| US 7,615,571 B2 | ||
| Process for manufacture of pure (2S, 3aS, 7aS)-1-[(2S)-2-[[(1S)-1-(ethoxycarbonyl) butyl]amino]-1-oxopropyl] octahydro-1H-indole-2-carboxylic acid and its tert. butyl amine salt | ||
| Sanjay Tukaram Gunjal, Mumbai (India); Dilip Uttam Jadhav, Mumbai (India); Ashok Kumar, Mumbai (India); Mathur Arpana, Thane (India); Nalinakshya Balaram Panda, Thane (India); and Satish Rajanikant Soudagar, Mumbai (India) | ||
| Assigned to IPCA Laboratories Ltd., Mumbai (India) | ||
| Filed on Jan. 03, 2006, as Appl. No. 11/324,349. | ||
| Application 11/324349 is a continuation in part of application No. 11/140226, filed on May 27, 2005, abandoned. | ||
| Claims priority of application No. 17.MUM.2005 (IN), filed on Jan. 06, 2005. | ||
| Prior Publication US 2007/0021490 A1, Jan. 25, 2007 | ||
| Int. Cl. A61K 31/403 (2006.01); C07D 209/12 (2006.01) | ||
| U.S. Cl. 514—412 [548/452] | 15 Claims |
1. A compound of general formula IVA,
![]() wherein R is an aryl alkyl group and wherein HA represents an acid capable of forming a salt.
|