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Themed collection 20th Anniversary of the CRSI: Celebrating Indian Chemistry in ChemComm

115 items - Showing page 1 of 2
Feature Article

The application of click chemistry for targeting quadruplex nucleic acids

The Cu(I)-catalyzed azide and alkyne 1,3-dipolar cycloaddition (CuAAC), commonly known as the “click reaction”, has emerged as a versatile synthetic tool for targeting quadruplex nucleic acids.

Graphical abstract: The application of click chemistry for targeting quadruplex nucleic acids
From the themed collection: ChemComm Advisory Board 2020
Feature Article

Transition-metal-catalyzed site-selective C7-functionalization of indoles: advancement and future prospects

The advancement and future prospects of transition-metal-catalyzed auxiliary assisted regioselective C7-functionalization of indoles/indolines are covered in this article.

Graphical abstract: Transition-metal-catalyzed site-selective C7-functionalization of indoles: advancement and future prospects
Feature Article

Oxidant-free oxidative gold catalysis: the new paradigm in cross-coupling reactions

The construction of C–C and C–X (X = hetero atom) bonds is the core aspect for the assembly of molecules. This feature article critically presents an overview of all the redox neutral cross-coupling reactions enabled by gold catalysis, which we believe would stimulate further research activities in this promising area.

Graphical abstract: Oxidant-free oxidative gold catalysis: the new paradigm in cross-coupling reactions
Feature Article

Recent advances in molecular rearrangements involving aryne intermediates

A concise account on the recent developments in molecular rearrangements proceeding via the aryne intermediate is presented thereby shedding light on the synthetic potential of this versatile intermediate.

Graphical abstract: Recent advances in molecular rearrangements involving aryne intermediates
Feature Article

Coordination polymer gels: soft metal–organic supramolecular materials and versatile applications

We review the recent advances in coordination polymer gels (CPGs) and highlight their applications in various fields as well.

Graphical abstract: Coordination polymer gels: soft metal–organic supramolecular materials and versatile applications
Feature Article

H-bonding directed programmed supramolecular assembly of naphthalene-diimide (NDI) derivatives

This review article presents a coherent description on H-bonding driven self-assembly of naphthalene-diimide (NDI) derivatives leading to the formation of wide-ranging functional soft materials.

Graphical abstract: H-bonding directed programmed supramolecular assembly of naphthalene-diimide (NDI) derivatives
Feature Article

Recent advances in purely organic phosphorescent materials

A review of the recent advancement in the development of organic materials with efficient phosphorescent emission features is presented.

Graphical abstract: Recent advances in purely organic phosphorescent materials
Feature Article

Synthesis of imidazo[1,2-a]pyridines: a decade update

Here we describe the various strategies for the synthesis of imidazo[1,2-a]pyridines.

Graphical abstract: Synthesis of imidazo[1,2-a]pyridines: a decade update
Feature Article

Cucurbit[n]uril based supramolecular assemblies: tunable physico-chemical properties and their prospects

The spectacular physico-chemical properties of cucurbituril-based supramolecular assemblies of chromophoric dyes are described in this Feature Article.

Graphical abstract: Cucurbit[n]uril based supramolecular assemblies: tunable physico-chemical properties and their prospects
Feature Article

Organocatalytic reactions in water

Organocatalysts have gained importance because of their green chemistry perspective and this would be largely fulfilled if the reaction solvent also possesses this property. Water satisfies this objective. We describe the reactions carried out by organocatalysts in water and the features required for the catalysts to work well in the solvent.

Graphical abstract: Organocatalytic reactions in water
Feature Article

Advances in gene delivery through molecular design of cationic lipids

This feature article discusses the structure–activity relation of various cationic liposomes for DNA/si-RNA/oligonucleotide delivery, the liposome and lipoplex characterizations, cytotoxicity and the biological applications of the lipid-based gene delivery vehicles.

