Convenient Synthesis of 2,4-Disubstituted Tetrahydrothiophenes from Mannich's Adducts
作者:Hedi M'rabet、Mohamed Ould M'hamed、Mohamed Lotfi Efrit
DOI:10.1080/00397910802573148
日期:2009.4.7
Ammonium salts of -functionalized allylic amines 1 were successfully employed as electrophilic agents with functional thiols. The obtained intermediate 2 underwent intramolecular cyclization in the presence of potassium tert-butoxide to afford 2,4-disubstituted tetrahydrothiophenes 3.