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DIFFERENT REGIOCHEMICAL OUTCOMES IN ANNULATION REACTIONS OF PYRIDINE-2-SULFENYL CHLORIDE WITH PHENYL VINYL CHALCOGENIDES AND ALLYL PHENYL CHALCOGENIDES
Abstract
Annulation reactions of pyridine-2-sulfenyl chloride with phenyl vinyl chalcogenides and allyl phenyl chalcogenides proceeded regioselectively, but with different regiochemical outcomes and led to the formation of new 2- and 3-substituted [1,3]thiazolo[3,2-a]pyridinium derivatives in 90–100% yields.
Keywords
allyl phenyl chalcogenides; 2,2'-disulfandiyldipyridine; phenyl vinyl chalcogenides; pyridine-2-sulfenyl chloride, [1,3]thiazolo[3,2-a]pyridine derivatives.
Latvian Institute of Organic Synthesis - Aizkraukles iela, 21, Riga, LV-1006, Latvia - hgs@osi.lv