methyl 2-[[(2S)-4-methylsulfanyl-2-[[2-(prop-2-enoylamino)acetyl]amino]butanoyl]amino]acetate 、
3-(2',3',4',6'-tetra-O-benzyl-α-D-galactopyranosyl)prop-1-ene 在
substituted Grubbs-type ruthenium carbene complex 作用下,
以
二氯甲烷 为溶剂,
反应 18.0h,
以58%的产率得到methyl 2-[[(2S)-4-methylsulfanyl-2-[[2-[[(E)-4-[(2R,3S,4R,5S,6R)-3,4,5-tris(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]but-2-enoyl]amino]acetyl]amino]butanoyl]amino]acetate