Graphical abstract: Advances in gene delivery through molecular design of cationic lipids
Feature Article

Controlling chemistry with cations: photochemistry within zeolites

Similarly to enzymes, zeolites have well defined reaction cavities and active sites (cations) which could help steer reactions towards a single pathway.

Graphical abstract: Controlling chemistry with cations: photochemistry within zeolites
Communication

A molecular rotor-based turn-on sensor probe for amyloid fibrils in the extreme near-infrared region

An efficient fluorescence turn-on probe for amyloid detection in the extreme near-infrared region (>750 nm) with an exceptional red-shift in the absorption maxima is reported.

Graphical abstract: A molecular rotor-based turn-on sensor probe for amyloid fibrils in the extreme near-infrared region
Communication

Visible-light activated metal catalyst-free vicinal diazidation of olefins with sulfonium iodate(I) species

An unprecedented visible-light inspired selective radical azidation of unactivated and diverse substituted vinylarenes with sulfonium iodate reagent has been realized. The intrinsic radical process triggered by light tolerated several synthetically useful functionalities enabling two new carbon-hetero bonds which display distinctive late-stage applications to biologically relevant scaffolds.

Graphical abstract: Visible-light activated metal catalyst-free vicinal diazidation of olefins with sulfonium iodate(i) species
Communication

A squaraine-linked metalloporphyrin two-dimensional polymer photocatalyst for hydrogen and oxygen evolution reactions

A squaraine–metalloporphyrin 2D-polymer based bifunctional catalyst for photocatalytic water splitting.

Graphical abstract: A squaraine-linked metalloporphyrin two-dimensional polymer photocatalyst for hydrogen and oxygen evolution reactions
Communication

Facile reduction of carboxylic acids to primary alcohols under catalyst-free and solvent-free conditions

Hydroboration of carboxylic acids with pinacolborane (HBpin) to form the corresponding boronate ester under catalyst-free and solvent-free conditions is reported.

Graphical abstract: Facile reduction of carboxylic acids to primary alcohols under catalyst-free and solvent-free conditions
Communication

AgSbF6-Catalyzed anti-Markovnikov hydroboration of terminal alkynes

AgSbF6-Catalyzed atom-economic anti-Markovnikov hydroboration of terminal alkynes which works at room temperature under solvent-free condition to produce E-vinylboronates is developed.

Graphical abstract: AgSbF6-Catalyzed anti-Markovnikov hydroboration of terminal alkynes
Communication

Nickel-catalysed alkylation of C(sp3)–H bonds with alcohols: direct access to functionalised N-heteroaromatics

Base-metal catalysed C(sp3)–H bond functionalisation of methyl-N-heteroaromatics with alcohols is reported for the first time.

Graphical abstract: Nickel-catalysed alkylation of C(sp3)–H bonds with alcohols: direct access to functionalised N-heteroaromatics
Communication

Assisted π-stacking: a strong synergy between weak interactions

An exceptionally strong synergy between aromatic π-stacking and n → π* interaction.

Graphical abstract: Assisted π-stacking: a strong synergy between weak interactions
Communication

A new triazine based π-conjugated mesoporous 2D covalent organic framework: its in vitro anticancer activities

A new 2D π-conjugated COF, TrzCOF has been synthesized and it showed excellent anticancer activity for the colorectal carcinoma HCT-116 cell line.

Graphical abstract: A new triazine based π-conjugated mesoporous 2D covalent organic framework: its in vitro anticancer activities
Communication

Phosphine free Mn-complex catalysed dehydrogenative C–C and C–heteroatom bond formation: a sustainable approach to synthesize quinoxaline, pyrazine, benzothiazole and quinoline derivatives

Sustainable synthesis of quinoxalines, pyrazines, benzothiazoles and quinolines catalysed by a phosphine free Mn(I) complex.

Graphical abstract: Phosphine free Mn-complex catalysed dehydrogenative C–C and C–heteroatom bond formation: a sustainable approach to synthesize quinoxaline, pyrazine, benzothiazole and quinoline derivatives
Communication

A dual-analyte probe: hypoxia activated nitric oxide detection with phototriggered drug release ability

A new strategy for the detection of hypoxia and NO succeeded by photocontrolled delivery of an anticancer agent has been demonstrated.

