Hypervalent Iodine in Synthesis 53: Synthesis of 2,4-Disubstituted and 2,4,5-Trisubstituted 1,3-Selenazoles
作者:Peng-Fei Zhang、Zhen-Chu Chen
DOI:10.1055/s-2000-6407
日期:——
α-Tosyloxylation of ketones with [hydroxy(tosyloxy)iodo]benzene, followed by treatment with primary selenoamides provides a convenient method of synthesis of selenazoles without the use of lachrymatory and toxic α-haloketones. The synthetic method is simple, mild and the yields are higher.
Hypervalent iodine in synthesis 50: A novel method of synthesis of selenazoles by cyclocondensation of selenoamides and alkynyl(phenyl)iodonium salts
作者:Peng-Fei Zhang、Zhen-Chu Chen
DOI:10.1002/jhet.5570380233
日期:2001.3
A novel method for the synthesis of selenazoles by cyclocondensation of primary selenoamides and alkynyl(phenyl)iodomium salts and the reaction mechanism are reported. The synthetic method is simple, mild and the yields are high.