Regioselective acylation of allyl sulphides viaα-silyl intermediates
作者:Kunio Hiroi、Lih-Ming Chen
DOI:10.1039/c39810000377
日期:——
Acylation of the α-trimethylsilylallyl sulphides (2) by reaction with the acid halides (3)(1·2 equiv.) in the presence of aluminium chloride (1·2 equiv.) in methylene dichloride at –78 °C gave compounds (4a–i) in good yields with extremely high regioselectivity.