17.10.2013 | A. Shanavas, T. Narasimhaswamy, B.V.N. Phani Kumar, A. Sultan Nasar, Canadian Journal of Chemistry, 2013

Utilisant des approches divergentes, on a réalisé des synthèses de nouveaux mésogènes en forme étoilée à base d'acide trimésique et des portions centrales portant des chaînes latérales symétriques se terminant par des groupes alcoxy. Les portions centrales et les chaînes latérales sont liées ...

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10.04.2013 | Xiaohua Xu; Fuhai Zhang; Yanxin Yang; Longguan Xie, Chemical Communication, 2013

An efficient and diastereoselective Pd-catalyzed method of allylation of aldehydes with 3-bromomethyl-5H-furan-2-one is described. The proposed method allows the synthesis of β-(hydroxymethylaryl/alkyl)-α-methylene-γ-butyrolactones with a syn relative configuration for the first time.

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10.04.2013 | Xing-Yong Liang; Qiang-Wei Liu; Hua-Chao Bing; Jinsong Yang, Organic & Biomolecular Chemistry, 2013

We describe in this paper the efficient four-component one-pot synthesis of three fully protected oligosaccharides 22, 36, and 50 with di-branched structures by employing D-galacto- and mannopyranosyl thioglycoside diols as central glycosylating agents. After global deprotection, they were ...

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10.04.2013 | Sarika Singh; K C Barick; Dhirendra Bahadur, CrystEngComm, 2013

A simple soft chemical approach has been successfully adopted for the synthesis of ZnO in spherical assemblies (SA), nanorods assemblies (NRA), cauliflower-like assemblies (CFA) and mushroom-like assemblies (MA). The morphology of self-assembled ZnO nanostructures composed of numerous ...

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10.04.2013 | Shuquan Liang; Jiang Zhou; Jing Liu; Anqiang Pan; Yan Tang; Tao Chen; Guozhao Fang, CrystEngComm, 2013

An efficient and scalable strategy has been developed for the synthesis of MoS2 nanosheets employing PVP as surfactant. The MoS2 nanosheets exhibit enhanced lithium intercalation capacity, cyclic stability and rate capability.

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10.04.2013 | Marie Lawson; Abdallah Hamze; Jean-Francois Peyrat; Jerome Bignon; Joelle Dubois; Jean Daniel Brion; Mouad Alami, Organic & Biomolecular Chemistry, 2013

The synthesis of 2-alpha-styrylpyridines has been carried out by using the coupling of polyoxygenated N-tosylhydrazones with various 2-halopyridines. We demonstrated that the use of a catalytic amount of PdCl2(MeCN)2 in combination with a bidentate ferrocene DPPF or a monodentate alkyl ...

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10.04.2013 | Mallayan Palaniandavar, Dalton Transactions, 2013

Abstract: A series of water soluble copper(II) complexes of the types [Cu(L)Cl] 1 - 2, where LH is 2-(2-(1H-benzimidazol-2-yl)ethyliminomethyl)phenol (H(L1)), and 2-(2-(1H-benzimidazol-2-yl)-ethylimino)methyl)-4-methylphenol (H(L2)), and [Cu(L)Cl2] 3 - 6, where L is ...

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10.04.2013 | Manju Bala; Praveen Kumar Verma; Upendra Sharma; Neeraj Kumar; Bikram Singh, Green Chemistry, 2013

An efficient and versatile iron phthalocyanine catalyzed method has been developed for N-alkylation of various amines with alcohols. Readily available alcohols were used as alkylating agents for direct N-alkylation of aminobenzothiazoles, aminopyridines and aminopyrimidines. N-alkylation of ...

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10.04.2013 | Yan Chao Xu; Jie Zhang; Hong Mei Sun; Qi Shen; Yong Zhang, Dalton Transactions, 2013

This is an Accepted Manuscript, which has been through the RSC Publishing peer review process and has been accepted for publication. Accepted manuscripts are published online shortly after acceptance. This version of the article will be replaced by the fully edited, formatted and proof read ...

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10.04.2013 | Rudi Marquez; Frank Ferrari; Adele Elisa Pasqua; Andrew Ledgard, Organic & Biomolecular Chemistry, 2013

The enantioselective synthesis of the oxa-pinnaic acid framework has been achieved through internal asymmetric induction. The synthetic strategy pursued illustrates the adaptability of the Achmatowicz oxidative rearrangement for the synthesis of complex spirocyclic pyrans starting from ...

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