A Highly Stereoselective Synthesis of E-(But-1-en-3-yne-1-sulfonyl) hetarenes and Disubstituted 2-Benzothiazolyl Alkynes by Palladium Catalyzed Sonogashira Type Coupling of 2-Chlorovinylsulfones
A Highly Stereoselective Synthesis of E-(But-1-en-3-yne-1-sulfonyl) hetarenes and Disubstituted 2-Benzothiazolyl Alkynes by Palladium Catalyzed Sonogashira Type Coupling of 2-Chlorovinylsulfones