Royal Society of Chemistry

Supramolecular activation of a molecular photocatalyst

Dalton Transactions - 19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13307-13315
DOI: 10.1039/C4DT00761A, PaperMichael G. Pfeffer, Christian Pehlken, Robert Staehle, Dieter Sorsche, Carsten Streb, Sven Rau
Supramolecular activation of an intramolecular ruthenium palladium hydrogen evolving photocatalyst using polyaromatic compounds.
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Novel tetranuclear copper |2 + 4| cubanes resulting from unprecedented C-O bond formation cum dearomatization

Dalton Transactions - 19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13169-13173
DOI: 10.1039/C4DT01887G, CommunicationAmit Kumar, Rampal Pandey, Rakesh Kumar Gupta, Mrigendra Dubey, Daya Shankar Pandey
The synthesis and characterization of tetranuclear copper |2 + 4| cubanes have been described. Notably, hydrated copper(II) salts/precursors reacted with various ligands to afford cubanes via copper mediated C-O bond formation, while anhydrous salt yielded the mononuclear complex.
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A halogenophilic pathway in the reactions of transition metal carbonyl anions with [([small eta]6-iodobenzene)Cr(CO)3]

Dalton Transactions - 19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13392-13398
DOI: 10.1039/C4DT01363H, PaperPetr K. Sazonov, Vasiliy A. Ivushkin, Victor N. Khrustalev, Natal'ya G. Kolotyrkina, Irina P. Beletskaya
Formal nucleophilic substitution in [([small eta]6-iodobenzene)Cr(CO)3] begins with the attack of the carbonylmetallate at iodine to form the aryl carbanion and [IM(CO)nL], which then give all of the variety of products observed.
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Syntheses, crystal structures, and optical properties of five metal complexes constructed from a V-shaped thiophene-containing ligand and different dicarboxylate ligands

Dalton Transactions - 19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13250-13258
DOI: 10.1039/C4DT01400F, PaperZhi-Qiang Shi, Zi-Jian Guo, He-Gen Zheng
Five new metal complexes constructed from the V-shaped ligand 2,8-di(1H-imidazol-1-yl)dibenzothiophene (DIDP) and different aromatic dicarboxylic acids have been synthesized and structurally characterized in detail. All these complexes show optical semiconductive properties.
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Synthesis, structure and luminescence properties of new chloro-germanate phosphors Ca3GeO4Cl2:Eu2+

Dalton Transactions - 19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13370-13376
DOI: 10.1039/C4DT01306A, PaperXue Chen, Zhiguo Xia, Quanlin Liu
The crystal structure and luminescence properties of blue-emitting chloro-germanate phosphors Ca3GeO4Cl2:Eu2+ are discussed.
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Ruthenium sensitizers having an ortho-dicarboxyl group as an anchoring unit for dye-sensitized solar cells: synthesis, photo- and electrochemical properties, and adsorption behavior to the TiO2 surface

Dalton Transactions - 19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13208-13218
DOI: 10.1039/C4DT01450B, PaperHironobu Ozawa, Kei Fukushima, Takahito Sugiura, Ayako Urayama, Hironori Arakawa
A novel ruthenium sensitizer with a 3[prime or minute],4[prime or minute]-dicarboxyterpyridine (TUS-28) has been synthesized as an improved model sensitizer of the dye-sensitized solar cells.
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Triptycene based organometallic complexes: a new class of acceptor synthons for supramolecular ensembles

Dalton Transactions - 19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13270-13277
DOI: 10.1039/C4DT01298D, PaperSourav Chakraborty, Snehasish Mondal, Sourav Bhowmick, Jianqiu Ma, Hongwei Tan, Subhadip Neogi, Neeladri Das
New triptycene based organometallic complexes have been synthesized and subsequently used for design of the triptycene motif containing nanoscalar trigonal prisms. Flexible 3,3[prime or minute]-bipyridine is employed as a donor unit.
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Isomeric chain structures of {[Mn(H2O)4]2Ru2(CO3)4Br2}nn-: syntheses, structural diversity and magnetic properties

