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:
Dec. 09, 1997
Filed:
Jan. 06, 1997
Applicant:
Inventors:
Gareth J Griffiths, Visp, CH;
Gerhard C Stucky, Brig-Glis, CH;
Assignee:
Lonza Ltd., Gampel/Valais, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
5483335 ;
Abstract
A process for the preparation of 2-substituted 5-chloroimidazole-4-carbaldehydes of the general formula: ##STR1## in which glycine is reacted with an imido ester of the general formula: ##STR2## and the resultant intermediate is converted into the product by a Vilsmeier reagent. The 2-substituted 5-chloroimidazole-4-carbaldehydes are valuable intermediates for the preparation of pharmaceuticals or herbicidally active compounds.