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Organic & Biomolecular Chemistry

The international home of synthetic, physical and biomolecular organic chemistry.
Impact Factor 3.487 48 Issues per Year Indexed in Medline
 
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Org. Biomol. Chem., 2015, Advance Article
DOI: 10.1039/C5OB00586H, Communication
A TBHP-mediated palladium-catalyzed tandem isomerization–Wacker oxidation of terminal alkenes was developed.
 
Abdelsattar M Omar, Mona A Mahran, Mohini N Ghatge, Nadia Chowdhury, Faida H.A. Bamane, Moustafa E El-Araby, Osheiza Addulmalik and Martin Safo
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB00367A, Paper
Aromatic aldehydes and ethacrynic acid (ECA) exhibit antipolymerization properties that are beneficial for sickle cell disease therapy. Based on ECA pharmacophore and its atomic interaction with hemoglobin, we designed and...
 
Org. Biomol. Chem., 2015, Advance Article
DOI: 10.1039/C5OB00617A, Communication
A novel Cu-catalyzed addition/cyclization cascade of o-cyanoarylacrylamide has been developed for the synthesis of various phosphonylated quinoline-2,4(1H,3H)-diones.
 
Zhigao Shen, Zilei Xia, Huijun Zhao, Jiadong Hu, Xiaolong Wan, Yisheng Lai, Chen Zhu and Weiqing Xie
Org. Biomol. Chem., 2015, Advance Article
DOI: 10.1039/C5OB00546A, Communication
Direct access to unprotected amino-pyrroloindoline via aminocyclization of tryptamine and tryptophan catalyzed by Rh2(esp)2 has been described using O-(2,4-dinitrophenyl)hydroxylamine (DPH) as the nitrogen source.
 
Lenka Vachova, Miloslav Machacek, Radim Kučera, Jiri Demuth, Pavel Cermak, Kamil Kopecky, Miroslav Miletin, Adela Jedlickova, Tomas Simunek, Veronika Novakova and Petr Zimcik
Org. Biomol. Chem., 2015, Advance Article
DOI: 10.1039/C5OB00651A, Communication
Synthesis and photophysical properties are reported for substituted tetra(3,4-pyrido)porphyrazines that absorb light as far as at 800 nm.
 
Org. Biomol. Chem., 2015, Advance Article
DOI: 10.1039/C4OB02653E, Paper
An efficient chiral squaramide-catalysed enantioselective Michael addition of pyrazolin-5-ones to 3-nitro-2H-chromenes afforded chiral heterocycles containing both chroman and pyrazolone derivatives in high to excellent yields (up to 98%) with high enantioselectivities (up to 96%) under very low catalyst loading (0.2 mol%).
 
Elisabetta Massolo, Maurizio Benaglia, Andrea Genoni, Rita Annunziata, Giuseppe Celentano and Nicoletta Gaggero
Org. Biomol. Chem., 2015, Advance Article
DOI: 10.1039/C5OB00492F, Communication
Under mild reaction conditions γ-nitro-β-aryl-α-keto esters with up to 92% ee were obtained, realizing a formal catalytic stereoselective conjugate addition of the glyoxylate anion synthon.
 
Org. Biomol. Chem., 2015, Advance Article
DOI: 10.1039/C4OB02646B, Paper
Thermal denaturation of a C-rich DNA sequence substituted with mC or hmC under various acidic pH indicate that DNA i-motif is stabilized by one or two mCs, but is destabilized by either single modification with hmC or hypermethylation with mC.
 
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB00638D, Communication
An efficient and useful rhodium-catalyzed denitrogenative thioacetalization of N-sulfonyl-1,2,3-triazoles has been developed for the first time. The protocol uses readily available N-sulfonyl-1,2,3-triazoles and diaryl disulfides as the starting materials, the...
 
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB00599J, Communication
An efficient approach to 3-alkynylpyrroles has been developed through the gold-catalyzed reaction of β-enamino derivatives with terminal alkynes, which features complete regiocontrol, relatively wide substrate scope, and high functional group...
 
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB00663E, Paper
Isatins and their derivatives are important functional moities and building blocks in pharmaceutical and synthetic chemistry. Numerous enantioselective transformations at the C-3 carbonyl group have been well developed. However, the...
 
Org. Biomol. Chem., 2015, Advance Article
DOI: 10.1039/C5OB00315F, Paper
Swarming motility inhibition in Bacillus atrophaeus.
 
