公开(公告)号：US3711553A

公开(公告)日：1973-01-16

申请号：US3711553D

申请日：1969-02-24

Applicant: HOFFMANN LA ROCHE

Inventor： SCHMID H ,  ZSINDELY J

IPC: C07C45/51 ,  C07C49/647 ,  C07C49/653 ,  C11B9/00 ,  C07C49/36 ,  C07C49/38

CPC classification number: C11B9/0042 ,  C07C45/512 ,  C07C49/647 ,  C07C49/653

Abstract: TRICYCLO(3,2,1,0 2,7)-OCTEN-3-EN-8-ONES WHICH ARE USEFUL IN THE PERFUMERY ART AND A PROCESS FOR THEIR PREPARATION FROM PHENOLS INCLUDING INTERMEDIATES IN THIS PROCESS.