焦磷酸四苄酯 、 [(2R,3S,4R,5R)-2-[[(2R,3R,4R,5S,6R)-3-[[(3R)-3-dodecanoyloxytetradecanoyl]amino]-5-[(3-oxo-1,5-dihydro-2,4,3lambda5-benzodioxaphosphepin-3-yl)oxy]-6-(phenylmethoxymethyl)-4-[(3R)-3-tetradecanoyloxytetradecanoyl]oxyoxan-2-yl]oxymethyl]-6-hydroxy-3-phenylmethoxy-5-[[(3R)-3-phenylmethoxytetradecanoyl]amino]oxan-4-yl] (3R)-3-phenylmethoxytetradecanoate 在
lithium hexamethyldisilazane 作用下,
以
四氢呋喃 、
正己烷 为溶剂,
以75%的产率得到[(2R,3R,4R,5S,6R)-2-bis(phenylmethoxy)phosphoryloxy-6-[[(2R,3R,4R,5S,6R)-3-[[(3R)-3-dodecanoyloxytetradecanoyl]amino]-5-[(3-oxo-1,5-dihydro-2,4,3lambda5-benzodioxaphosphepin-3-yl)oxy]-6-(phenylmethoxymethyl)-4-[(3R)-3-tetradecanoyloxytetradecanoyl]oxyoxan-2-yl]oxymethyl]-5-phenylmethoxy-3-[[(3R)-3-phenylmethoxytetradecanoyl]amino]oxan-4-yl] (3R)-3-phenylmethoxytetradecanoate