(2Z)-2-[(4R,4aS,7aS,12bS)-3-(cyclopropylmethyl)-4a,9-dihydroxy-2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7-ylidene]acetic acid 、
4,5α-epoxy-3,14β-dihydroxy-6,6E(carboxyethenyl)-17-(cyclopropylmethyl)morphinan 、
甘胺酸甲酯 在
(benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 、
三乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 16.0h,
生成 4,5α-epoxy-3,14β-dihydroxy-6,6Z(N-acryloylamino-acetic acid methyl ester)-17-(cyclopropylmethyl)morphinan 、 4,5α-epoxy-3,14β-dihydroxy-6,6E(N-acryloylamino-acetic acid methyl ester)-17-(cyclopropylmethyl)morphinan