Regioselective carbon-carbon bond formation at C2 of 1,3-thiazole by reaction of n-ethoxycarbonylthiazolium chloride with C-nucleophiles
作者:Alessandro Dondoni、Tiziano Dall'Occo、Giancarlo Fantin、Marco Fogagnolo、Alessandro Medici
DOI:10.1016/s0040-4039(01)91094-9
日期:1984.1
N-Ethoxycarbonylthiazolium chloride generated in situ from 1,3-thiazole and ethylchloroformate, treated with lithium carbanions of esters, Grignard reagents, silyl enol ethers and esters, undergo nucleophilic addition at C2 affording the corresponding 2-substituted N-ethoxycarbonylthiazolines.