Royal Society of Chemistry

Crystallization-induced red emission of a facilely synthesized biodegradable indigo derivative

Chem. Commun. - 11 February, 2015 - 18:54

Chem. Commun., 2015, 51,3375-3378
DOI: 10.1039/C4CC09540E, CommunicationCangjie Yang, Quang Thang Trinh, Xiaochen Wang, Yuxin Tang, Kai Wang, Shuo Huang, Xiaodong Chen, Samir H. Mushrif, Mingfeng Wang
A new crystallization-induced red-emitting luminogen based on a biodegradable indigo derivative forms well-defined microcrystals in tetrahydrofuran-water mixtures upon ultrasonication.
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Panchromatic luminescence from julolidine dyes exhibiting excited state intramolecular proton transfer

Chem. Commun. - 11 February, 2015 - 18:54

Chem. Commun., 2015, 51,3351-3354
DOI: 10.1039/C4CC09832C, CommunicationAdela Nano, Maria Pia Gullo, Barbara Ventura, Nicola Armaroli, Andrea Barbieri, Raymond Ziessel
The panchromatic emission from julolidine dyes modified for ESIPT is modulated by the substituent on the phenyl ring (R = I, C[triple bond, length as m-dash]CH).
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Indium-catalyzed, novel route to [small beta],[small beta]-disubstituted indanones via tandem Nakamura addition-hydroarylation-decarboxylation sequence

Chem. Commun. - 11 February, 2015 - 18:54

Chem. Commun., 2015, 51,3347-3350
DOI: 10.1039/C4CC09799H, CommunicationNimmakuri Rajesh, Dipak Prajapati
An indium-catalyzed, novel method for the generation of [small beta],[small beta]-disubstituted indanones was described. Indium(III) trifluoromethanesulfonate is reported as the multitasking catalyst that promotes tandem Nakamura addition-hydroarylation-decarboxylation process under one-pot conditions.
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A novel fabrication of a polymeric ionic liquid hybrid film modified electrode and its successful application to the electrogeneration of a superoxide anion in aqueous media

Chem. Commun. - 11 February, 2015 - 18:54

Chem. Commun., 2015, 51,3343-3346
DOI: 10.1039/C4CC08410A, CommunicationDilani Nilushika, Mohamed I. Awad, Mahmoud M. Saleh, Takeyoshi Okajima, Lanqun Mao, Takeo Ohsaka
An ionene polymer-ionic liquid hybrid was fabricated by electro-oxidative polymerization of N,N-dimethylaniline in [MPP]+[N(Tf)2]-, which can be applied for the electrogeneration of a superoxide anion in aqueous media.
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Asymmetric catalysis activated by visible light

Chem. Commun. - 11 February, 2015 - 18:54

Chem. Commun., 2015, 51,3290-3301
DOI: 10.1039/C4CC09268F, Feature ArticleEric Meggers
Recent advances in merging visible light activated photochemistry with asymmetric catalysis are summarized and discussed.
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Poly(vinyl ester 1,2,3-triazolium)s: a new member of the poly(ionic liquid)s family

Chem. Commun. - 11 February, 2015 - 18:54

Chem. Commun., 2015, 51,3332-3335
DOI: 10.1039/C4CC08847F, CommunicationM. M. Obadia, G. Colliat-Dangus, A. Debuigne, A. Serghei, C. Detrembleur, E. Drockenmuller
A new class of poly(ionic liquid) of the poly(vinyl ester) family has been synthesized using an original and modular synthetic route.
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DNA fragment conformations in adducts with Kiteplatin

Dalton Transactions - 11 February, 2015 - 02:17

Dalton Trans., 2015, 44,3544-3556
DOI: 10.1039/C4DT01796J, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Nicola Margiotta, Emanuele Petruzzella, James A. Platts, Shaun T. Mutter, Robert J. Deeth, Rosa Ranaldo, Paride Papadia, Patricia A. Marzilli, Luigi G. Marzilli, James D. Hoeschele, Giovanni Natile
The anticancer-active platinum complex with cis-1,4-diaminocyclohexane has proved to be very valuable in detecting multiple conformers in adducts with oligonucleotides.
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Rapid access to glycopeptide antibiotic precursor peptides coupled with cytochrome P450-mediated catalysis: towards a biomimetic synthesis of glycopeptide antibiotics

Org. and Biomol. Chem. - 10 February, 2015 - 12:54

Org. Biomol. Chem., 2015, 13,2012-2021
DOI: 10.1039/C4OB02452D, PaperClara Brieke, Veronika Kratzig, Kristina Haslinger, Andreas Winkler, Max J. Cryle
One Cytochrome P450 enzyme performs the phenolic crosslinking of a range of chemically synthesized, carrier-protein loaded glycopeptide antibiotic precursor peptides.
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Tuning viscoelastic properties of supramolecular peptide gels via dynamic covalent crosslinking

Org. and Biomol. Chem. - 10 February, 2015 - 12:54

Org. Biomol. Chem., 2015, 13,1983-1987
DOI: 10.1039/C4OB02217C, CommunicationMohammad Aref Khalily, Melis Goktas, Mustafa O. Guler
A dynamic covalent crosslinking approach is used to crosslink supramolecular peptide gels.
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Preassembly-driven ratiometric sensing of H2PO4- anions in organic and aqueous environments

Org. and Biomol. Chem. - 10 February, 2015 - 12:54

Org. Biomol. Chem., 2015, 13,1979-1982
DOI: 10.1039/C4OB02498B, CommunicationWei-tao Gong, Duo Na, Le Fang, Hassan Mehdi, Gui-ling Ning
The preassembly phenomenon of R1 facilitates novel ratiometric fluorescence sensing of H2PO4- in organic and aqueous environments.
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An improved procedure to prepare 3-methyl-4-nitroalkylenethylisoxazoles and their reaction under catalytic enantioselective Michael addition with nitromethane

