The present invention relates to an industrial synthetic method of an optically active cyclohexane ether compound (IIIa) or a salt thereof, which is useful as a pharmaceutical agent, and an intermediate useful for the production method of the present invention. The production method of the present invention is as shown below: wherein each symbol is as defined in the specification. According to the production method of the present invention, efficient and stable supply of an optically active cyclohexane ether compound (IIIa) in a high yield at a lower cost can be afforded. Therefore, an optically active cyclohexane ether compound (IIIa) extremely useful as a pharmaceutical agent can be provided by an industrially highly advantageous method.
本发明涉及一种工业合成方法,用于制备一种光学活性的
环己烷醚化合物(IIIa)或其盐,该化合物在制药上有用,并提供了一种用于本发明生产方法的
中间体。本发明的生产方法如下所示:其中每个符号如规范中定义。根据本发明的生产方法,可以以较低成本高产率地提供一种光学活性的
环己烷醚化合物(IIIa),从而提供了一种在工业上极具优势的方法,极其有用于制药的光学活性
环己烷醚化合物(IIIa)。