((S)-1-{(S)-1-[(1S,3R)-3-methyl-1-((2S,4R)-4-methyl-5-oxo-tetrahydro-furan-2-yl)-hept-6-enylcarbamoyl]-ethylcarbamoyl}-hex-5-enyl)-carbamic acid tert-butyl ester 在
tri(cycloxexyl)phosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidene][benzylidene]ruthenium(IV) dichloride 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
生成 tert-butyl N-[(3S,6S,10Z,14R,16S)-3,14-dimethyl-16-[(2S,4R)-4-methyl-5-oxooxolan-2-yl]-2,5-dioxo-1,4-diazacyclohexadec-10-en-6-yl]carbamate 、 tert-butyl N-[(3S,6S,10E,14R,16S)-3,14-dimethyl-16-[(2S,4R)-4-methyl-5-oxooxolan-2-yl]-2,5-dioxo-1,4-diazacyclohexadec-10-en-6-yl]carbamate