发明授权
US5559268A Process for the efficient preparation of N-substituted dehydroamino acid esters 失效
制备N-取代的脱氢氨基酸酯的方法

Process for the efficient preparation of N-substituted dehydroamino acid
esters
摘要:
A process for the preparation of N-substituted dehydroamino acid esters by contacting a .beta.-hydroxy-.alpha.-amino acid ester or N- or O-substituted .beta.-hydroxy-.alpha.-amino acid ester with an excess of acetic anhydride and a base is disclosed.
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