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:
Sep. 17, 1996
Filed:
Oct. 25, 1995
Mario Aoki, Minami-ashigara, JP;
Akira Ogawa, Minami-ashigara, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A process for producing a pyrazolecarboxamide derivative represented by formula (C) which comprises reacting a pyrazolecarboxylic ester compound represented by formula (A) with an amine compound represented by formula (B) in the presence of a Lewis acid: ##STR1## wherein R.sup.1 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group; R.sup.2 represents a substituted or unsubstituted alkyl group; and R.sup.3 and R.sup.4 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, provided that R.sup.3 and R.sup.4 may be bonded to each other to form a ring.