Optically active aziridine-2-carboxylate derivatives and a process for preparing them
申请人:——
公开号:US20040030133A1
公开(公告)日:2004-02-12
This invention relates to compounds of Formula I having an aziridine-2-carboxylic group and a menthol group, a process for preparing such compounds, a method for obtaining optically active aziridine-2-carboxylate derivatives by optical resolution of such compounds, and optically active aziridine-2-carboxylate derivatives obtained by the same method:
1
wherein R
1
is hydrogen; alkyl; cycloalkyl; phenyl; 4-chlorophenyl; 4-methoxyphenyl; s-triazinyl or pyridinyl acyl; benzyl; hydrocarbon residue which may be substituted with a substituent selected from the group consisting of hydroxy, alkoxy, dialkylamino, phenyl, 4-chlorophenyl and 4-methoxyphenyl; 2,4-dimethoxyphenyl; substituted phenyl including (1R)-phenylethyl or (1S)-phenylethyl. Preferences are given to (1R)-phenylethyl and (1S)-phenylethyl. Menthol is selected from the group consisting of (+)-menthol and (−)-menthol.
本发明涉及具有氮杂环-2-羧基和薄荷基的I式化合物,制备这种化合物的方法,通过这种化合物的光学分辨法获得光学活性的氮杂环-2-羧酸酯衍生物的方法,以及通过相同方法获得的光学活性的氮杂环-2-羧酸酯衍生物:其中R1为氢;烷基;环烷基;苯基;4-氯苯基;4-甲氧基苯基;s-三嗪基或吡啶基酰基;苄基;烃基残基,其可能被选自羟基、烷氧基、二烷基氨基、苯基、4-氯苯基和4-甲氧基苯基的取代基取代;2,4-二甲氧基苯基;包括(1R)-苯乙基或(1S)-苯乙基的取代苯基。首选(1R)-苯乙基和(1S)-苯乙基。薄荷醇选自(+)-薄荷醇和(−)-薄荷醇。