期刊
BULLETIN OF THE KOREAN CHEMICAL SOCIETY
卷 38, 期 10, 页码 1203-1208出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/bkcs.11248
关键词
Imidazole; Arylboronic acid; 2-(4-methoxybenzylidene)-N-phenylhydrazinecarbothioamide; 2,2'-(1,2-diphenylethane-1,2-diylidene)bis(hydrazinecarbothioamide); 2-(4-methoxybenzylidene)hydrazinecarbothioamide; N-arylation
资金
- Korean Chemical Society
The catalytic activity of three N, S-donor ligands, viz L1 [2-(4-methoxybenzylidene)-N-phenylhydrazinecarbothioamide], L2 [2,2'-(1,2-diphenylethane-1,2-diylidene) bis(hydrazinecarbothioamide)] and L3 [2-(4-methoxybenzylidene) hydrazinecarbothioamide] has been reported for N-arylation of imidazoles with arylboronic acids in ethanol at room temperature. The method was found to be applicable in N-arylation for a wide range of electronically diverse arylboronic acids with imidazoles having modest to excellent isolated yields. The in situ generated copper(II) complex of the ligand namely, 2-(4-methoxybenzylidene)- N-phenylhydrazinecarbothioamide (L1) was found to be highly efficient homogeneous catalyst for N-arylation reaction.
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