The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 29, 1976
Filed:
Jun. 20, 1974
Applicant:
Inventors:
Hirotomo Masuya, Kobe, JA;
Takuichi Miki, Amagasaki, JA;
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J / ;
U.S. Cl.
CPC ...
26039745 ; 2602 / ;
Abstract
There is disclosed a process for preparing 17.alpha.-hydroxy corticoid 21-phosphate which comprises reacting a compound selected from the group consisting of 17.alpha.,21-dihydroxy corticoid and 11, 17.alpha.,21-trihydroxy corticoid with pyrophosphoryl tetrachloride, subjecting the reaction mixture to a hydrolyzing agent and recovering the objective 17.alpha.-hydroxy corticoid 21-phosphate or 11, 17.alpha.-dihydroxy corticoid 21-phosphate from the hydrolysis reaction medium.
Masuya, Hirotomo. (1976). Production of 21-phosphate corticords having unprotected hydroxyl (U.S. Patent No. 3966778). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3966778
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile