The action of malononitrile and ethyl cyanoacetate on diphenylcyclopropenone.

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概要

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

• 公益社団法人 日本化学会の論文

著者

• Agranat Israel

  Department Of Organic Chemistry The Hebrew University Of Jerusalem

• Boyd Gerhard

  Department of Chemistry, Chelsea College

• Wirt Mark

  Department of Chemistry, Chelsea College

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• The action of malononitrile and ethyl cyanoacetate on diphenylcyclopropenone.

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