甲基锂 、
{2-[(R)-2-(tert-Butyl-dimethyl-silanyloxy)-propyl]-[1,3]dithian-2-yl}-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-methanone 以
乙醚 为溶剂,
以98%的产率得到(R)-1-{2-[(R)-2-(tert-Butyl-dimethyl-silanyloxy)-propyl]-[1,3]dithian-2-yl}-1-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-ethanol