Dalton Transactions - 19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13316-13324
DOI: 10.1039/C4DT01522C, PaperXiao-Feng Hou, Yan-Yan Jia, Jian-Hui Yang, Zhi Cao, Bin Liu
Isomeric (twisted and zigzag) double-chain {[Mn(H2O)4]2Ru2(CO3)4Br2}nn- complexes show two-step magnetic ordering (5.0 K and 2.6 K) and metamagnetic behavior (1.2 kOe).
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Imatinib intermediate as a two in one dual channel sensor for the recognition of Cu2+ and I- ions in aqueous media and its practical applications

Dalton Transactions - 19 August, 2014 - 04:17

Dalton Trans., 2014, 43,13299-13306
DOI: 10.1039/C4DT01516A, PaperSamadhan R. Patil, Jitendra P. Nandre, Devising Jadhav, Shilpa Bothra, S. K. Sahoo, Manisha Devi, Chullikkattil P. Pradeep, Pramod P. Mahulikar, Umesh D. Patil
An imatinib intermediate was developed for the colorimetric sensing of Cu2+ ions in aqueous solution.
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Highly efficient synthesis of a tristable molecular shuttle and its controlled motion under chemical stimuli

Org. and Biomol. Chem. - 18 August, 2014 - 16:54

Org. Biomol. Chem., 2014, 12,6937-6943
DOI: 10.1039/C4OB01283F, PaperZheng Meng, Chuan-Feng Chen
A tristable molecular shuttle could be efficiently synthesized in 76% yield by exploiting a K+ ion template and a bulky isocyanate stopper.
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Monopyrrolotetrathiafulvalene-succinamide conjugates and their TCNQ charge transfer complex based supramolecular gels with multiple stimulus responsiveness

Org. and Biomol. Chem. - 18 August, 2014 - 16:54

Org. Biomol. Chem., 2014, 12,6927-6936
DOI: 10.1039/C4OB01397B, PaperYucun Liu, Ningjuan Zheng, Tie Chen, Longyi Jin, Bingzhu Yin
Monopyrrolotetrathiafulvalene-succinamide conjugates and their TCNQ charge transfer (CT) complexes have been developed as LMOGs. The native gels and CT complex gels exhibit smart multiple stimulus responsiveness.
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A one-pot synthetic strategy for construction of the dibenzodiazepine skeleton via a transition metal-free process

Org. and Biomol. Chem. - 18 August, 2014 - 16:54

Org. Biomol. Chem., 2014, 12,6895-6900
DOI: 10.1039/C4OB00871E, PaperShuai Fang, Xiaoyi Niu, Zeyuan Zhang, Yan Sun, Xiaomeng Si, Cuicui Shan, Lei Wei, Aiqing Xu, Lei Feng, Chen Ma
A one-pot transition metal-free methodology for constructing pharmacologically active dibenzodiazepine derivatives was developed.
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Recent advances in heterobimetallic palladium(II)/copper(II) catalyzed domino difunctionalization of carbon-carbon multiple bonds

Org. and Biomol. Chem. - 18 August, 2014 - 16:54

Org. Biomol. Chem., 2014, 12,6767-6789
DOI: 10.1039/C4OB00610K, Review ArticleEgle M. Beccalli, Gianluigi Broggini, Silvia Gazzola, Alberto Mazza
The Pd(II)/Cu(II)-catalysed double functionalization of carbon-carbon multiple bonds in domino processes has emerged in recent years as a fruitful tool for the rapid synthesis of complex molecular scaffolds.
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A self-replicating peptide nucleic acid

