在
偶氮二异丁腈 、
三正丁基氢锡 作用下,
以
甲苯 为溶剂,
反应 16.0h,
以84%的产率得到2,2-Dimethyl-propionic acid (2R,4aR,6R,7R,8S,8aR)-8-(2,2-dimethyl-propionyloxy)-6-[(2R,4aR,6R,7R,8aS)-7-(2,2-dimethyl-propionyloxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy]-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester