4-{(3R,4S,5R,6R)-6-[(2S,3S)-3-((1R,2S)-1-Methyl-2-trimethylsilanyloxy-propyl)-oxiranylmethyl]-4,5-bis-trimethylsilanyloxy-tetrahydro-pyran-3-ylmethyl}-5H-furan-2-one 在
4-(dimethylamino)pyridine hydrochloride 作用下,
以
甲醇 为溶剂,
反应 4.0h,
以81%的产率得到4-{(3R,4S,5S,6R)-4,5-Dihydroxy-6-[(2S,3S)-3-((1S,2S)-2-hydroxy-1-methyl-propyl)-oxiranylmethyl]-tetrahydro-pyran-3-ylmethyl}-5H-furan-2-one