Org. and Biomol. Chem. - 18 August, 2014 - 16:54

Org. Biomol. Chem., 2014, 12,6908-6914
DOI: 10.1039/C4OB01168F, PaperTobias A. Ploger, Gunter von Kiedrowski
This paper presents evidence for self-replication in a most basic PNA molecular network and provides an explanation for the underlying kinetics.
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Formal synthesis of (+)-3-epi-eupomatilone-6 and the 3,5-bis-epimer

Org. and Biomol. Chem. - 18 August, 2014 - 16:54

Org. Biomol. Chem., 2014, 12,6885-6894
DOI: 10.1039/C4OB01078G, PaperSariya Yodwaree, Darunee Soorukram, Chutima Kuhakarn, Patoomratana Tuchinda, Vichai Reutrakul, Manat Pohmakotr
The formal synthesis of (+)-3-epi-eupomatilone-6 and the 3,5-bis-epimer has been accomplished using stereoselective conjugate addition of vinylmagnesium chloride to a chiral [small alpha],[small beta]-unsaturated N-acyl oxazolidinone followed by [small alpha]-methylation as the key steps.
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Ligand-free MCR for linking quinoxaline framework with a benzimidazole nucleus: a new strategy for the identification of novel hybrid molecules as potential inducers of apoptosis

Org. and Biomol. Chem. - 18 August, 2014 - 16:54

Org. Biomol. Chem., 2014, 12,6800-6805
DOI: 10.1039/C4OB01268B, CommunicationRajnikanth Sunke, P. Vijaya Babu, Swapna Yellanki, Raghavender Medishetti, Pushkar Kulkarni, Manojit Pal
A Cu-catalyzed MCR afforded novel hybrid molecules as potential inducers of apoptosis in zebrafish.
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An enzymatic approach to bifunctional chelating agents

Org. and Biomol. Chem. - 18 August, 2014 - 16:54

Org. Biomol. Chem., 2014, 12,6915-6921
DOI: 10.1039/C4OB00810C, PaperPaolo Minazzi, Luciano Lattuada, Ivan G. Menegotto, Giovanni B. Giovenzana
Three novel BFCAs are obtained through an original protocol involving an enzymatic hydrolysis as the key step.
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Highly selective fluorescence off-on probes for biothiols and imaging in live cells

Org. and Biomol. Chem. - 18 August, 2014 - 16:54

Org. Biomol. Chem., 2014, 12,6837-6841
DOI: 10.1039/C4OB01031K, PaperDi Zhang, Wei Chen, Jianming Kang, Yong Ye, Yufen Zhao, Ming Xian
Three sulfonyl benzothiazole-based fluorescence off-on probes for biothiols are developed and applied for visualizing endogenous thiols in living cells.
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Design, synthesis and biological evaluation of bicyclic iminosugar hybrids: conformational constraint as an effective tool for tailoring the selectivity of [small alpha]-glucosidase inhibitors

Org. and Biomol. Chem. - 18 August, 2014 - 16:54

Org. Biomol. Chem., 2014, 12,6855-6868
DOI: 10.1039/C4OB00486H, PaperInderpreet Arora, Vivek Kr. Kashyap, Alok Kumar Singh, Arunava Dasgupta, Brijesh Kumar, Arun K. Shaw
Selective inhibition by conformational restriction of pyrrolidine iminosugars. Click conceived pyrrolidotriazoles incorporate essential features to access the mimicry of the transition state of carbohydrate processing enzymes.
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Scandium-catalyzed tandem selective oxirane ring-opening/Friedel-Crafts alkylation: a facile access to [1,4]oxazino[4,3-a]indoles and 3,4-dihydro-1H-pyrrolo[2,1-c][1,4]oxazines

Org. and Biomol. Chem. - 18 August, 2014 - 16:54

Org. Biomol. Chem., 2014, 12,6869-6877
DOI: 10.1039/C4OB01057D, PaperLai Wei, Lu Liu, Junliang Zhang
An efficient Lewis acid-catalyzed tandem selective ring-opening and Friedel-Crafts alkylation of 1H-indol-1-yl derived oxiranes was developed.
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