Graphical abstract: A dual-analyte probe: hypoxia activated nitric oxide detection with phototriggered drug release ability
Communication

Single-site labeling of lysine in proteins through a metal-free multicomponent approach

Precise protein engineering is achieved using a metal-free multicomponent approach. It enables the installation of probes and the synthesis of antibody–drug conjugates.

Graphical abstract: Single-site labeling of lysine in proteins through a metal-free multicomponent approach
Communication

Rapid synthesis of polysubstituted phenanthridines from simple aliphatic/aromatic nitriles and iodo arenes via Pd(II) catalyzed domino C–C/C–C/C–N bond formation

An efficient method has been developed for the synthesis of polysubstituted phenanthridiene via palladium catalyzed nucleophilic addition of aryl iodides to nitriles followed by dual C–H activation.

Graphical abstract: Rapid synthesis of polysubstituted phenanthridines from simple aliphatic/aromatic nitriles and iodo arenes via Pd(ii) catalyzed domino C–C/C–C/C–N bond formation
Communication

Visible light mediated desilylative C(sp2)–C(sp2) cross-coupling reactions of arylsilanes with aryldiazonium salts under Au(I)/Au(III) catalysis

Desilylative C(sp2)–C(sp2) cross-coupling reactions of arylsilanes with aryldiazonium salts under Au(I)/photoredox catalysis have been reported.

Graphical abstract: Visible light mediated desilylative C(sp2)–C(sp2) cross-coupling reactions of arylsilanes with aryldiazonium salts under Au(i)/Au(iii) catalysis
Communication

Synthesis and luminescence of Mn-doped Cs2AgInCl6 double perovskites

Mn2+ has been doped in a wide bandgap Cs2AgInCl6 double perovskite to emit light in the visible region.

Graphical abstract: Synthesis and luminescence of Mn-doped Cs2AgInCl6 double perovskites
Communication

Metallophthalocyanine-based redox active metal–organic conjugated microporous polymers for OER catalysis

Two donor–acceptor redox-active metal–organic conjugated porous polymers (CoCMP and ZnCMP) have been synthesized and CoCMP has been found to be an efficient catalyst for water oxidation.

Graphical abstract: Metallophthalocyanine-based redox active metal–organic conjugated microporous polymers for OER catalysis
Communication

Copper-mediated regioselective C–H etherification of naphthylamides with arylboronic acids using water as an oxygen source

Copper-mediated etherification of naphthylamides with arylboronic acid is presented. The H2O18 labelling experiment reveals the incorporation of the ether oxygen from water. The kinetic isotope study suggests that C–H activation is the rate determining step.

Graphical abstract: Copper-mediated regioselective C–H etherification of naphthylamides with arylboronic acids using water as an oxygen source
Communication

Light triggered uncaging of hydrogen sulfide (H2S) with real-time monitoring

A light activated hydrogen sulfide (H2S) donor based on a p-hydroxyphenacyl (pHP) phototrigger has been developed for the controlled release of H2S with real-time monitoring ability.

Graphical abstract: Light triggered uncaging of hydrogen sulfide (H2S) with real-time monitoring
Communication

T and V-shaped donor–acceptor–donor molecules involving pyridoquinoxaline: large Stokes shift, environment-sensitive tunable emission and temperature-induced fluorochromism

The critical role of molecular shapes in the environment-sensitive and temperature-induced emission properties of pyridoquinoxaline-based donor–acceptor–donor molecules was demonstrated.

Graphical abstract: T and V-shaped donor–acceptor–donor molecules involving pyridoquinoxaline: large Stokes shift, environment-sensitive tunable emission and temperature-induced fluorochromism
Communication

Controllable supramolecular polymerization via a chain-growth mechanism

A naphthalene-diimide appended carboxylic acid either spontaneously self-assembles (P) by an open-chain H-bonding or can be arrested in an intra-molecularly H-bonded monomeric state (M) depending on the sample preparation method. Living supramoleular polymerization of M can be initiated by a seed, generated from P.

