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Synthesis 1987; 1987(7): 603-606
DOI: 10.1055/s-1987-28020
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Preparation of 1,2-Dienes by the Palladium-Catalyzed Hydrogenolysis of 3-Methoxycarbonyloxy-1-alkynes with Ammonium Formate

Jiro Tsuji* , Teruo Sugiura, Ichiro Minami
  • *Tokyo Institute of Technology, Meguro, Tokyo 152, Japan
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Publication Date:
20 August 2002 (online)

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A useful preparative method for 1,2-dienes from 3-methoxy-carbonyloxy-1-alkynes by the palladium-catalyzed hydrogenolysis with ammonium formate is described. 3-Methoxycarbonyloxy-1-alkynes are prepared by the addition of magnesium acetylide to ketones or aldehydes, followed by quenching with methyl chloroformate.

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