[(2R,3R)-2,4-Bis-(tert-butyl-dimethyl-silanyloxy)-3-formyloxy-1-hydroxy-butyl]-phosphonic acid dimethyl ester 在
sodium methylate 作用下,
以
四氢呋喃 为溶剂,
反应 61.5h,
生成 (4R,5R)-3,4-Bis-(tert-butyl-dimethyl-silanyloxy)-5-(tert-butyl-dimethyl-silanyloxymethyl)-2-chloro-[1,2]oxaphospholane 2-oxide