申请人:Japan Tobacco Inc.
公开号:US06476232B2
公开(公告)日:2002-11-05
A 4-(2-amino-1-hydroxyethyl)oxazoline derivative of the formula [XIII]
and a method for producing the same, in which R4 is an optionally substituted alkyl, an optionally substituted aryl, an optionally substituted heteroaryl, an optionally substituted aralkyl or an optionally substituted heteroarylalkyl, and R6 and R7 are the same or different and each is a hydrogen atom, an optionally substituted alkyl, an optionally substituted aryl, an optionally substituted heteroaryl or an optionally substituted aralkyl, or R6 and R7 combinedly form, together with the adjacent nitrogen atom, a hetero ring, the hetero ring being optionally substituted by halogen atom, alkyl, alkenyl, alkoxy, amino, alkoxycarbonyl, carboxamide or alkyl-substituted carbamoyl, an enantiomer thereof or a salt thereof.
一种公式为[XIII]的4-(2-氨基-1-羟乙基)噁唑啉衍生物及其制备方法,其中R4为可选取代的烷基、可选取代的芳基、可选取代的杂环芳基、可选取代的芳基烷基或可选取代的杂环芳基烷基;R6和R7相同或不同,分别为氢原子、可选取代的烷基、可选取代的芳基、可选取代的杂环芳基或可选取代的芳基烷基,或R6和R7与相邻的氮原子一起形成一个杂环,该杂环可选取代为卤素原子、烷基、烯基、烷氧基、氨基、烷氧羰基、羧酰胺或取代烷基的氨基甲酰基,其对映异构体或其盐。