Ali H. Essa, Reinner Ishaq Lerrick, Eçe Çiftçi, Ross Harrington, Paul G Waddell, William Clegg and Michael John Hall
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB00541H, Paper
2,2,2-Trichloro-1-aryl-ethanones can be reduced by RMgX to the corresponding 2,2-dichloro-1-arylethen-1-olates and trapped with a range of electrophiles resulting in either reduction, reduction/aldol, reduction/Claisen condensation or reduction/aldol-Tishchenko products. In addition we...
 
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C4OB02384F, Paper
From themed collection Supramolecular Chemistry in Water
A series of tetra-substituted ‘pseudo’ dipeptide ligands of cyclen (1,4,7,10,-tetraazacyclododecane) and a tri-substituted 3’-pyridine ligand of cyclen, and the corresponding lanthanide(III) complexes were synthesised and characterised as metallo-ribonuclease mimics. All...
 
Org. Biomol. Chem., 2015, Advance Article
DOI: 10.1039/C5OB00708A, Communication
The first bifunctional thiourea catalyzed asymmetric Michael addition reactions of nitroalkanes to 2-furanones are described.
 
Yong Wang, Ya-Nan Xu, Guo-Sheng Fang, Hong-Jian Kang, Yonghong Gu and Shi-Kai Tian
Org. Biomol. Chem., 2015, Advance Article
DOI: 10.1039/C5OB00671F, Communication
A new strategy has been developed for the catalytic kinetic resolution of primary allylic amines via enantioselective C–N bond cleavage.
 
Yury N. Kotovshchikov, Gennadij V. Latyshev, Nikolay V. Lukashev and Irina P. Beletskaya
Org. Biomol. Chem., 2015, Advance Article
DOI: 10.1039/C5OB00559K, Paper
A new biligand catalytic system was applied for the Pd-free Sonogashira syntheses of valuable steroidal enynes.
 
Org. Biomol. Chem., 2015, Advance Article
DOI: 10.1039/C5OB00031A, Paper
A novel synthesis of 4-aryl-(3-oxabicyclo[4.2.0]octan-1-yl)amide and (1-(5-aryltetrahydrofuran-3-yl)cyclobutyl)amide derivatives was achieved through a sequential Prins/Wagner/Ritter process.
 
Org. Biomol. Chem., 2015, Advance Article
DOI: 10.1039/C5OB00354G, Paper
The synthesis, on a large scale, with very good yield and er via an efficient strategy, of a chiral 4-substituted 2-cyclohexenone intermediate, was a milestone in the synthesis of seven analogues of meiogynin A, a natural sesquiterpenoid dimer.
 
Org. Biomol. Chem., 2015, Advance Article
DOI: 10.1039/C5OB00552C, Communication
An efficient protocol for the synthesis of 3-aryl-[1,2,4]triazolo[4,3-a]pyridines has been developed via Cu-catalysed direct C–H (hetero)arylation. The resulting compounds exhibit deep-blue emission with high quantum yields, photostability, and thermal stability.
 
Prachi Agarwala, Satyaprakash Pandey and Souvik Maiti
Org. Biomol. Chem., 2015, Advance Article
DOI: 10.1039/C4OB02681K, Review Article
The RNA secondary structure G-quadruplex with its malleable nature can execute diverse biological functions and can be manipulated and used for various applications.
 
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB00634A, Paper
A convenient way to the new class of geminal Mes2PH+/B(C6F5)2H- pairs is presented. It utilizes triflic acid addition to trans-Mes2PCH=CHB(C6F5)2 followed by triflate/hydride exchange. Thermally induced ring-closure gave a phosphonium/boratacyclopropane...
 
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB00548E, Paper
New water-soluble p-tert-butylthiacalix[4]arenes containing peptide and quaternary ammonium fragments in cone and 1,3-alternate conformations were synthesized and characterized. The interaction of the macrocycles with DNA was studied by UV-spectroscopy, DLS...
 
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB00610D, Communication
F5S-CC-CF3 can be easily prepared in high yields in two steps from 3,3,3-trifluoropropyne. It is a powerful, versatile dienophile in Diels-Alder reactions. Reactions at room temperature provide the corresponding products...
 
Org. Biomol. Chem., 2015, Accepted Manuscript
DOI: 10.1039/C5OB00650C, Communication
A synthesis of two (S)-phenylalanine derivatives is described which have the all-cis, 2,3,5,6-tetrafluorocyclohexyl motif attached to the aromatic ring at the meta and para positions; the para substituted isomer is...
 
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