(E)-2-Formyl-3-(2,2,2-trichloro-acetylamino)-acrylic acid methyl ester 、
乙烯基乙醚 以
甲苯 为溶剂,
反应 20.0h,
生成 (4S,6R)-6-Ethoxy-4-(2,2,2-trichloro-acetylamino)-5,6-dihydro-4H-pyran-3-carboxylic acid methyl ester 、
(4S,6R)-6-Ethoxy-4-(2,2,2-trichloro-acetylamino)-5,6-dihydro-4H-pyran-3-carboxylic acid methyl ester