Graphical abstract: Controllable supramolecular polymerization via a chain-growth mechanism
Communication

A nickel-catalyzed anti-carbometallative cyclization of alkyne–azides with organoboronic acids: synthesis of 2,3-diarylquinolines

An anti-carbonickelative cyclization via reversible alkenylnickel E/Z isomerization of 2-azido phenyl propargyl alcohols with aryl boronic acids is achieved using Ni(acac)2 as the catalyst to access 2,3-diaryl quinolines.

Graphical abstract: A nickel-catalyzed anti-carbometallative cyclization of alkyne–azides with organoboronic acids: synthesis of 2,3-diarylquinolines
Communication

Cobalt-catalyzed acceptorless dehydrogenative coupling of aminoalcohols with alcohols: direct access to pyrrole, pyridine and pyrazine derivatives

A molecularly defined SNS-cobalt(II) catalyst for the acceptorless dehydrogenative coupling (ADC) of unprotected amino alcohols with secondary alcohols leading to pyrrole and pyridine derivatives is reported.

Graphical abstract: Cobalt-catalyzed acceptorless dehydrogenative coupling of aminoalcohols with alcohols: direct access to pyrrole, pyridine and pyrazine derivatives
Open Access Communication

Cobalt(III) catalyzed C-8 selective C–H and C–O coupling of quinoline N-oxide with internal alkynes via C–H activation and oxygen atom transfer

An efficient, scalable, atom-economical, regio-selective air stable Cp*Co(III) catalyzed C–H and C–O coupling via a C–H activation/oxygen atom transfer reaction of quinoline N-oxide and an internal alkyne is reported.

Graphical abstract: Cobalt(iii) catalyzed C-8 selective C–H and C–O coupling of quinoline N-oxide with internal alkynes via C–H activation and oxygen atom transfer
Communication

A quick Chan–Lam C–N and C–S cross coupling at room temperature in the presence of square pyramidal [Cu(DMAP)4I]I as a catalyst

A rapid and efficient protocol for C–N and C–S cross coupling has been developed using a new square pyramidal copper complex, [Cu(DMAP)4I]I.

Graphical abstract: A quick Chan–Lam C–N and C–S cross coupling at room temperature in the presence of square pyramidal [Cu(DMAP)4I]I as a catalyst
Communication

A TICT based NIR-fluorescent probe for human serum albumin: a pre-clinical diagnosis in blood serum

A TICT based NIR-fluorescent probe 3 has been designed and synthesized which selectively detects HSA with fluorescence enhancement in blood plasma with a detection limit of 11 nM among the various proteins, nucleotides and thiols tested.

Graphical abstract: A TICT based NIR-fluorescent probe for human serum albumin: a pre-clinical diagnosis in blood serum
Communication

Selective and broad spectrum amphiphilic small molecules to combat bacterial resistance and eradicate biofilms

Membrane-active amphiphilic small molecules selectively kill bacteria over mammalian cells, disperse preformed biofilms and reduce bacterial resistance development.

Graphical abstract: Selective and broad spectrum amphiphilic small molecules to combat bacterial resistance and eradicate biofilms
Communication

Highly selective detection of palladium and picric acid by a luminescent MOF: a dual functional fluorescent sensor

A new luminescent metal–organic framework has been synthesized and explored as a dual functional fluorescent sensor to detect picric acid and Pd2+.

Graphical abstract: Highly selective detection of palladium and picric acid by a luminescent MOF: a dual functional fluorescent sensor
Communication

A dual colorimetric-ratiometric fluorescent probe NAP-3 for selective detection and imaging of endogenous labile iron(III) pools in C. elegans

The first dual colorimetric and ratiometric fluorescent probe NAP-3 for selective visualization of labile iron(III) pools in Caenorhabditis elegans is reported.

