Themed collection 2017 Frontier and Perspective articles
Development of luminescent sensors based on transition metal complexes for the detection of nitroexplosives
The detection of nitro explosives by transition metal complexes/metallosupramolecules with their designs and sensing mechanisms are comprehensively reviewed.
Controlled optical characteristics of lanthanide doped upconversion nanoparticles for emerging applications
We highlight the recent advances of upconversion nanoparticles (UCNPs) in the field of emerging applications, such as dye sensitized UCNPs, photogene regulation, anti-counterfeiting, and super-resolution imaging. Finally, we discuss the challenges and opportunities in the development of these new applications.
An unexpected journey from highly tunable phosphorescence to novel photochemistry of 1,2,3-triazole-based complexes
Complexes containing the humble 1,2,3-triazole ring moiety have enabled access to highly tunable with efficient phosphorescence but have also in facilitated access to novel photoreactive excited states yielding highly unusual photochemical reactivity.
Recent development of luminescent rhenium(I) tricarbonyl polypyridine complexes as cellular imaging reagents, anticancer drugs, and antibacterial agents
This Perspective summarizes recent advances in the biological applications of luminescent rhenium(I) tricarbonyl polypyridine complexes.
The growing importance of crystalline molecular flasks and the crystalline sponge method
Recent advances in crystalline molecular flasks and the crystalline sponge method are reviewed and discussed.
A chemical approach to perovskite solar cells: control of electron-transporting mesoporous TiO2 and utilization of nanocarbon materials
This Perspective highlights recent chemical approaches to perovskite solar cells, including the control of electron-transporting mesoporous TiO2 and the utilization of nanocarbon materials.
Catalytic applications of small bite-angle diphosphorus ligands with single-atom linkers
Diphosphorus ligands connected by a single atom (R2PEPR2; E = CR2, CCR2 and NR) give chelating ligands with very small bite-angles as well as enable access to other properties such as bridging modes and hemilability. This Perspective reviews the properties of diphosphorus ligands featuring a single-atom linker and their applications in catalysis, including transformations of alkenes and transfer hydrogenation and hydrogen-borrowing reactions.
Peptide-based fibrin-targeting probes for thrombus imaging
Herein we provide an overview of peptide-based fibrin-targeted probes developed for molecular imaging of thrombosis by different modalities with particular emphasis for nuclear imaging techniques.
Fluoroquinolones as imaging agents for bacterial infection
Three ways to radioactively label fluoroquinolones are available, thereby creating multiple options for developing a diagnostic for deep-seated bacterial infection.
Radionuclides in oncology clinical practice – review of the literature
Radionuclide therapy is a promising type of targeted therapy for cancer and its use is becoming more common in several types of malignant tumors.
Metal complexes for multimodal imaging of misfolded protein-related diseases
Aggregation of misfolded proteins and progressive polymerization of otherwise soluble proteins is a common hallmark of several highly debilitating and increasingly prevalent diseases, including amyotrophic lateral sclerosis, cerebral amyloid angiopathy, type II diabetes and Parkinson's, Huntington's and Alzheimer's diseases.
Technetium-99m based small molecule radiopharmaceuticals and radiotracers targeting inflammation and infection
99mTc-labeled antibiotics, antifungal drugs, antimicrobial peptides and COX-2 inhibitors are comprehensively reviewed.
Synthesis, structure and catalysis of organometallic porphyrin–pincer hybrids: a review
This review focuses on the comprehensive developments in the field of porphyrin–pincer hybrid organometallic chemistry.
Bis(amidinato)- and bis(guanidinato)silylenes and silylenes with one sterically demanding amidinato or guanidinato ligand: synthesis and reactivity
Silylenes 1–4 have great synthetic potential for the synthesis of higher coordinate silicon(II) and silicon(IV) complexes with unprecedented structural motifs.
