Title:
NOVEL PROCESS FOR THE SYNTHESIS OF INDOLINE DERIVATIVES
Document Type and Number:
WIPO Patent Application WO/2012/131710
Kind Code:
A3
Abstract:
The present invention provides a process for the synthesis of indoline intermidiate useful in the synthesis of α-1 adrenoceptor blockers such as silodosin. Indoline intermediate has following formula: (where R is hydroxy or protecting group) and is preferably a tartrate salt.
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Inventors:
JAIN RAJESH (IN)
RAO JAGADEESHWAR R (IN)
RAO SIRIPRAGADA MAHENDER (IN)
RAO JAGADEESHWAR R (IN)
RAO SIRIPRAGADA MAHENDER (IN)
Application Number:
PCT/IN2012/000201
Publication Date:
March 14, 2013
Filing Date:
March 27, 2012
Export Citation:
Assignee:
PANACEA BIOTEC LTD (IN)
JAIN RAJESH (IN)
RAO JAGADEESHWAR R (IN)
RAO SIRIPRAGADA MAHENDER (IN)
JAIN RAJESH (IN)
RAO JAGADEESHWAR R (IN)
RAO SIRIPRAGADA MAHENDER (IN)
International Classes:
C07D209/08
Domestic Patent References:
| WO2011124704A1 | 2011-10-13 |
Foreign References:
| JP2001199956A | 2001-07-24 | |||
| EP1806340A1 | 2007-07-11 | |||
| EP1415666A1 | 2004-05-06 | |||
| CN101993406A | 2011-03-30 | |||
| CN101993407A | 2011-03-30 |
Other References:
JERRY MARCH ED - MARCH J: "Advanced Organic Chemistry, Passage", 1 January 1977, ADVANCED ORGANIC CHEMISTRY : REACTIONS, MECHANISMS, AND STRUCTURE; [MCGRAW-HILL SERIES IN ADVANCED CHEMISTRY], MCGRAW-HILL, NEW YORK [U.A.], PAGE(S) 1116 - 1127, ISBN: 978-0-07-085540-3, XP002644343
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