Royal Society of Chemistry

Enantioselective total syntheses of the proposed structures of prevezol B and evaluation of anti-cancer activity

Org. and Biomol. Chem. - 10 October, 2014 - 05:54

Org. Biomol. Chem., 2014, 12,8239-8246
DOI: 10.1039/C4OB01662A, PaperAnna E. Leung, Riccardo Rubbiani, Gilles Gasser, Kellie L. Tuck
The first enantioselective total syntheses of the proposed structures of the natural product prevezol B are reported. This work has shown that the proposed structures of prevezol B are incorrect.
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Investigation of desilylation in the recognition mechanism to fluoride by a 1,8-naphthalimide derivative

Org. and Biomol. Chem. - 10 October, 2014 - 05:54

Org. Biomol. Chem., 2014, 12,8275-8279
DOI: 10.1039/C4OB01500B, PaperJeeun Woo, Gunwoo Kim, Kevanie Quintero, Michael P. Hanrahan, Hector Palencia, Haishi Cao
Desilylation based fluorescence sensor (AF-1) gives a dual signal for quantitative detection of F- in MeCN.
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Annulated and bridged tetrahydrofurans from alkenoxyl radical cyclization

Org. and Biomol. Chem. - 10 October, 2014 - 05:54

Org. Biomol. Chem., 2014, 12,8288-8307
DOI: 10.1039/C4OB01266F, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Christine Schur, Harald Kelm, Thomas Gottwald, Arne Ludwig, Rainer Kneuer, Jens Hartung
4-Pentenoxyl radicals sharing two or more carbon atoms with a cycloalkane cyclize in a predictable manner stereoselectively and regioselectively to afford in solutions of bromotrichloromethane cycloalkyl-fused or -bridged 2-bromomethyltetrahydrofurans in up to 95% yield.
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Palladium-catalyzed direct addition of arylboronic acids to 2-aminobenzonitrile derivatives: synthesis, biological evaluation and in silico analysis of 2-aminobenzophenones, 7-benzoyl-2-oxoindolines, and 7-benzoylindoles

Org. and Biomol. Chem. - 10 October, 2014 - 05:54

Org. Biomol. Chem., 2014, 12,8204-8211
DOI: 10.1039/C4OB00978A, PaperJiuxi Chen, Leping Ye, Weike Su
Synthesis, biological evaluation and in silico analysis of 2-aminobenzophenones, 7-benzoyl-2-oxoindolines and 7-benzoylindoles.
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Photoinduced charge and energy transfer in molecular wires

Chem. Soc. Rev. - 10 October, 2014 - 04:17

Chem. Soc. Rev., 2014, Advance Article
DOI: 10.1039/C4CS00221K, Tutorial ReviewMelina Gilbert, Bo Albinsson
This tutorial review focuses on photo-induced charge/energy transfer in covalently linked donor-bridge-acceptor (D-B-A) systems.
To cite this article before page numbers are assigned, use the DOI form of citation above.
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Facile synthesis of 3D Pd-P nanoparticle networks with enhanced electrocatalytic performance towards formic acid electrooxidation

Chem. Commun. - 9 October, 2014 - 10:54

Chem. Commun., 2014, 50,13451-13453
DOI: 10.1039/C4CC03282A, CommunicationJingfang Zhang, You Xu, Bin Zhang
3D Pd-P nanoparticle networks (NNs) have been successfully synthesized using a facile one-step soft-template-assisted method. The as-prepared Pd-P NNs exhibit markedly improved activity and stability towards formic acid electrooxidation over Pd NNs, commercial Pd/C and Pd-P nanoparticle aggregates (NAs).
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A domino desulfurative coupling-acylation-hydration-Michael addition process for the synthesis of polysubstituted tetrahydro-4H-pyrido[1,2-a]pyrimidines

Chem. Commun. - 9 October, 2014 - 10:54

Chem. Commun., 2014, 50,13555-13558
DOI: 10.1039/C4CC05090H, CommunicationZhong-Fei Yan, Zheng-Jun Quan, Yu-Xia Da, Zhang Zhang, Xi-Cun Wang
A domino desulfurative coupling-acylation-hydration and Michael addition sequence has been established. The process involves the formation of two C-C bonds, one C-N bond and a C[double bond, length as m-dash]O double bond to produce one ring simultaneously.
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A naked-eye and ratiometric near-infrared probe for palladium via modulation of a [small pi]-conjugated system of cyanines

Chem. Commun. - 9 October, 2014 - 10:54

Chem. Commun., 2014, 50,13525-13528
DOI: 10.1039/C4CC05871B, CommunicationXiaohang Wang, Zhiqian Guo, Shiqin Zhu, He Tian, Weihong Zhu
The modulation of [small pi]-conjugated electrons in cyanine dyes can result in a ratiometric fluorescence change with a large Stokes shift (270 nm), especially for realizing palladium detection in aqueous samples using indicator paper and in living cells by ratiometric mode.
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Biological stability and activity of siRNA in ionic liquids

Chem. Commun. - 9 October, 2014 - 10:54

Chem. Commun., 2014, 50,13457-13460
DOI: 10.1039/C4CC05086J, CommunicationRomiza R. Mazid, Upulie Divisekera, Wenjuan Yang, Vijayaraghavan Ranganathan, Douglas R. MacFarlane, Christina Cortez-Jugo, Wenlong Cheng
We found that CDP IL can significantly enhance the biological stability of siRNA. More importantly siRNA in IL can still maintain high levels of gene knockdown activity.
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Facile synthesis of PdPt nanoalloys with sub-2.0 nm islands as robust electrocatalysts for methanol oxidation

