Degradation of epothilones and ethynyl substituted epothilones

C - Chemistry – Metallurgy – 12 – P

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C12P 17/14 (2006.01) C07D 277/24 (2006.01) C07D 277/30 (2006.01) C07D 417/06 (2006.01) C07D 493/04 (2006.01) C07F 7/18 (2006.01) C12P 7/62 (2006.01) C12P 17/18 (2006.01)

Patent

CA 2437707

The invention concerns a process for a degradation of an epothilone C or a epothilone D, wherein an epothilone C or epothilone D is subjected to an olefin metathesis in the presence of ethylene and subsequently an optional ester hydrolysis. The invention further concerns (2-methyl-1,3-thiazol-4-yl)- ethynyl substitued epothilones (9). Formula (9).

La présente invention concerne, dans l'un de ses aspects, un procédé de dégradation d'une épothilone C ou d'une épothilone D. Ledit procédé consiste à soumettre l'épothilone C ou l'épothilone D à une métathèse des oléfines en présence d'éthylène, puis à une éventuelle hydrolyse des esters.

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