One-pot synthesis of 2H-thiopyrans from β-amino enones.

Autor:	Karpov, I. D., Ovchinnikov, K. L., Kolobov, A. V.
Předmět:	CARBONYL compounds MALEIC anhydride DIENOPHILES MALEIMIDES DICHLOROMETHANE
Zdroj:	Russian Chemical Bulletin; May2023, Vol. 72 Issue 5, p1279-1282, 4p
Abstrakt:	A one-pot synthesis of 2H-thiopyrans from β-amino enones has been developed. Sequential treatment of β-amino enones with the Lawesson's reagent and electron-deficient dienophiles (maleic anhydride and maleimides) in dichloromethane gave 2H-thiopyran derivatives in 25—62% yields. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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