An Easy Access to Variously Substituted Pyrroles Starting From Ketene Dithioacetals
作者:Geoffroy L. Sommen、Alain Comel、Gilbert Kirsch
DOI:10.1081/scc-200050365
日期:2005.3.1
Abstract Variouslysubstituted pyrroles 4 can easily be synthesized in two steps by reacting a primary or secondary amine and a ketene dithioacetal in a basic medium in moderate to good yield. Ketene dithioacetals 2 are readilypreparedfrom acetylaceton or malononitrile, carbon disulfide, and methyl iodide.