1977•Bulletin of the Chemical Society of JapanRequires access

The Action of Malononitrile and Ethyl Cyanoacetate on Diphenylcydopropenone

Israel Agranat, Gerhard V. Boyd, Mark A. Wirt

Abstract

Abstract Diphenylcydopropenone reacts with malononitrile in the presence of ethanolic sodium methoxide to yield, after acidification, (E)-1,1-dicyano-2-hydroxy-3,4-diphenyl-1,3-butadiene (1a); an analogous product, ethyl (2Z, 4E)-2-cyano-3-hydroxy- 4,5-diphenyl- 2,4-pentadienoate (1b), is formed from ethyl cyanoacetate.

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Key concepts: Malononitrile, Chemistry, Ethyl cyanoacetate, Sodium methoxide, Yield (engineering), Medicinal chemistry, Organic chemistry, Methanol