Graphical abstract: A dual colorimetric-ratiometric fluorescent probe NAP-3 for selective detection and imaging of endogenous labile iron(iii) pools in C. elegans
Open Access Communication

Synthesis of polysubstituted cyclopenta[b]indoles via relay gold(I)/Brønsted acid catalysis

A relay gold(I)/Brønsted acid catalyzed one-pot cyclopentannulation of indoles has been achieved starting from easily accessible 1-(2-aminophenyl)prop-2-ynols and readily available 1,3-dicarbonyls.

Graphical abstract: Synthesis of polysubstituted cyclopenta[b]indoles via relay gold(i)/Brønsted acid catalysis
Communication

Sulphur promoted C(sp3)–C(sp2) cross dehydrogenative cyclisation of acetophenone hydrazones with aldehydes: efficient synthesis of 3,4,5-trisubstituted 1H-pyrazoles

The first-time sulfur-promoted CDC approach involving acetophenone hydrazones and aldehydes has been developed for the synthesis of substituted pyrazoles.

Graphical abstract: Sulphur promoted C(sp3)–C(sp2) cross dehydrogenative cyclisation of acetophenone hydrazones with aldehydes: efficient synthesis of 3,4,5-trisubstituted 1H-pyrazoles
Communication

Exploring a unique reactivity of N-heterocyclic carbenes (NHC) in rhodium(III)-catalyzed intermolecular C–H activation/annulation

A unique directing-cum-functionalizing role of N-heterocyclic carbene (NHC) ligands is disclosed in a RhIII-catalyzed intermolecular annulation procedure.

Graphical abstract: Exploring a unique reactivity of N-heterocyclic carbenes (NHC) in rhodium(iii)-catalyzed intermolecular C–H activation/annulation
Communication

Reversible mechanochromism and enhanced AIE in tetraphenylethene substituted phenanthroimidazoles

The high color contrast reversible mechanochromic and aggregation induced emissive tetraphenylethene substituted phenanthroimidazoles are reported. The incorporation of a cyano group into phenanthroimidazole (3b) improves thermal stability and enhances the AIE property.

Graphical abstract: Reversible mechanochromism and enhanced AIE in tetraphenylethene substituted phenanthroimidazoles
Communication

Progressive acylation of pyrene engineers solid state packing and colour via C–H⋯H–C, C–H⋯O and π–π interactions

Sandwich herringbone–herringbone-brickwork-columnar crystal ordering, achieved through successive Friedel–Crafts acylation of pyrene, forms the basis for diverse solid-state colouring and blue–green–orange fluorescent crystals.

Graphical abstract: Progressive acylation of pyrene engineers solid state packing and colour via C–H⋯H–C, C–H⋯O and π–π interactions
Communication

Cd(II) based metal–organic framework behaving as a Schottky barrier diode

A metal–organic framework of Cd(II) shows high electrical conductivity and behaves as a Schottky barrier diode in an ITO/Cd-MOF (1)/Al structure.

Graphical abstract: Cd(ii) based metal–organic framework behaving as a Schottky barrier diode
Communication

Multi-stimuli responsive self-healing metallo-hydrogels: tuning of the gel recovery property

Self-healable, multi-stimuli responsive metallo-hydrogels based on a series of tyrosine containing amphiphiles have been discovered. Formation of these metallo-gels is highly selective to Ni2+ ions. Moreover, the self-healing property can be modulated by varying the chain length of the corresponding gelator amphiphiles.

Graphical abstract: Multi-stimuli responsive self-healing metallo-hydrogels: tuning of the gel recovery property
Communication

Triple action polymer probe: carboxylic distilbene fluorescent polymer chemosensor for temperature, metal-ions and biomolecules

Triple action polymer: a triple-action fluorescent polymer probe is developed for sensing temperature, detection of copper(II) ions and biological species – amino acids.

