专利检索 ap:("FIRMENICH SA") AND inv:"GIERSCH, Wolfgang" 第 1 页

1.

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

公开(公告)号：EP1615868A1

公开(公告)日：2006-01-18

申请号：EP04725117.8

申请日：2004-04-01

申请人： FIRMENICH SA

发明人： NAEF, Ferdinand , GIERSCH, Wolfgang

IPC分类号： C07C45/59

CPC分类号： B01J21/066 , B01J23/06 , B01J23/34 , C07C45/57 , C07C45/59 , C07C45/60 , C07C47/21 , C07C47/225 , C07C49/04 , C07C49/21

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.