(3aR,5R,6S,6aR)-2,2-dimethyl-5-[1-(4-methylphenyl)sulfonyl-3-nitropropan-2-yl]-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-6-ol 在
silver(l) oxide 、
碘甲烷 作用下,
反应 6.0h,
以62%的产率得到(1S,2R,6R,8R)-4,4-dimethyl-9-[(4-methylphenyl)sulfonylmethyl]-10-nitro-3,5,7,11-tetraoxatricyclo[6.3.0.02,6]undecane