(1R,2R,3R)-1-(3,4-Dimethoxy-phenyl)-2,3-bis-hydroxymethyl-6,7-dimethoxy-1,2,3,4-tetrahydro-naphthalen-2-ol 在
对甲苯磺酸 吡啶 作用下,
反应 15.0h,
生成
[(2'S,4S,4'S)-4'-(3,4-dimethoxyphenyl)-6',7'-dimethoxy-2,2-dimethylspiro[1,3-dioxolane-4,3'-2,4-dihydro-1H-naphthalene]-2'-yl]methyl acetate