METHODS FOR THE ISOLATION AND PURIFICATION OF ANSAMITOCINS

Title:

METHODS FOR THE ISOLATION AND PURIFICATION OF ANSAMITOCINS

Document Type and Number:

WIPO Patent Application WO2004015119

Kind Code:

A3

Abstract:

This invention relates to processes for the preparation of ansamitocins, in particular ansamitocins that can be converted to maytansinol.

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Inventors:

FULSTON MARK (GB)
STEFANSKA ANNA L (US)
THIRKETTLE JAN E (GB)

Application Number:

PCT/US2003/024642

Publication Date:

February 16, 2006

Filing Date:

August 07, 2003

Export Citation:

Assignee:

SMITHKLINE BEECHAM CORP (US)
FULSTON MARK (GB)
STEFANSKA ANNA L (US)
THIRKETTLE JAN E (GB)

International Classes:

C07D491/02; C07D498/14; C12P17/18; (IPC1-7): A61K31/71; C07D491/00; C07D498/16; C07D498/18

Foreign References:

Other References: