Part-I - Controller General of Patents Designs and Trademarks

(12) PATENT APPLICATION PUBLICATION (21) Application No.2596/MUM/2010 A
(19) INDIA
(22) Date of filing of Application :17/09/2010 (43) Publication Date : 21/06/2013
(54) Title of the invention : A PROCESS FOR THE PREPARATION OF ROSUVASTATIN CALCIUM
(51) International classification
:C07D
405/06;
C07D
239/22
(31) Priority Document No :NA
(32) Priority Date :NA
(33) Name of priority country :NA
(86) International Application No
:NA
Filing Date
:NA
(87) International Publication No : NA
(61) Patent of Addition to Application Number :NA
Filing Date
:NA
(62) Divisional to Application Number
:NA
Filing Date
:NA
(71)Name of Applicant :
1)ENALTEC LABS PRIVATE LIMITED.
Address of Applicant :17TH FLOOR, KESAR SOLITAIRE,
PLOT NO.5 SECTOR 19, SANPADA,NAVI MUMBAI
MAHARASHTRA, PIN CODE: 400705 INDIA Maharashtra
India
(72)Name of Inventor :
1)SIVA KUMAR VENKATA BOBBA
2)ALOK PRAMOD TRIPATHI
3)SANJAY DASHRATH VAIDYA
4)ESWARA RAO KODALI
5)GIRISH BANSILAL PATEL
(57) Abstract :
The present invention relates to a process for the preparation of rosuvastatin calcium comprising reacting compound of structural
formula V with a compound of structural formula III to get a compound of structural formula IV and then converting a compound
of structural formula IV into rosuvastatin calcium compound of structural
No. of Pages : 18 No. of Claims : 10
The Patent Office Journal 21/06/2013 13482