Chem. Commun. - 9 October, 2014 - 10:54

Chem. Commun., 2014, 50,13551-13554
DOI: 10.1039/C4CC04534C, CommunicationDa-Bing Huang, Qiang Yuan, Hong-Hui Wang, Zhi-You Zhou
The high-yield, composition-tunable PdPt nanoalloys with sub-2.0 nm islands were first achieved through a facile aqueous approach.
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Enantioselective halogenative semi-pinacol rearrangement: a stereodivergent reaction on a racemic mixture

Chem. Commun. - 9 October, 2014 - 10:54

Chem. Commun., 2014, 50,13461-13464
DOI: 10.1039/C4CC05923A, CommunicationFedor Romanov-Michailidis, Marion Pupier, Laure Guenee, Alexandre Alexakis
The present work describes a stereodivergent reaction in the course of which an optically inactive, racemic starting material is quantitatively de-racemized with the help of an enantiomerically pure phosphate anion.
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Visible light-induced intermolecular radical addition: facile access to [gamma]-ketoesters from alkyl-bromocarboxylates and enamines

Chem. Commun. - 9 October, 2014 - 10:54

Chem. Commun., 2014, 50,13547-13550
DOI: 10.1039/C4CC05590J, CommunicationBei Hu, Haixia Chen, Yan Liu, Wuheng Dong, Kai Ren, Xiaomin Xie, Hao Xu, Zhaoguo Zhang
A highly efficient addition of alkyl [small alpha]-bromocarboxylates to enamines by visible light-induced photoredox catalysis is reported.
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The atomic structure of a bare buffer layer on SiC(0001) chemically resolved

Chem. Commun. - 9 October, 2014 - 10:54

Chem. Commun., 2014, 50,13571-13574
DOI: 10.1039/C4CC05005C, CommunicationLuis Henrique de Lima, Dominique Handschak, Frank Schonbohm, Richard Landers, Carsten Westphal, Abner de Siervo
A chemical-specific photoelectron diffraction structure determination of a carbon rich buffer layer on SiC is reported.
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Photo- and thermo-activated electron transfer system based on a luminescent europium organic framework with spectral response from UV to visible range

Chem. Commun. - 9 October, 2014 - 10:54

Chem. Commun., 2014, 50,13544-13546
DOI: 10.1039/C4CC05975A, CommunicationHengjun Chen, Guiming Zheng, Min Li, Yifang Wang, Yang Song, Conghui Han, Jingcao Dai, Zhiyong Fu
A dual stimuli-responsive system with spectral response from UV to the visible region was constructed by introducing methyl viologen into a luminescent Eu-MOF with a compact packing mode.
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Efficient approach to prepare multiple chemotherapeutic agent conjugated nanocarrier

Chem. Commun. - 9 October, 2014 - 10:54

Chem. Commun., 2014, 50,13540-13543
DOI: 10.1039/C4CC04445B, CommunicationVijayakameswara Rao N, Himadri Dinda, Mutyala Naidu Ganivada, Jayasri Das Sarma, Raja Shunmugam
A pH-responsive, multiple chemotherapeutic agent derived nanocarrier has been synthesized by conjugating doxorubicin, indomethacin, and folate to the backbone of norbornene polymer.
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Iodine-mediated oxidative annulation for one-pot synthesis of pyrazines and quinoxalines using a multipathway coupled domino strategy

Chem. Commun. - 9 October, 2014 - 10:54

Chem. Commun., 2014, 50,13517-13520
DOI: 10.1039/C4CC05844E, CommunicationK. K. Durga Rao Viswanadham, Muktapuram Prathap Reddy, Pochampalli Sathyanarayana, Owk Ravi, Ruchir Kant, Surendar Reddy Bathula
Metal or catalyst free synthesis of pyrazines and quinoxalines via iodine-mediated oxidative annulation of aryl acetylenes-arylethenes-aromatic ketones with 1,2-diamines.
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Conductive porphyrin helix from ternary self-assembly systems

Chem. Commun. - 9 October, 2014 - 10:54

Chem. Commun., 2014, 50,13537-13539
DOI: 10.1039/C4CC05719H, CommunicationQiang Zhao, Yao Wang, Yan Qiao, Xiaolong Wang, Xuefeng Guo, Yun Yan, Jianbin Huang
The helix with ternary components is easily obtained in aqueous solution. It possesses the characteristic porphyrin fluorescence and conductivity.
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An interlaced silver vanadium oxide-graphene hybrid with high structural stability for use in lithium ion batteries

Chem. Commun. - 9 October, 2014 - 10:54

Chem. Commun., 2014, 50,13447-13450
DOI: 10.1039/C4CC05065G, CommunicationJiwen Qin, Wei Lv, Zhengjie Li, Baohua Li, Feiyu Kang, Quan-Hong Yang
Graphene as a two-dimensional substrate directs the growth of silver vanadium oxide (SVO) forming a hybrid with an interlaced structure which shows improved cycling stability as the cathode of Li-ion batteries.
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Threaded macromolecules as a versatile framework for biomaterials

Chem. Commun. - 9 October, 2014 - 10:54

Chem. Commun., 2014, 50,13433-13446
DOI: 10.1039/C4CC03709J, Feature ArticleAtsushi Tamura, Nobuhiko Yui
In this feature article, the recent progress in biomaterial application of threaded macromolecules including polyrotaxanes such as drug delivery and gene delivery is described.
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Self-assembly of random copolymers

Chem. Commun. - 9 October, 2014 - 10:54

Chem. Commun., 2014, 50,13417-13432
DOI: 10.1039/C4CC03688C, Feature ArticleLongyu Li, Kishore Raghupathi, Cunfeng Song, Priyaa Prasad, S. Thayumanavan
The versatility of random copolymer based self-assembly to provide diverse morphologies and their utility are discussed.
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