乙烯基异丁醚 、
(Z)-2-formyl-5-(triethylsilyloxy)-pent-2-enoic acid dimethylamide 以
二氯甲烷 为溶剂,
生成 6-isobutoxy-4-[2-(triethylsilyloxy)-ethyl]-5,6-dihydro-4H-pyran-3-carboxylic acid dimethylamide 、 6-isobutoxy-4-[2-(triethylsilyloxy)-ethyl]-5,6-dihydro-4H-pyran-3-carboxylic acid dimethylamide