allyl 4-O-acetyl-3-O-(tert-butyldimethylsilyl)-2,6-dideoxy-α-L-arabino-pyranoside 在
Grubbs catalyst first generation 作用下,
以
苯 为溶剂,
反应 42.0h,
以72%的产率得到Acetic acid (2S,3S,4S,6R)-6-{(E)-4-[(2R,4S,5S,6S)-5-acetoxy-4-(tert-butyl-dimethyl-silanyloxy)-6-methyl-tetrahydro-pyran-2-yloxy]-but-2-enyloxy}-4-(tert-butyl-dimethyl-silanyloxy)-2-methyl-tetrahydro-pyran-3-yl ester