Graphical abstract: Triple action polymer probe: carboxylic distilbene fluorescent polymer chemosensor for temperature, metal-ions and biomolecules
Communication

Experimental evidence for ‘carbon bonding’ in the solid state from charge density analysis

The existence of ‘carbon bonding’, a hitherto unexplored interaction type, has been proved in the solid state via experimental charge density analysis.

Graphical abstract: Experimental evidence for ‘carbon bonding’ in the solid state from charge density analysis
Communication

Photoresponsive quinoline tethered fluorescent carbon dots for regulated anticancer drug delivery

A photoresponsive nano drug delivery system (DDS) was constructed using two new ingredients: fluorescent carbon dots and a quinoline based phototrigger.

Graphical abstract: Photoresponsive quinoline tethered fluorescent carbon dots for regulated anticancer drug delivery
Communication

Label-free fluorimetric detection of histone using quaternized carbon dot–DNA nanobiohybrid

Quaternized carbon dot–DNA based fluorimetric histone sensing technique is developed which is simple, rapid and specific in detecting as little as 0.2 ng mL−1 histone.

Graphical abstract: Label-free fluorimetric detection of histone using quaternized carbon dot–DNA nanobiohybrid
Communication

A tetrastable naphthalenediimide: anion induced charge transfer, single and double electron transfer for combinational logic gates

We have realized tetrastability in a NDI molecule and achieved a set of combinational logic gates by combining thermal SET, DET and deprotonation reactions.

Graphical abstract: A tetrastable naphthalenediimide: anion induced charge transfer, single and double electron transfer for combinational logic gates
Communication

Synthesis of pseudo-indoxyl derivatives via sequential Cu-catalyzed SNAr and Smalley cyclization

ortho-Bromophenyl sec-alkyl/sec-alkenyl ketones, on reaction with sodium azide in the presence of copper salts, undergo sequential SNAr followed by Smalley cyclization to provide pseudo-indoxyl derivatives.

Graphical abstract: Synthesis of pseudo-indoxyl derivatives via sequential Cu-catalyzed SNAr and Smalley cyclization
Communication

A charge transfer single crystal field effect transistor operating at low voltages

A single crystal of a donor–acceptor system, coronene tetracarboxylate and a methyl viologen derivative, acting as a channel element in a FET operating at nominal voltages with a hole mobility of ∼0.5 cm2 V−1 s−1 is described.

Graphical abstract: A charge transfer single crystal field effect transistor operating at low voltages
Communication

Ru(II)-catalyzed intermolecular ortho-C–H amidation of aromatic ketones with sulfonyl azides

Ru(II)-catalyzed intermolecular ortho-C–H amidation of weakly coordinating aromatic ketones with sulfonyl azides is reported.

Graphical abstract: Ru(ii)-catalyzed intermolecular ortho-C–H amidation of aromatic ketones with sulfonyl azides
Communication

Easy access to benzylic esters directly from alkyl benzenes under metal-free conditions

An efficient synthesis of benzyl esters have been achieved via a sp3 C–H bond activation of alkylbenzene using Bu4N+I/TBHP.

Graphical abstract: Easy access to benzylic esters directly from alkyl benzenes under metal-free conditions
Communication

Enantioselective cooperative triple catalysis: unique roles of Au(I)/amine/chiral Brønsted acid catalysts in the addition/cycloisomerization/transfer hydrogenation cascade

An enantioselective cooperative process involving the concerted/simultaneous action of three different catalysts i.e. Au(I)/amine/chiral Brønsted acid catalysts has been realized for the synthesis of 2-substituted tetrahydroquinolines from 2-aminobenzaldehydes and terminal alkynes.

Graphical abstract: Enantioselective cooperative triple catalysis: unique roles of Au(i)/amine/chiral Brønsted acid catalysts in the addition/cycloisomerization/transfer hydrogenation cascade
Communication

Molecular recognition driven self-assembly and chiral induction in naphthalene diimide amphiphiles

Naphthalenediimide amphiphiles functionalized with dipicolylethylenediamine self-assemble with tunable chirality upon binding of adenosine phosphates and competitive binding induces dynamic helix reversal.

