乙酸酐 、 (S)-2-({(2R,3R,4S,5S,6S)-5-[((2R,3R,4S,5S,6S)-5-tert-Butoxycarbonylamino-3,4-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-carbonyl)-amino]-3,4-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-carbonyl}-amino)-3-phenyl-propionic acid methyl ester 在
吡啶 作用下,
反应 16.0h,
以160 mg的产率得到(2,3,6-tri-O-acetyl-4-tert-butoxycarbonylamido-4-deoxy-β-D-glucopyranosyl)-C-carboxamido-4-N-(2,3,6-tri-O-acetyl-4-deoxy-β-D-glucopyranosyl)-C-carboxamido-N-L-phenylalanine methyl ester