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. 03, 1985
Filed:
Jan. 26, 1983
Applicant:
Inventors:
Kozo Fujii, Ube, JP;
Keigo Nishihira, Ube, JP;
Hiroyuki Sawada, Ube, JP;
Shuji Tanaka, Ube, JP;
Mamoru Nakai, Ube, JP;
Hiroshi Yoshida, Ube, JP;
Teruhiko Inoue, Ube, JP;
Kiyosi Oomori, Ube, JP;
Assignee:
UBE Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544326 ; 564397 ; 564398 ; 564472 ; 564473 ;
Abstract
There is disclosed a process for the preparation of a 2-alkyl-4-amino-5-aminomethylpyrimidine, which comprises subjecting a 2-alkyl-4-amino-5-formylpyrimidine to catalytic reaction with hydrogen and ammonia in the presence of a reduction catalyst. According to the process of this invention, the desired product can be obtained in much higher yield as compared with the processes known to the art.