The present invention provides a method for the purification of a prostaglandin by supercritical fluid chromatography, said method comprising the use of a stationary phase and a mobile phase comprising carbon dioxide, provided that when the stationary phase is unmodified silica gel, the prostaglandin is not luprostiol. The invention also provides prostaglandins obtainable by the method.
DIFLUOROLACTAM COMPOSITIONS FOR EP4-MEDIATED OSTEO RELATED DISEASES AND CONDTIONS
申请人:Cayman Chemical Company, Inc.
公开号:US20170260173A1
公开(公告)日:2017-09-14
Disclosed herein are compositions and methods of treating osteroporosis, bone fracture, bone loss, and increasing bone density by administration of compounds of formula (I)
or compositions comprising a compound of formula (I) and a pharmaceutically acceptable carrier, wherein L
1
, L
2
, L
4
, R
1
, R
4
, R
5
, R
6
, and s are as defined in the specification.