Graphical abstract: Molecular recognition driven self-assembly and chiral induction in naphthalene diimide amphiphiles
Communication

The direct reductive amination of electron-deficient amines with aldehydes: the unique reactivity of the Re2O7 catalyst

An unprecedented direct reductive amination of electron-deficient amines such as Cbz-, Boc-, EtOCO-, Fmoc-, Bz-, ArSO2-, Ar2PO-, etc. protected amines with aldehydes is achieved using the Re2O7 catalyst and silanes as the hydride source. Excellent regioselective mono-alkylation and chemoselective reductive-amination over reduction were observed.

Graphical abstract: The direct reductive amination of electron-deficient amines with aldehydes: the unique reactivity of the Re2O7 catalyst
Communication

Highly selective reduction of nitroarenes by iron(0) nanoparticles in water

Highly selective reduction of nitroarenes has been achieved using iron metal nanoparticles in water at room temperature. A wide spectrum of reducible functionalities remained inert under the reaction conditions and during the reaction a change in shape of Fe nanoparticles was observed.

Graphical abstract: Highly selective reduction of nitroarenes by iron(0) nanoparticles in water
Communication

Is a radical bridge a route to strong exchange interactions in lanthanide complexes? A computational examination

The origin of very strong antiferromagnetic exchange in N23− bridged complex, [{[(Me3Si)2N]2Gd(THF)}2(μ-η22-N2)] has been probed using DFT combined with MO and NBO analysis.

Graphical abstract: Is a radical bridge a route to strong exchange interactions in lanthanide complexes? A computational examination
Communication

Selective four electron reduction of O2 by an iron porphyrin electrocatalyst under fast and slow electron fluxes

An iron porphyrin catalyst with four electron donor groups and a distal hydrogen bonding network specifically reduces O2 by four electrons under both fast and slow electron fluxes at pH 7.

Graphical abstract: Selective four electron reduction of O2 by an iron porphyrin electrocatalyst under fast and slow electron fluxes
Communication

High temperature nucleation and growth of glutathione protected ∼Ag75 clusters

We report high temperature solution state synthesis of glutathione protected atomically precise silver clusters, with formic acid as a reducing agent, and a tentative formula of Ag75(SG)40 has been assigned.

Graphical abstract: High temperature nucleation and growth of glutathione protected ∼Ag75 clusters
Communication

An iron catalyzed regioselective oxidation of terminal alkenes to aldehydes

Fe(BF4)2·6H2O efficiently catalyzes the formation of aldehydes from terminal alkenes with absolute anti-Markovnikov regioselectivity under benign reaction conditions.

Graphical abstract: An iron catalyzed regioselective oxidation of terminal alkenes to aldehydes
Communication

A mannitol based phase selective supergelator offers a simple, viable and greener method to combat marine oil spills

Though phase selective organogelators (PSOGs) are thought to be useful for oil spill recovery, all known PSOGs require a water-miscible carrier solvent for their introduction. Providing a simple, cheap, green and practical solution to the problem of oil spills, we report a nontoxic super-PSOG that can be sprayed aerially in a carrier solvent destined to get co-congealed with the oil.

Graphical abstract: A mannitol based phase selective supergelator offers a simple, viable and greener method to combat marine oil spills
Communication

One pot glucose detection by [FeIII(biuret-amide)] immobilized on mesoporous silica nanoparticles: an efficient HRP mimic

Iron complex [FeIII(biuret-amide)] immobilized onto mesoporous silica nanoparticles functions as an efficient peroxidase mimic and was successfully used for the quantitative determination of hydrogen peroxide and glucose.

Graphical abstract: One pot glucose detection by [FeIII(biuret-amide)] immobilized on mesoporous silica nanoparticles: an efficient HRP mimic
Communication

Catalytic enantioselective construction of quaternary stereocenters by direct vinylogous Michael addition of deconjugated butenolides to nitroolefins

A direct vinylogous Michael reaction of γ-substituted deconjugated butenolides with nitroolefins has been developed for the synthesis of densely functionalized products with contiguous quaternary and tertiary stereocenters.

