公开(公告)号：US3657434A

公开(公告)日：1972-04-18

申请号：US3657434D

申请日：1969-09-17

Applicant: HOECHST AG

Inventor： RADSCHEIT KURT ,  HAEDE WERNER ,  SCHRODER HANS-GEORG ,  FRITSCH WERNER

IPC: C07C169/36 ,  C07C175/00

CPC classification number: C07J17/00

Abstract: 21-(CYCLOBUTYL-CARBOXYLIC ACID)-ESTERS OF 3-OXO$4-STEROIDS USEFUL AS ANTI-INFLAMMATORY AGENTS, AND THEIR MANUFACTURE BY REACTION OF CYCLOBUTANE CARBOXYLIC ACID CHLORIDE WITH CORRESPONDING 21-HYDROXY-STEROIDS.

公开(公告)号：US3621014A

公开(公告)日：1971-11-16

申请号：US3621014D

申请日：1969-01-14

Applicant: HOECHST AG

Inventor： STACHE ULRICH ,  HAEDE WERNER ,  FRITSCH WERNER ,  RADSCHEIT KURT ,  SCHRODER HANS-GEORG

IPC: A61K31/573 ,  A61K31/58 ,  C07J21/00 ,  C07C173/00

CPC classification number: A61K31/573 ,  A61K31/58 ,  C07J21/00

Abstract: The present invention relates to 17 Alpha ,21-orthocarbonates of steroid derivatives.