The present application relate to process for preparation of tetrahydrofuran compound of formula II, 4-Methylene tetrahydrofuran compound of formula V and tetrahydropyran compound of formula IX which are useful as intermediates for the preparation of halichondrin B analogues such as Eribulin or its pharmaceutically acceptable salts.
本申请涉及制备式 II 的
四氢呋喃化合物、式 V 的 4-亚甲基
四氢呋喃化合物和式 IX 的
四氢吡喃化合物的工艺,这些化合物可用作制备卤化菊酯 B 类似物(如 Eribulin 或其药学上可接受的盐)的中间体。