[tert-butoxycarbonyl(pent-4-enoyl)amino] tert-butyl carbonate 、
(S)-4-allyl-1,3-dibenzyl-3,4-dihydro-1H-benzo[e][1,4]diazepine-2,5-dione 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
反应 48.0h,
以58%的产率得到tert-butyl (S)-((tert-butoxycarbonyl)oxy)(6-(1,3-dibenzyl-2,5-dioxo-1,2,3,5-tetrahydro-4H-benzo[e][1,4]diazepin-4-yl)hex-4-enoyl)carbamate