(R)-3-Dodecyloxy-tetradecanoic acid (R)-1-[((2S,3R,4R,5S,6R)-2,4-bis-benzyloxy-5-hydroxy-6-hydroxymethyl-tetrahydro-pyran-3-ylcarbamoyl)-methyl]-dodecyl ester 、
[(2R,3S,4R,5R,6R)-3-bis(phenylmethoxy)phosphoryloxy-2-(phenylmethoxymethyl)-6-(2,2,2-trichloroethanimidoyl)oxy-5-(2,2,2-trichloroethoxycarbonylamino)oxan-4-yl] (3R)-3-dodecoxytetradecanoate 在
三氟化硼乙醚 作用下,
以
二氯甲烷 为溶剂,
以56%的产率得到[(2R,3R,4R,5S,6R)-5-bis(phenylmethoxy)phosphoryloxy-2-[[(2R,3S,4R,5R,6S)-5-[[(3R)-3-[(3R)-3-dodecoxytetradecanoyl]oxytetradecanoyl]amino]-3-hydroxy-4,6-bis(phenylmethoxy)oxan-2-yl]methoxy]-6-(phenylmethoxymethyl)-3-(2,2,2-trichloroethoxycarbonylamino)oxan-4-yl] (3R)-3-dodecoxytetradecanoate