申请人:Merck & Co., Inc.
公开号:US04254273A1
公开(公告)日:1981-03-03
Improved process for preparing esters of .alpha.-methyl-3,4-dihydroxyphenylalanine having pharmaceutical activity via novel N-(tert-butoxycarbonyl) intermediates.
通过新型N-(叔丁氧羰基)中间体改进制备具有药用活性的α-甲基-3,4-二羟基苯丙氨酸酯的过程。