EPOXYCARBOXYLIC ACID AMIDES, AZIDES AND AMINO ALCOHOLS AND PROCESSES FOR PREPARATION OF ALPHA-KETO AMIDES BY USING THEM
申请人:Seikagaku Corporation
公开号:EP1295876A1
公开(公告)日:2003-03-26
The present invention is to provide manufacturing intermediates which can be led to useful α-ketoamide compounds having protease-inhibiting activity extremely economically and stereoselectively, and to provide epoxycarboxamide compounds, azide compounds and amino alcohol compounds represented by the following formulae:
wherein R1 and R2 each represents alkyl group, alkenyl group, aromatic hydrocarbon group or heterocyclic group; R3 represents alkyl group, alkenyl group, aromatic hydrocarbon group, heterocyclic group, R6-O- or R7-N(R8)-; where R6 represents alkyl group, alkenyl group, aromatic hydrocarbon group or heterocyclic group; R7 and R8 each represents hydrogen atom, alkyl group, alkenyl group, aromatic hydrocarbon group or heterocyclic group, and, R4 and R5 represent the same groups as R7 and R8, respectively, and R4 and R5 optionally form a ring together; and X represents -O- or -N(R9)-, where R9 represents hydrogen atom or alkyl group, and X optionally forms a ring together with R4 or R5,
and processes for preparing α-keto amide compound using the same.
本发明旨在提供可极其经济地、立体选择性地生产出有用的、具有蛋白酶抑制活性的α-酮酰胺化合物的中间体,并提供由下式表示的环氧甲酰胺化合物、叠氮化合物和氨基醇化合物:
其中 R1 和 R2 各自代表烷基、烯基、芳香烃基或杂环基;R3 代表烷基、烯基、芳香烃基、杂环基、R6-O- 或 R7-N(R8)-;其中 R6 代表烷基、烯基、芳香烃基或杂环基;R7 和 R8 分别代表氢原子、烷基、烯基、芳香烃基或杂环基,并且,R4 和 R5 分别代表与 R7 和 R8 相同的基团,并且 R4 和 R5 有选择地共同形成一个环;以及 X 代表-O-或-N(R9)-,其中 R9 代表氢原子或烷基,并且 X 有选择地与 R4 或 R5 共同形成一个环、
以及用其制备α-酮酰胺化合物的工艺。