[Fluoro-(2,2,8-trimethyl-6-phenyl-4H-[1,3]dioxino[4,5-c]pyridin-5-yl)-methyl]-phosphonic acid di-tert-butyl ester 在
甲醇 、 crude product 、
乙醚 、
水 作用下,
以
acetic acid monohydrate 为溶剂,
反应 48.0h,
以to give 80 mg of 38 as a white solid的产率得到[Fluoro-(5-hydroxy-4-hydroxymethyl-6-methyl-2-phenyl-pyridin-3-yl)-methyl]-phosphonic acid