(4R,5S,6S)-5-(tert-butyldimethylsilyloxy)-4-((tert-butyldimethylsilyloxy)-methyl)-2-phenyl-6-vinyl-5,6-dihydro-4H-1,3-oxazine 在
臭氧 、 sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以86%的产率得到(4R,5S,6S)-5-(tert-butyldimethylsilyloxy)-4-((tert-butyldimethylsilyloxy)-methyl)-2-phenyl-6-vinyl-5,6-dihydro-4H-1,3-oxazin-6-yl-methanol