Org. and Biomol. Chem. - 10 February, 2015 - 12:54

Org. Biomol. Chem., 2015, 13,2192-2195
DOI: 10.1039/C4OB02109F, PaperMaria Moccia, Robert J. Wells, Mauro. F. A. Adamo
A two-step preparation of 3-methyl-4-nitro-5-alkylethenyl isoxazoles is herein reported. These were reacted with nitromethane under phase-transfer catalysis to provide highly enantioenriched adducts (up to 93% ee).
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Stereoelectronic effects: a simple yet powerful tool to manipulate anion affinity

Org. and Biomol. Chem. - 10 February, 2015 - 12:54

Org. Biomol. Chem., 2015, 13,2170-2176
DOI: 10.1039/C4OB02470B, PaperMasoud Samet, Alireza Fattahi, Steven R. Kass
Stereoelectronic effects on anion binding were examined, IR spectroscopy was used to probe structures, and a well aligned non-interacting group can be more significant than a hydrogen bond donor.
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Phosphate modulates receptor sulfotyrosine recognition by the chemokine monocyte chemoattractant protein-1 (MCP-1/CCL2)

Org. and Biomol. Chem. - 10 February, 2015 - 12:54

Org. Biomol. Chem., 2015, 13,2162-2169
DOI: 10.1039/C4OB02262A, PaperJustin P. Ludeman, Mahdieh Nazari-Robati, Brendan L. Wilkinson, Cheng Huang, Richard J. Payne, Martin J. Stone
Fluorescence anisotropy shows that the physiological buffer phosphate competes with a chemokine receptor sulfopeptide for binding to a cognate chemokine.
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In situ intramolecular catalytic 1,2-addition of allenoates to cyclic ketones towards polycyclic allenoates

Org. and Biomol. Chem. - 10 February, 2015 - 12:54

Org. Biomol. Chem., 2015, 13,2153-2156
DOI: 10.1039/C4OB02451F, PaperClement F. Heinrich, Michel Miesch, Laurence Miesch
Sequential deprotonation, isomerization of 3-alkynoates and subsequent 1,2-addition led to bicyclic allenoate in the presence of a catalytic amount of Cs2CO3.
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[small beta]-Ketothioamides: efficient reagents in the synthesis of heterocycles

Org. and Biomol. Chem. - 10 February, 2015 - 12:54

Org. Biomol. Chem., 2015, 13,1942-1953
DOI: 10.1039/C4OB02024C, Review ArticleWei-Si Guo, Li-Rong Wen, Ming Li
[small beta]-Ketothioamides (KTAs) are versatile building blocks for the rapid construction of various heterocyclic compounds.
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Synthesis and physico-chemical properties of the first water soluble Cu(II)@hemicryptophane complex

Org. and Biomol. Chem. - 10 February, 2015 - 12:54

Org. Biomol. Chem., 2015, 13,2157-2161
DOI: 10.1039/C4OB02085E, PaperAline Schmitt, Solene Collin, Christophe Bucher, Vincent Maurel, Jean-Pierre Dutasta, Alexandre Martinez
A water-soluble metallo-enzyme model featuring a copper(II) site encaged in a closed-shell cavity of a hemicryptophane has been synthesized and studied.
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Chemoselective efficient synthesis of functionalized [small beta]-oxonitriles through cyanomethylation of Weinreb amides

Org. and Biomol. Chem. - 10 February, 2015 - 12:54

Org. Biomol. Chem., 2015, 13,1969-1973
DOI: 10.1039/C4OB02398F, CommunicationAshenafi Damtew Mamuye, Laura Castoldi, Ugo Azzena, Wolfgang Holzer, Vittorio Pace
Homologation of Weinreb amides with cyanomethyllithium: a new route to [small beta]-oxonitriles.
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1H chemical shift differences of Prelog-Djerassi lactone derivatives: DFT and NMR conformational studies

Org. and Biomol. Chem. - 10 February, 2015 - 12:54

Org. Biomol. Chem., 2015, 13,2140-2145
DOI: 10.1039/C4OB02446J, PaperTulio J. Aimola, Dimas J. P. Lima, Luiz C. Dias, Claudio F. Tormena, Marco A. B. Ferreira
This work reports an experimental and theoretical study of the conformational preferences of several Prelog-Djerassi lactone derivatives, to elucidate the 1H NMR chemical shift differences in the lactonic core that are associated with the relative stereochemistry of these derivatives.
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Synthesis of enantiopure glycidol derivatives via a one-pot two-step enzymatic cascade

Org. and Biomol. Chem. - 10 February, 2015 - 12:54

Org. Biomol. Chem., 2015, 13,2146-2152
DOI: 10.1039/C4OB02186J, PaperYu-Chang Liu, Yan Liu, Zhong-Liu Wu
An enzymatic cascade reaction employing an S-specific ketoreductase and a styrene monooxygenase to synthesize enantiopure glycidol derivatives is described.
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Rapid detection of hydrazine in a naphthol-fused chromenyl loop and its effectiveness in human lung cancer cells: tuning remarkable selectivity via the reaction altered pathway supported by theoretical studies

Org. and Biomol. Chem. - 10 February, 2015 - 12:54

Org. Biomol. Chem., 2015, 13,2134-2139
DOI: 10.1039/C4OB01842G, PaperShyamaprosad Goswami, Avijit Kumar Das, Urmila Saha, Sibaprasad Maity, Kalyani Khanra, Nandan Bhattacharyya
A new chemosensor (NAC) is reported for fast and selective detection of N2H4 in a novel way.
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