、 (E)-(S)-4-({(S)-2-[3-(3-Bromo-phenyl)-3-methyl-2-methylamino-butyrylamino]-3,3-dimethyl-butyryl}-methyl-amino)-2,5-dimethyl-hex-2-enoic acid ethyl ester 在
四(三苯基膦)钯 作用下,
以
乙腈 为溶剂,
反应 20.0h,
生成
(E)-(S)-4-({(S)-3,3-Dimethyl-2-[(S)-3-methyl-2-methylamino-3-(3-vinyl-phenyl)-butyrylamino]-butyryl}-methyl-amino)-2,5-dimethyl-hex-2-enoic acid ethyl ester 、 (E)-(S)-4-({(S)-3,3-Dimethyl-2-[(R)-3-methyl-2-methylamino-3-(3-vinyl-phenyl)-butyrylamino]-butyryl}-methyl-amino)-2,5-dimethyl-hex-2-enoic acid ethyl ester