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. 13, 2006
Filed:
Jun. 03, 2003
Applicants:
Vladimir Naddaka, Lod, IL;
Shadi Saeed, Haifa, IL;
Dionne Montviliski, Givataim, IL;
Oded Arad, Rehovot, IL;
Joseph Kaspi, Givatayim, IL;
Inventors:
Vladimir Naddaka, Lod, IL;
Shadi Saeed, Haifa, IL;
Dionne Montviliski, Givataim, IL;
Oded Arad, Rehovot, IL;
Joseph Kaspi, Givatayim, IL;
Assignee:
Chemagis Ltd., Bnei Brak, IL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 231/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a process for preparing 1-methylindazole-3-carboxylic acid of formula (I): which comprises reacting a methylating agent with indazole-3-carboxylic acid of formula (VI): in the presence of an alkaline earth metal oxide or alkoxide in an appropriate solvent. Also provided is a process for producing Granisetron, using the method of the present invention for producing 1-methylindazole-3-carboxylic acid.