Friedel-Crafts Alkylation of Indoles with Nitroalkenes Catalyzed by Zn(II)-Thiourea Complex
作者:Ningning Wan、Yonghai Hui、Zhengfeng Xie、Jide Wang
DOI:10.1002/cjoc.201180480
日期:2012.2
Friedel‐Craftsalkylation of indoles with nitroalkenes catalyzed by a novel Zn(II)‐thiourea complex has been developed. The remarkable advantages of this reaction are mild reaction conditions, simple workup procedure, high yield of products and the use of ethanol as acceptable solvent.
Boric Acid–Mediated Mild and Efficient Friedel–Crafts Alkylation of Indoles with Nitro Styrenes
作者:H. M. Meshram、N. Nageswara Rao、G. Santosh Kumar
DOI:10.1080/00397910903457316
日期:2010.11.3
An efficient method has been developed for the synthesis of indole 3-derivatives by the Friedel–Crafts alkylation of indole with nitroolefins in presence of boric acid in aqueous medium.
Friedel–Crafts alkylation of indoles with nitroalkenes catalyzed by Cu(II)–imine complex
作者:Ning Ning Wan、Yong Lei Yang、Wen Ping Wang、Zheng Feng Xie、Ji De Wang
DOI:10.1016/j.cclet.2011.04.013
日期:2011.7
Abstract A series of new ligands L 1 –L 7 were readily prepared in one step. Friedel–Craftsalkylation of indoles with nitroalkenes catalyzed by a novel Cu(II)–L complex has been developed. The remarkable advantages of this reaction are mild reaction conditions, simple workup procedure, high yields of products and the use of ethanol as a green solvent.
Asymmetric Friedel−Crafts Alkylations of Indoles with Nitroalkenes Catalyzed by Zn(II)−Bisoxazoline Complexes
作者:Yi-Xia Jia、Shuo-Fei Zhu、Yun Yang、Qi-Lin Zhou
DOI:10.1021/jo0516537
日期:2006.1.1
A novelasymmetric Friedel−Crafts alkylation of indoles with nitroalkenes catalyzed by Zn(II)−bisoxazoline complexes has been developed. The nitroalkylated indoles are synthesized in excellent yields and high enantioselectivities (up to 90% ee). The effects of ligand structure, metal salt, and solvent on the reaction are discussed. The substrates of the reaction can be aromatic, heteroaromatic, and
Preparation of a chiral Pt<sub>12</sub> tetrahedral cage and its use in catalytic Michael addition reaction
作者:Imtiyaz Ahmad Bhat、Anthonisamy Devaraj、Prodip Howlader、Ki-Whan Chi、Partha Sarathi Mukherjee
DOI:10.1039/c8cc01487f
日期:——
The reaction of chiral cis-[(1S,2S)-dch]Pt(NO3)2 (M) [where (1S,2S)-dch = (1S,2S)-1,2-diaminocyclohexane] with a hexadentate ligand (L) in 3 : 1 stoichiometric ratio yielded a [12+4] self-assembled chiral M12L4 molecular tetrahedron (T). The cage T features an internal 3D nanocavity with large open ‘windows’, enabling it to catalyze Michael addition reactions of a series of nitrostyrene derivatives