丙酮 、
3,3-二甲氧基丙酸甲酯 、
1,4-酸酐-D-木糖醇 在
对甲苯磺酸 作用下,
反应 24.0h,
生成
2,2-dimethyl-4a,6,7,7a-tetrahydro-4H-furo[3,2-d][1,3]dioxin-7-ol 、 methyl 2-[(2S,4aR,7S,7aR)-7-hydroxy-4a,6,7,7a-tetrahydro-4H-furo[3,2-d][1,3]dioxin-2-yl]acetate 、 methyl 2-[(2S,4aS,7R,7aS)-7-hydroxy-4a,6,7,7a-tetrahydro-4H-furo[3,2-d][1,3]dioxin-2-yl]acetate 、 methyl 2-[(2R,4aS,7R,7aS)-7-hydroxy-4a,6,7,7a-tetrahydro-4H-furo[3,2-d][1,3]dioxin-2-yl]acetate 、 methyl 2-[(2R,4aR,7S,7aR)-7-hydroxy-4a,6,7,7a-tetrahydro-4H-furo[3,2-d][1,3]dioxin-2-yl]acetate