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:
Oct. 04, 2005
Filed:
Feb. 18, 2003
Applicants:
Yasuhiko Sakamoto, Habikino, JP;
Takushi Kurihara, Sakai, JP;
Shinya Harusawa, Ibaraki, JP;
Inventors:
Assignee:
Azwell Inc., Osaka-Fu, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D401/06 ; C07F009/6506 ;
U.S. Cl.
CPC ...
Abstract
An improvement in the production of imidazole derivatives including histamine Hagonist immepip and histamine Hantagonist VUF4929. Desired imidazole derivatives can be easily obtained in high yield by using novel intermediates represented by the general formula (I): (I) wherein Ris an amino-protecting group; Rand Rare each independently hydrogen, lower alkyl, or hydroxylated lower alkyl; Ris lower alkyl, halogenated lower alkyl, or substituted or unsubstituted phenyl; and A is Calkylene