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:
Feb. 17, 1998
Filed:
May. 22, 1995
Applicant:
Inventors:
Hiroshi Ikawa, Tokyo, JP;
Hajime Matsumoto, Hachiohji, JP;
Assignee:
Fujirebio Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07C / ;
U.S. Cl.
CPC ...
549372 ; 564272 ; 564275 ; 564278 ; 564391 ; 564397 ; 564398 ;
Abstract
A method of producing a pantothenic acid derivative of formula (I): ##STR1## wherein each of R.sup.1 and R.sup.2 is different, and is a branched aliphatic hydrocarbon group having 3 to 5 carbon atoms, or a phenyl group; or a straight chain aliphatic hydrocarbon group having 5 to 10 carbon atoms, is provided, including methods of producing the starting materials for producing the same and novel amine derivative that can be used for the production of the pantothenic acid derivative.