The present invention is directed to novel synthetic methods for preparing a spiro cyclopropyl indolinone compound represented by Structural Formula (A): (A) or its pharmaceutically acceptable salt thereof. Also included are synthetic intermediates described herein.
本发明涉及一种新的合成方法,用于制备由结构式(A)表示的螺环丙基
吲哚酮化合物或其药学上可接受的盐。本发明还包括本文所述的合成中间体。