公开(公告)号：US3838029A

公开(公告)日：1974-09-24

申请号：US33853373

申请日：1973-03-06

Applicant: BASF AG

Inventor： FISCHER M ,  HORN D ,  FEICHTMAYR F ,  WIERSDORFF W ,  NUERRENBACH A

IPC: C07C403/20 ,  C07C47/45 ,  C07C67/00 ,  C07C401/00 ,  C07C403/00 ,  C07C403/08 ,  C07C403/12 ,  C07G13/00

CPC classification number: C07C403/12 ,  C07B2200/09 ,  C07C403/20 ,  C07C2601/16

Abstract: THE INVENTION RELATES TO THE ISOMERIZATION OF CIS-VITAMIN A COMPOUNDS AND THEIR DERIVATIVES INTO THE ALL-TRANS ISOMERS BY THE ACTION OF LIGHT ON SENSITIZERS IN THE PRESENCE OF THE CIS-ISOMERS.