申请人:Kaneka Corporation
公开号:US06388086B1
公开(公告)日:2002-05-14
A process for producing a 3-(3-pyridyl)-1-propanol derivative of use as a pharmaceutical intermediate expediently with an inexpensive material is provided. The process is concerned with a 3-(3-pyridyl)-1-propanol derivative (3):
in the formula, R1 represents an alkyl group of 1 to 20 carbon atoms, aryl group of 6 to 20 carbon atoms or aralkyl group of 7 to 20 carbon atoms, which may be substituted, and
comprises reacting a 3-methylpyridine with a strong base to prepare a 3-methylpyridine metal (1):
in the formula, M represents lithium, sodium, potassium or a magnesium halide, where the halide is chloride or bromide,
and then reacting said metal salt with an epoxy compound (2):
提供了一种用廉价材料迅速生产用作制药中间体的3-(3-吡啶基)-1-丙醇衍生物的方法。该方法涉及到一种3-(3-吡啶基)-1-丙醇衍生物(3):在公式中,R1代表1至20个碳原子的烷基,6至20个碳原子的芳基或7至20个碳原子的芳基烷基,可以被取代,并包括用强碱反应3-甲基吡啶制备3-甲基吡啶金属盐(1):在公式中,M代表锂、钠、钾或卤化镁,其中卤化物是氯化物或溴化物,然后将该金属盐与环氧化合物(2)反应。