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SYNTHESIS WITH α-CYANOENAMINES. 2-DIETHYLAMINO-4-LITHIO-4-PHENYLTHIO-2-BUTENONITRILE AS A β-CARBOXYL VINYL ANION EQUIVALENT.
Lombaert,Stephane de,Lesur, Brigitte,Ghosez, Leon
, p. 4251 - 4254 (1982)
The lithio derivative of 2-diethylamino-4-phenylthio-2-butenonitrile is a practical equivalent of the unknown β-carboxyl-vinyl anion, as shown by its facile alkylation with alkyl halides, aldehydes and α-enones, followed by hydrolysis, oxidation and elimination.
