This invention provides compounds of formula 1 having the structure
wherein:
X, R1, R2, R3, R4, Z, X, and n are as defined hereinbefore in the specification, which are useful as antineoplastic agents and in the treatment of certain kidney diseases, such as polycystic kidney disease.
SUBSTITUTED QUINAZOLINE DERIVATIVES AND THEIR USE AS TYROSINE KINASE INHIBITORS
申请人:Wyeth Holdings Corporation
公开号:EP1000039B1
公开(公告)日:2004-06-09
CYTOTOXIC AGENTS COMPRISING NEW ANSAMITOCIN DERIVATIVES
申请人:ImmunoGen, Inc.
公开号:US20160058882A1
公开(公告)日:2016-03-03
New ansamitocin derivatives bearing a linking group are disclosed. Also disclosed are methods for the synthesis of these new ansamitocin derivatives and methods for their linkage to cell-binding agents. The ansamitocin derivative-cell-binding agent conjugates are useful as therapeutic agents, which are delivered specifically to target cells and are cytotoxic. These conjugates display vastly improved therapeutic efficacy in animal tumor models compared to the previously described agents.