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:
Jul. 03, 2012
Filed:
Dec. 11, 2007
Ramesh Dandala, Hyderabad, IN;
Sambhu Prasad Sarma Mallela, Hyderabad, IN;
Sukumar Nandi, Hyderabad, IN;
Gangadhar Bhima Shankar Nangi, Hyderabad, IN;
Sunil Kumar Buridipadu, Hyderabad, IN;
Sivakumaran Meenakshisunderam, Hyderabad, IN;
Ramesh Dandala, Hyderabad, IN;
Sambhu Prasad Sarma Mallela, Hyderabad, IN;
Sukumar Nandi, Hyderabad, IN;
Gangadhar Bhima Shankar Nangi, Hyderabad, IN;
Sunil Kumar Buridipadu, Hyderabad, IN;
Sivakumaran Meenakshisunderam, Hyderabad, IN;
Aurobindo Pharma Ltd., Hyderabad, IN;
Abstract
The present invention relates to an improved process for preparing (2E)-3-[4-(4-fluorophenyl)-6-iso-propyl-2-(N-methyl-N-methylsulfonylamino)pyrimidin-5-yl]-propenal of Formula I which is an intermediate useful in the preparation of bis[(E)-7-[4-(4-fluorophenyl)-6-isopropyl-2-[methyl(methylsulfonyl)amino]pyrimidin-5-yl](3R,5S)-3,5-dihydroxyhept-6-enoicacid]calcium salt of Formula II.