A CONVENIENT SYNTHESIS OF FUNCTIONALIZED HETEROCYCLIC ENAMINES FROM ALPHA-THIOMINIUM SALTS AND ACTIVE METHYLENE COMPOUNDS UNDER SOLID-LIQUID PTC CONDITIONS
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Singh, Paramjut,Batra, Manohar S.,Singh, Harjit
p. 533 - 536
(2007/10/02)
Methods for Converting N-Alkyl Lactams to Vinylogous Urethanes and Vinylogous Amides via (Methylthio)alkylideniminium Salts
Treatment of enolizable (methylthio)alkylideniminium salts with active methylene compounds under basic conditions gives Knoevenagel-type adducts in excellent yields.Attempts to convert several of these adducts to vinylogous urethanes and vinylogous amides met with varied success.One-pot preparations of vinylogous urethanes and vinylogous amides from (methylthio)alkylideniminium salts and selected active methylene compounds are also described.
Gugelchuk, Mary M.,Hart, David J.,Tsai, Yeun-Min
p. 3671 - 3675
(2007/10/02)
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