4-Vinyl-1,3-dihydro-isoindole-2-carboxylic acid 5-methoxycarbonyl-pyrrolidin-3-yl ester 、
N-[(2R)-1,1,1-trifluorooct-7-en-2-yl]-L-valine 在
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
以89 mg的产率得到methyl N-[(1R)-1-(trifluoromethyl)hept-6-en-1-yl]-L-valyl-(4R)-4-{[(4-vinyl-1,3-dihydro-2H-isoindol-2-yl)carbonyl]oxy}-L-prolinate