A Novel Route to Methyl 3-(3,4-Disubstituted 5-alkylthio/amino-2-thienyl) propenoates
作者:A. Datta、H. Ila、H. Junjappa
DOI:10.1055/s-1988-27638
日期:——
The 3-oxodithioesters 1 and 3-oxothioamides 6 are shown to undergo base catalyzed S-alkylation with methyl 4-bromocrotonate followed by intramolecular condensation to give the corresponding methyl 3-(3,4-disubstituted 5-alkylthio/amino-2-thienyl) propenoates 5 and 7 in good yields.