发明公开
EP1615868A1 PROCESS FOR THE DIRECT CONVERSION OF LACTONES INTO UNSATURATED KETONES OR ALDEHYDES 审中-公开
程序非饱和酮或醛内酯直接转换

  • 专利标题: PROCESS FOR THE DIRECT CONVERSION OF LACTONES INTO UNSATURATED KETONES OR ALDEHYDES
  • 专利标题(中): 程序非饱和酮或醛内酯直接转换
  • 申请号: EP04725117.8
    申请日: 2004-04-01
  • 公开(公告)号: EP1615868A1
    公开(公告)日: 2006-01-18
  • 发明人: NAEF, FerdinandGIERSCH, Wolfgang
  • 申请人: FIRMENICH SA
  • 申请人地址: 1, route des Jeunes Case Postale 239 1211 Genève 8 CH
  • 专利权人: FIRMENICH SA
  • 当前专利权人: FIRMENICH SA
  • 当前专利权人地址: 1, route des Jeunes Case Postale 239 1211 Genève 8 CH
  • 代理机构: Schneiter, Sorin
  • 优先权: PCT/IB03/01426 20030410
  • 国际公布: WO2004089861 20041021
  • 主分类号: C07C45/59
  • IPC分类号: C07C45/59
PROCESS FOR THE DIRECT CONVERSION OF LACTONES INTO UNSATURATED KETONES OR ALDEHYDES
摘要:
The present invention refers to a process for the preparation of unsaturated ketones or aldehydes by pyrolysis of a lactone, in the presence of a reducing agent such as molecular hydrogen or a carboxylic acid, and in the presence of a catalyst, optionally supported, comprising at least one metal selected from the group consisting of Y, Ti, Cd, Mn, Zn, Sc and Zr.
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