An Improved Process For The Preparation Of Anastrozole

Abstract: A process for preparing anastrazole, comprising reacting 2,2'-(5-methyl-1,3-phenylene)-di-(2-methylpropionitrile with a brominating agent, in the presence of a free radical initiator, to form 2-[3-bromomethyl-5-chano-dimethyl--phenyl]-2-methyl-propioitrile.

Patent Information

Application #

Filing Date

31 October 2005

Publication Number

04/2008

Publication Type

INA

Invention Field

CHEMICAL

Status

Email

Parent Application

Applicants

DR. REDDY LABORATORIES LIMITED

7-1-27, AMMERPET, HYDERABAD

Inventors

1. MURKI VEERENDER

PLOT NO.71 NEW VASAVI NAGAR KHARKHANA, SECUNDERABAD

2. PALLE VENKATA RAGHAVENDRACHARYULU

5-194/A MYTHRI NAGAR MADINAGUDA, MIYAPUR HYDERABAD

3. PRASAD PANDURANG PANCHABHAI

DURWANKUR NIVAS SHIVSHILP COLONY SHIVAJI NAGAR A/P VAIRAG, TQ.BARSHI SOLAPUR DIST MAHARASHTRA

Specification

Documents

Application Documents

#	Name	Date
1	1589-CHE-2005 FORM-18 07-10-2009.pdf	2009-10-07
1	1589-CHE-2005_EXAMREPORT.pdf	2016-07-02
2	1589-che-2005-claims.pdf	2011-09-03
2	1589-che-2005-form 5.pdf	2011-09-03
3	1589-che-2005-form 3.pdf	2011-09-03
3	1589-che-2005-correspondnece-others.pdf	2011-09-03
4	1589-che-2005-form 1.pdf	2011-09-03
4	1589-che-2005-correspondnece-po.pdf	2011-09-03
5	1589-che-2005-description(complete).pdf	2011-09-03
5	1589-che-2005-drawings.pdf	2011-09-03
6	1589-che-2005-description(provisional).pdf	2011-09-03
7	1589-che-2005-description(complete).pdf	2011-09-03
7	1589-che-2005-drawings.pdf	2011-09-03
8	1589-che-2005-correspondnece-po.pdf	2011-09-03
8	1589-che-2005-form 1.pdf	2011-09-03
9	1589-che-2005-correspondnece-others.pdf	2011-09-03
9	1589-che-2005-form 3.pdf	2011-09-03
10	1589-che-2005-form 5.pdf	2011-09-03
10	1589-che-2005-claims.pdf	2011-09-03
11	1589-CHE-2005_EXAMREPORT.pdf	2016-07-02
11	1589-CHE-2005 FORM-18 07-10-2009.pdf	2009-10-07