Graphical abstract: Catalytic enantioselective construction of quaternary stereocenters by direct vinylogous Michael addition of deconjugated butenolides to nitroolefins
Communication

Fluoranthene based fluorescent chemosensors for detection of explosive nitroaromatics

A fluoranthene based fluorescent chemosensor for the detection of picric acid at the parts per billion level was evaluated. Static fluorescence quenching was the dominant process by intercalative π–π interaction between fluoranthene and nitroaromatics.

Graphical abstract: Fluoranthene based fluorescent chemosensors for detection of explosive nitroaromatics
Communication

Alkali earth metal (Ca, Sr, Ba) based thermostable metal–organic frameworks (MOFs) for proton conduction

Three new alkaline earth metal based MOFs have been synthesized by using 4,4′-sulfobisbenzoic acid (SBBA) and alkaline earth metal salts M(NO3)2, M = Ca, Sr, Ba. These MOFs exhibit interesting structural diversity, variable chemical stability as well as proton conductivity.

Graphical abstract: Alkali earth metal (Ca, Sr, Ba) based thermostable metal–organic frameworks (MOFs) for proton conduction
Communication

A chromenoquinoline-based fluorescent off–onthiol probe for bioimaging

A new chromenoquinoline-based thiol probe is described. The probe displayed 223-fold enhancement in fluorescence intensity upon sensing cysteine. The cell permeability and the imaging of thiols in living cells are demonstrated.

Graphical abstract: A chromenoquinoline-based fluorescent off–onthiol probe for bioimaging
Communication

Regioselective synthesis of isocoumarins by ruthenium-catalyzed aerobic oxidative cyclization of aromatic acids with alkynes

Regioselective oxidative cyclization of aromatic acids with alkynes in the presence of a ruthenium catalyst providing isocoumarin derivatives was investigated.

Graphical abstract: Regioselective synthesis of isocoumarins by ruthenium-catalyzed aerobic oxidative cyclization of aromatic acids with alkynes
115 items - Showing page 1 of 2

About this collection

The Chemical Research Society of India (CRSI) was established in 1999 and currently represents thousands of Indian chemists who are actively engaged in the pedagogy, research, and promotion of Chemistry. The main objectives of this Society are to nurture, recognize, and encourage talent in the chemical sciences and to expand the overall quality of chemical education at all levels in India.

The CRSI and the Royal Society of Chemistry (RSC) have a decade long collaboration. As part of this, the CRSI organizes annual CRSI-RSC joint symposia along with the National Symposium of Chemistry. These meetings collect expert speakers from both the UK and India, with the 13th meeting in this series being recently held at IIT Madras, Chennai, on February 7, 2019.

ChemComm is the Royal Society of Chemistry’s most cited general chemistry journal, and it has an impeccable tradition of publishing exciting new research findings of exceptional significance across the sub-disciplines of the chemical sciences. It is a much preferred destination for Indian chemists to showcase their best results and as a result the annual publications in ChemComm from India have more than tripled in the 10 years of the CRSI-RSC collaboration. It is also worthy to note that there are two Associate Editors from India on the Editorial Board of ChemComm.

As a tribute to the strong cooperation between CRSI and RSC, we are very pleased to present a special ChemComm web collection to commemorate the 20th Anniversary of the CRSI. The papers showcased in this web collection are a representation of the wide authorship from India and span a broad spectrum of research areas. We are grateful to ChemComm for their enthusiastic support in bringing out this special collection and for their kind offer to serve as Guest Editors.

We hope that the CRSI-RSC cooperation will continue to flourish for decades to come and reach new heights of professional partnership and knowledge dissemination in the chemical sciences.

Sandeep Verma IIT Kanpur

Govindasamy Mugesh IISc Bangalore

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