申请人:ENDOCYTE, INC.
公开号:US20160016993A1
公开(公告)日:2016-01-21
The invention described herein pertains to processes for preparing tubulysins and derivatives thereof. The invention described herein also pertains to processes for preparing tubulysin conjugates. The invention described herein also pertains to processes for preparing intermediates for preparing tubulysin conjugates. In one step, the alpha-thiazolyl alcohol is protected with triethylsilyl chloride in the presence of imidazole in an aprotic solvent.