Embedding heteroatoms: an effective approach to create porphyrin-based functional materials
Incorporation of planarized heteroatom(s) onto the porphyrin periphery is an effective approach to create porphyrin-based functional materials. This review aims to cover a variety of synthetic methodologies that have been developed for the construction of heteroatom-embedded porphyrins as well as their structure–property relationships and possible applications in various research fields.
Mutual interference of Cu and Zn ions in Alzheimer's disease: perspectives at the molecular level
While metal ions such as copper and zinc are essential in biology, they are also linked to several amyloid-related diseases, including Alzheimer's disease (AD).
Advances in the preparation of highly selective nanocatalysts for the semi-hydrogenation of alkynes using colloidal approaches
The present review describes the contributions and perspectives in the field of the selective hydrogenation of alkynes involving the utilization of colloidal methodologies.
Controlling ligand binding for tunable and switchable catalysis: cation-modulated hemilability in pincer-crown ether ligands
The development of cation-responsive “pincer-crown ether” complexes featuring tunable hemilability is reviewed in the context of switchable and tunable catalysis.
Aggregation induced emission of gold(I) complexes in water or water mixtures
Gold(I) complexes are an expanding area of investigation due to the possibility of giving rise to supramolecular aggregates with particular morphologies that can be modulated together with their luminescent properties.
A Perspective – can copper complexes be developed as a novel class of therapeutics?
Copper complexes could define a promising new class of therapeutics, provided that there is a suitable way in which to formulate them for pharmaceutical use.
Development of non-oxide semiconductors as light harvesting materials in photocatalytic and photoelectrochemical water splitting
This perspective summarizes recent advances in the use of (oxy)nitrides and oxysulfides as light harvesting semiconductors for photocatalytic or photoelectrochemical water splitting.
Synthetic methodologies and spatial organization of metal chelate dendrimers and star and hyperbranched polymers
The synthetic methodologies, physico-chemical peculiarities, properties, and structure of metal chelate dendrimers and star and hyperbranched polymers are considered.
Chalcogen bonding in synthesis, catalysis and design of materials
This Perspective highlights the use of chalcogen bonding as a versatile synthon for the synthesis, catalysis and construction of both organic and inorganic materials.
Recent advances using [Cp*Co(CO)I2] catalysts as a powerful tool for C–H functionalisation
This perspective highlights recent applications of Cp*CoIII catalysts in C–H functionalisation protocols, exemplifying both terminal couplings and heterocycle formation.
Directed evolution of the periodic table: probing the electronic structure of late actinides
This work explores the most recent chemistry of berkelium and californium and how it fits into trends from the periodic table.
Intrinsic 37/35Cl and 18/16O isotope shifts in 195Pt and 103Rh NMR of purely inorganic Pt and Rh complexes as unique spectroscopic fingerprints for unambiguous assignment of structure
The intrinsic 1ΔM(37/35Cl) and 1ΔM(18/16O) isotope shifts (M = 195Pt or 103Rh) visible in the NMR peak profile, of the [PtCln(H2O)6−n]4−n, [PtCl6−n(OH)n]2− (n = 1−6), and [RhCln(H2O)6−n]3−n (n = 3−6) complexes in aqueous solution at 293 K, unambiguously characterize their structures.
Photofunctional multinuclear rhenium(I) diimine carbonyl complexes
In this review, we summarize the synthesis, photophysical properties and applications of a wide variety of multinuclear complexes consisting of Re(I)-diimine-carbonyl units.
Synthesis of MOFs: a personal view on rationalisation, application and exploration
This perspective highlights some studies and insights in the synthesis of metal–organic frameworks (MOFs) in a brief and comprehensive manner and summarizes future challenges and developments.
Generalization of the Tolman electronic parameter: the metal–ligand electronic parameter and the intrinsic strength of the metal–ligand bond
The MLEP is a new, generally applicable measure of the metal–ligand bond strength based on vibrational spectroscopy, replacing the TEP.
