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. 18, 2011
Filed:
Jun. 10, 2010
Venkataraman Sundaram, Hyderabad, IN;
Venkata Bhaskara Rao Uppala, Hyderabad, IN;
Surya Prabhakar Akundi, Hyderabad, IN;
Venkateswarlu Muvva, Hyderabad, IN;
Vijayawardhan Chitta, Warangal, IN;
Alekhya Donthula, Secunderabad, IN;
Manoj Ramesh Kharkar, Hyderabad, IN;
Surya Narayana Devarakonda, Hyderabad, IN;
Subba Reddy Peddireddy, Hyderabad, IN;
Venkataraman Sundaram, Hyderabad, IN;
Venkata Bhaskara Rao Uppala, Hyderabad, IN;
Surya Prabhakar Akundi, Hyderabad, IN;
Venkateswarlu Muvva, Hyderabad, IN;
Vijayawardhan Chitta, Warangal, IN;
Alekhya Donthula, Secunderabad, IN;
Manoj Ramesh Kharkar, Hyderabad, IN;
Surya Narayana Devarakonda, Hyderabad, IN;
Subba Reddy Peddireddy, Hyderabad, IN;
Dr. Reddy's Laboratories Limited, Hyderabad, Andhra Pradesh, IN;
Dr. Reddy's Laboratories, Inc., Bridgewater, NJ (US);
Abstract
Voriconazole is prepared by a process comprising condensing 1-(2,4-difluorophenyl)-2-(1H-1,2,4-triazole-1-yl)ethanone with 4-chloro-6-ethyl-5-fluoropyrimidine, in a ketone, ether, aliphatic hydrocarbon, or aromatic hydrocarbon solvent, to give (2R,3S/2S,3R)-3-(4-chloro-5-fluoropyrimidin-6-yl)-2-(2,4-diflurophenyl)-1-(1H -1,2,4-triazole-1-yl)butan-2-ol.