[(4R,4aR,7S,7aS)-4-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-6-oxo-tetrahydro-furo[3,2-d][1,3]dioxin-7-yl]-urea 以
溶剂黄146 为溶剂,
反应 1.0h,
以79%的产率得到(S)-5-[(4S,5R,6S)-6-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-5-hydroxy-2,2-dimethyl-[1,3]dioxan-4-yl]-imidazolidine-2,4-dione