Multidentate silyl ligands in transition metal chemistry
This review presents and discusses the use of multidentate silanide ligands in transition metal chemistry depending on their ligand architecture.
Disilametallacyclic chemistry for efficient catalysis
Disilametallacyclic species of late transition metals behave as key intermediates for efficient catalytic reactions proceeding through new mechanisms.
Photochemical reactions of metal complexes in the solid state
Solid-state reactivity and structural transformation in discrete metal complexes, organometallic compounds, metallo-macrocycles and cages driven by photochemical methods are discussed.
A survey of the different roles of polyoxometalates in their interaction with amino acids, peptides and proteins
This perspective provides a comprehensive description of the different roles of POMs in their interaction with relevant biological molecules.
Magnesium porphyrins with relevance to chlorophylls
A review on the chemistry of magnesium porphyrins, which have significant interest owing to the relevance to chlorophyll molecules, is presented with emphasis on bicarbonate adducts of magnesium porphyrin and chlorophyll.
Templated and template-free fabrication strategies for zero-dimensional hollow MOF superstructures
Fabrication strategies for hollow MOF superstructures are classified based on the existence of external templates and the types and properties of templates, and their advantages and disadvantages are reviewed.
Metal ion binding by laterally non-symmetric macrobicyclic oxa–aza cryptands
Laterally non-symmetric oxa–aza cryptands are versatile supramolecular synthons.
One-dimensional complexes extended by unbridged metal–metal bonds based on a HOMO–LUMO interaction at the dz2 orbital between platinum and heterometal atoms
Crystal and electronic structures of seventeen heterometallic one-dimensional chain complexes are reviewed and discussed.
The synthesis, stability and catalytic reactivity of borocations are described in the context of their reaction in frustrated Lewis pair-type processes.
β-Diketiminate complexes of the first row transition metals: applications in catalysis
Although β-diketiminate complexes have been widely explored in stoichiometric studies, their use as catalysts is largely underdeveloped.
Thioborates: potential nonlinear optical materials with rich structural chemistry
This review summarizes thioborates and their structural motifs ranging from zero-dimension to three-dimension. The most commonly observed building units of these examples are planar-triangle BS3 and tetrahedron BS4. Thioborates possess advantages with respect to their structural diversity, optical nonlinearity, laser-induced damage threshold and transparency range, and represent potentially a rich supply of new nonlinear optical materials.
Photoisomerization of ruthenium(II) aquo complexes: mechanistic insights and application development
The perspective article highlights a new strategic synthesis of dinuclear ruthenium(II) complexes acting as active water oxidation catalysts and also reports the development of unique visible-light-responsive giant vesicles, both of which are achieved based on photoisomerization.
Functional metallosupramolecular architectures using 1,2,3-triazole ligands: it's as easy as 1,2,3 “click”
Self-assembled metallosupramolecular architectures generated using “click” ligands have become an increasingly popular area of inorganic chemistry.
Luminescent aryl–group eleven metal complexes
This perspective highlights the recent developments in the study of the photoluminescent properties of aryl–group eleven complexes. Related properties and applications such as electroluminescence, triboluminescence, mechanochromism, luminescent liquid crystals, low molecular weight gelators and photocatalysts are also discussed.
Actinide ion extraction using room temperature ionic liquids: opportunities and challenges for nuclear fuel cycle applications
Studies on the extraction of actinide ions from radioactive wastes have great relevance in nuclear fuel cycle activities, mainly in the back end processes focused on reprocessing and waste management.
Insights into the formation of inorganic heterocycles via cyclocondensation of primary amines with group 15 and 16 halides
The cyclocondensation reaction of primary amines with pnictogen and chalcogen halides is a major preparative route for the generation of inorganic heterocycles involving a Group 15 or 16 element linked to nitrogen.
Hydroxo-bridged diiron(III) and dimanganese(III) bisporphyrins: modulation of metal spins by counter anions
A brief account has been presented on how the inter-heme interactions in μ-hydroxo diiron(III) bisporphyrins and counter anions can induce significant change in the structure and properties including the iron spin state without affecting the overall topology.
