[3S,4S,5R,6R]-3-O-tert-butyl(dimethyl)silyl-6-(2-({ethyloxy}carbonyl)ethenyl)-4,5-O-(1-methylethylidene)-3,4,5-trihydroxycyclohexan-1-one 1,3-propanedithioketal 在
sodium acetate 、
对甲苯磺酰肼 作用下,
以
四氢呋喃 、
水 为溶剂,
反应 8.0h,
以94%的产率得到[3S,4S,5R,6R]-3-O-tert-butyl(dimethyl)silyl-6-(2-({ethyloxy}carbonyl)ethyl)-4,5-O-(1-methylethylidene)-3,4,5-trihydroxycyclohexan-1-one 1,3-propanedithioketal