[Subject]
To provide optically active 4,4-di-substituted oxazolidine derivatives and procedures for their preparation.
[Means to solve the subject]
An optically active 4,4-di-substituted oxazolidine derivative having the general formula (I)
[wherein,
R1 represents a formyl group, a hydroxymethyl group, a group of formula COOR, a halogenated methyl group, a phosphonium methyl group, or the like,
R represents a C1-C6 alkyl group, or the like,
R2 represents a C1-C6 alkyl group, a C3-C10 cycloalkyl group, or the like,
R3 represents a C2-C6 alkanoyl group, a C1-C6 alkyloxycarbonyl group, or the like, and
R4 represents a C1-C6 alkyl group or a C2-C6 alkenyl group].
主题
提供具有光学活性的 4,4-二取代
噁唑烷衍
生物及其制备方法。
[解决本课题的方法]
具有通式 (I) 的光学活性的 4,4-二取代
恶唑烷衍
生物
其中
R1 代表甲酰基、
羟甲基、式 COOR 的基团、卤代
甲基、
鏻甲基或类似基团、
R 代表 C1-C6 烷基或类似基团、
R2 代表 C1-C6 烷基、C3-C10
环烷基或类似基团、
R3 代表 C2-C6 烷酰基、C1-C6 烷
氧羰基或类似基团,以及
R4 代表 C1-C6 烷基或 C2-C6
烯基]。