A unified ligand electronic parameter based on 13C NMR spectroscopy of N-heterocyclic carbene complexes
The donor strengths of various mono- and bidentate ligands can be easily compared on a unified 13C NMR spectroscopic scale.
Luminescent rare-earth-based MOFs as optical sensors
This perspective article highlights the basics and applications of luminescence-based sensing of hazardous chemicals, pH, and temperature using rare-earth-based metal–organic frameworks.
Synthesis of vanadium–alkylidene complexes and their use as catalysts for ring opening metathesis polymerization
Synthesis of vanadium–alkylidene complexes and some reactions have been reviewed; highly active, thermally robust, cis specific ROMP of cyclic olefins has been attained by ligand modification in (imido)vanadium(V)–alkylidene catalysts.
Engineering transition metal phosphide nanomaterials as highly active electrocatalysts for water splitting
This Frontier article will highlight recent advances in engineering the composition and structure of TMPs for higher water electrolysis performances.
Metal–organic frameworks for radionuclide sequestration from aqueous solution: a brief overview and outlook
137Cs, 90Sr, 238U, 79Se, and 99Tc sequestrations from aqueous solution by metal–organic framework materials are summarized in this Frontier article.
Sub-nanometre metal clusters for catalytic carbon–carbon and carbon–heteroatom cross-coupling reactions
Potential new catalysts for C–C and C–Het cross-coupling bond-forming reactions.
Noncentrosymmetric (NCS) solid solutions: elucidating the structure–nonlinear optical (NLO) property relationship and beyond
A series of noncentrosymmetric (NCS) solid solutions and their structure–nonlinear optical property relationship are introduced for designing novel NCS materials more systematically.
Luminescent complexes made from chelating isocyanide ligands and earth-abundant metals
Cr(0), Mo(0), and Ni(0) complexes with diisocyanide ligands have recently been discovered as isoelectronic analogues of well-known Fe(II), Ru(II), and Cu(I) complexes.
Controlled self-sorting in self-assembled cage complexes
The construction of complex molecular machines and devices requires control of sub-component self-assembly. Varying the size or angle, and introducing secondary interactions into the backbone allows selective self-sorting between similar sub-components in metal–ligand cage complexes.
99mTc-3Cboroxime: a novel 99mTc(III) complex [99mTcCl(CDO)(CDOH)2B-3C] (CDOH2 = cyclohexanedione dioxime; 3C-B(OH)2 = 3-(carbamoylphenyl)boronic acid) with high heart uptake and long myocardial retention
In this study, we found that 99mTc-3Cboroxime has the myocardial retention longer than that of 99mTc-Teboroxime, and its heart washout kinetics follows a regressive linear relationship over the 60 min period.
Recent advances in structural studies of heterometallic uranyl-containing coordination polymers and polynuclear closed species
A survey is given of recent original structural results on heterometallic species incorporating uranyl ions, particularly with carboxylate ligands.
Titanium redox catalysis: insights and applications of an earth-abundant base metal
π-Acid ancillary ligands, reactants, or products can stabilize reactive low valent Ti intermediates through backbonding, and present opportunities for the development of vast new classes of Ti-catalyzed redox reactions with practical applications.
Alkynyl-protected gold and gold–silver nanoclusters
Alkynyl-protected coinage metal nanoclusters show new structural features and have interesting luminescence properties and catalytic behavior.
Recent developments in the field of photoluminescent organically modified cyclosiloxanes
A brief overview of organically modified cyclosiloxanes with a special focus on their synthesis and photophysical properties is presented.
Copper(I)–NHC complexes as NHC transfer agents
The latest advances involving the use of copper(I)–NHC complexes as NHC transfer agents are described.
About this collection
This web collection contains the Frontier and Perspective articles that Dalton Transactions has published in 2017.