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