Title:
CORTISTEROID-21-PHOSPHORIC ACID, SALT OF SAME AND MANUFACTURE OF CORTICOSTEROID-21-PHOSPHORIC ACID
Document Type and Number:
Japanese Patent JPS61115095
Kind Code:
A
Abstract:
Steroid-21-phosphoric acids and pharmaceutically usable salts thereof of the formula III III (in which U=H or CH3, V=H, OH, O or Hal; W=H or OH and Y=H or F) are obtained in a very pure state by reacting I I (in which X=OH or Hal) with an organic phosphoric acid ester of the formula IVa or IVb (in which Z=optionally substituted alkyl and R=alkyl). The compounds II II obtained thereby is saponified to give III and the latter, if appropriate, is neutralized to give the salt. Compounds II are new.
Inventors:
YOOAHIMU ENGERUSU
Application Number:
JP24815185A
Publication Date:
June 02, 1986
Filing Date:
November 07, 1985
Export Citation:
Assignee:
HOECHST AG
International Classes:
C07J51/00; (IPC1-7): C07J51/00
Attorney, Agent or Firm:
Chika Takagi