|
US 6,982,333 B2 |
|
Intermediates in the synthesis of camptothecin and related compounds and synthesis thereof |
Dennis P. Curran, Pittsburgh, Pa. (US); Hubert Josien, Hoboken, N.J. (US); and Sung Bo Ko, Taejon (Korea, Republic of) |
Assigned to University of Pittsburgh, Pittsburgh, Pa. (US) |
Filed on Sep. 16, 2003, as Appl. No. 10/663,605. |
Application 10/663605 is a division of application No. 09/815459, filed on Mar. 23, 2001, granted, now 6,620,937. |
Application 09/815459 is a division of application No. 09/007872, filed on Jan. 15, 1998, granted, now 6,211,371. |
Application 09/007872 is a continuation of application No. 08/436799, filed on May 05, 1995, abandoned. |
Application 08/436799 is a continuation in part of application No. 08/085190, filed on Jun. 30, 1993, abandoned. |
Prior Publication US 2004/0063947 A1, Apr. 01, 2004 |
Int. Cl. C07F 7/02 (2006.01); C07F 7/10 (2006.01)
|