In general, the invention features compounds useful for the synthesis of analogs of halichondrin B, such as eribulin or pharmaceutically acceptable salts thereof, e.g., eribulin mesylate. Exemplary compounds are of formula (I), (II), or (III):
一般来说,本发明的特点是化合物可用于合成卤化菊酯 B 的类似物,如
麦角林或其药学上可接受的盐,如
麦角林甲磺酸盐。示例化合物为式 (I)、(II) 或 (III):