Title:
PROCESS FOR PREPARATION OF N-[2-BUTYL-3-[4-[3-(DIBUTYLAMINO)PROPOXY]BENZOYL]-5-BENZOFURANYL]METHANESULFONAMIDE, ACID ADDITION SALTS AND PRODUCT THEREOF
Document Type and Number:
WIPO Patent Application WO/2012/004658
Kind Code:
A3
Abstract:
The present invention relates to a process for the preparation of highly pure N- [2- butyl -3- [4- [3- (dibutylamino) propoxy] benzoyl] -5- benzofuranyljmethanesulfonamide and pharmaceutically acceptable salts thereof having HPLC purity greater than 99.5%.
Inventors:
KUMAR RAJIV (IN)
TAMBE VIJAY (IN)
PATIL SANJAY (IN)
CHAVAN KISHOR (IN)
NAIM SYED SHAWKAT (IN)
DANDALA RAMESH (IN)
TAMBE VIJAY (IN)
PATIL SANJAY (IN)
CHAVAN KISHOR (IN)
NAIM SYED SHAWKAT (IN)
DANDALA RAMESH (IN)
Application Number:
PCT/IB2011/001593
Publication Date:
May 18, 2012
Filing Date:
July 08, 2011
Export Citation:
Assignee:
FRICHEM PRIVATE LTD (IN)
KUMAR RAJIV (IN)
TAMBE VIJAY (IN)
PATIL SANJAY (IN)
CHAVAN KISHOR (IN)
NAIM SYED SHAWKAT (IN)
DANDALA RAMESH (IN)
KUMAR RAJIV (IN)
TAMBE VIJAY (IN)
PATIL SANJAY (IN)
CHAVAN KISHOR (IN)
NAIM SYED SHAWKAT (IN)
DANDALA RAMESH (IN)
International Classes:
C07D307/80
Domestic Patent References:
| WO2002048132A1 | 2002-06-20 | |||
| WO2002048078A1 | 2002-06-20 | |||
| WO2011070380A1 | 2011-06-16 |
Foreign References:
| EP0471609A1 | 1992-02-19 | |||
| EP2371808A1 | 2011-10-05 | |||
| EP2371824A1 | 2011-10-05 |
Other References:
ANONYMOUSLY: "Publication Number IPCOM000193200D : Solid state formsof (N-(2-butyl)-3-(4-(3-(dibutylamino)propoxy)benzoyl)benzofuran-5-yl)methanesulfonamide hydrochloride", IP.COM JOURNAL, vol. 10, no. 2B, 14 February 2010 (2010-02-14), pages 1 - 6, XP002664270
Attorney, Agent or Firm:
NAIR, Manoj, Vasudevan (709/710 Tolstoy House,15-17 Tolstoy Marg, New Delhi - 1, IN)
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