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:
May. 15, 1990
Filed:
Jan. 13, 1989
Applicant:
Inventors:
Viviane Massonneau, Ecully, FR;
Michel Mulhauser, Ecully, FR;
Claude Bonnamas, Commentry, FR;
Noel Rouy, Yerres, FR;
Assignee:
Rhone-Poulenc Sante, Antony, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
548336 ; 548338 ; 548339 ; 548340 ;
Abstract
Process for preparing 1-alkyl-5-nitroimidazoles of formula: ##STR1## which comprises reacting an alkyl sulphate with an imidazole derivative of general formula: ##STR2## in an organic solvent, and then hydrolyzing or alcoholyzing the product obtained. In the formulae (I) and (II), R denotes hydrogen, unsubstituted or substituted alkyl, aryl or cycloalkyl. In the formula (I), R.sub.1 denotes alkyl. In the formula (II), X denotes a group which can be removed by hydrolysis or alcoholysis.