| US 7,507,814 B2 | ||
| Process for preparation of imipenem | ||
| Hyun Seop Bae, Seoul (Korea, Republic of); Tae Seop Hwang, Suwon (Korea, Republic of); Chan Yong Ahn, Ansan (Korea, Republic of); Chang Hoon Oh, Siheung (Korea, Republic of); and Moo Sung Kim, Suwon (Korea, Republic of) | ||
| Assigned to Choongwae Pharm. Co., Seoul (Korea, Republic of) | ||
| Appl. No. 10/563,250 PCT Filed Dec. 09, 2004, PCT No. PCT/KR2004/003224 § 371(c)(1), (2), (4) Date Jan. 04, 2006, PCT Pub. No. WO2005/056553, PCT Pub. Date Jun. 23, 2005. |
||
| Claims priority of application No. 10-2003-0088857 (KR), filed on Dec. 09, 2003. | ||
| Prior Publication US 2006/0167243 A1, Jul. 27, 2006 | ||
| Int. Cl. C07D 477/20 (2006.01); C07D 477/18 (2006.01) | ||
| U.S. Cl. 540—350 | 9 Claims |
1. A compound of Formula II below:
 wherein
R1 is a p-nitrobenzyl or p-methoxybenzyl group; and R2 and R3 may be identical to or different from each other and are each independently a C1˜6 alkyl or aryl group.
|