allyl 3-{(Z)-2-[(Z)-{3-(3-allyloxy-3-oxopropyl)-4-methyl-5-[(Z)-(4-methyl-5-oxo-3-vinyl-1H-pyrrol-2(5H)-ylidene)methyl]-2H-pyrrol-2-ylidene}methyl]-8-ethyl-9-methyl-7-oxo-1,4,5,7-tetrahydrodipyrrolo[1,2-a:2',3'-d]azepin-3-yl}propanoate 在
四(三苯基膦)钯 sodium 4-methylbenzenesulfinate 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 0.17h,
以90%的产率得到3-{(Z)-2-[(Z)-{3-(2-carboxyethyl)-4-methyl-5-[(Z)-(4-methyl-5-oxo-3-vinyl-1H-pyrrol-2(5H)-ylidene)methyl]-2H-pyrrol-2-ylidene}methyl]-8-ethyl-9-methyl-7-oxo-1,4,5,7-tetrahydrodipyrrolo[1,2-a:2',3'-d]azepin-3-yl}propanoic acid