Selective liquid-phase hydrogenation of alpha, beta-unsaturated carbonyl compound

Selective liquid-phase hydrogenation of alpha, beta-unsaturated carbonyl compound

  • CN 1,234,385 A
  • Filed: 04/02/1999
  • Published: 11/10/1999
  • Est. Priority Date: 04/02/1998
  • Status: Abandoned Application
First Claim
Patent Images

1. one kind is used hydrogen in the presence of powdered palladium and/or rhodium catalyst and in the presence of organic bases, and with the α

  • of formula I, beta-unsaturated carbonyl compound carries out selective liquid-phase hydrogenation, with the method for the saturated carbonyl compound that obtains formula II, R wherein 1Be hydrogen or organic radical, R 2, R 3And R 4, independent of each other is hydrogen or C 1

    C 4Alkyl, This method is included in the filling bubble-column reactor that has product circulation and circulating hydrogen carries out hydrogenation.

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