The present invention relates to an improved process for the preparation of Escitalopram of the Formula (I), which comprises, isolation of Diol compound as an oxalate salt, resolution of Diol compound and cyclization of resolved compound of Formula (VII). The present invention provides a process to obtain pure Diol compound by preparing its Oxalate salt, which is useful for resolution of enantiomers.
本发明涉及一种改进的制备恩替卡朵的方法,该方法包括将二醇化合物分离为
草酸盐、将二醇化合物分离并将分离的化合物环化为式(VII)。本发明提供了一种通过制备其
草酸盐来获得纯二醇化合物的方法,该方法对于拆分对映体是有用的。