C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/237.1, 260/2
C07D 295/10 (2006.01) C07D 225/06 (2006.01) C07D 491/06 (2006.01)
Patent
CA 1113935
ABSTRACT OF THE DISCLOSURE Geldanamycin derivatives having the following formulae Image (I) wherein R1 represents a saturated alkylamino group which has at least two carbon atoms, an unsaturated alkylamino group, a sub- stituted lower alkylamino group, a cycloalkylamino group, a pyrrolidino group or an aralkylamino group or a methoxy group; R2 represents hydrogen atom, a halogen atom or a lower mono or dialkylamino group; provided that when R1 is methoxy group, R2 is a halogen atom or lower alkylamino group or Image (II) and the Geldanamycin Derivative 8,4-epoxy-Geldanamycin. The compounds are useful as antitumor drugs.
345489
Inoue Yukio
Sasaki Kazuya
Kaken Chemical Co. Ltd.
Marks & Clerk
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