专利号:US-3948971-A 优先权日:1972-05-03 标题 :N-protected-α-amino acid compounds 发明人:VEBER DANIEL F; BRADY STEPHEN F 权利人:MERCK & CO INC 摘要:Novel N-protected-α-amino acid compounds are disclosed in which the amino functionality is protected by a 1-methylcyclobutyloxycarbonyl or 1-methylcyclohexyloxycarbonyl. Processes for the synthesis of amino acids containing these protecting groups and the use of these novel amino acid compounds in the preparation of peptides are also disclosed.
专利号:CN-119192087-A 优先权日:2024-08-27 标 题 :Chemical synthesis method of ergothioneine