US 6,982,280 B1 | ||
Epothilone derivatives, a method for the production thereof, and their use | ||
Gerhard Hoefle, Mascheroder Weg 1, D-38124 Braunschweig (Germany); and Thomas Leibold, Mascheroder Weg 1, D-38124 Braunschweig (Germany) | ||
Appl. No. 9/674,877 PCT Filed May 07, 1999, PCT No. PCT/EP99/03159 § 371(c)(1), (2), (4) Date Jan. 02, 2001, PCT Pub. No. WO99/58534, PCT Pub. Date Nov. 18, 1999. |
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Claims priority of application No. 198 20 599 (DE), filed on May 08, 1998. | ||
Int. Cl. A61K 31/365 (2006.01); C07D 493/02 (2006.01) |
U.S. Cl. 514—450 | 21 Claims |
1. A compound of the formula: ![]() wherein R1 is a H atom or a C1- to C8-alkyl group,
X—Y is a group of the formula —CH2CH(OP)— or —CH═CH—, and
P is a protecting group.
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