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公开(公告)号:EP1322597A4
公开(公告)日:2005-10-19
申请号:EP01975197
申请日:2001-09-12
发明人: ELDRIDGE ANN M , HIEBL JOHANN
IPC分类号: C07D207/404 , A61K47/48 , C07C319/22 , C07C319/24 , C07C323/52 , C07C323/60 , C07D207/46 , C07C231/10
CPC分类号: C07D207/46 , A61K47/6803 , C07C319/22 , C07C319/24 , C07C323/60 , C07C323/52
摘要: Processes for preparing N-methyl-L-alanine derivatives and novel intermediates of the process. The derivatives and intermediates are useful for preparing cell-binding agent/maytansinoid complexes.