(2R,3r,4s,5r,6r)-3,4,5-三s(苄氧基)-2-溴-6-(3-苯基丙基)四氢-2H-吡喃 、
O-(2,3,4-Tri-O-benzyl-β-D-glucopyranosyl)-(1->6)-2,3,4-tri-O-benzyl-α-D-glucopyranosyl azide 在
2,6-二甲基吡啶 、 4 A molecular sieve 作用下,
以
二氯甲烷 为溶剂,
40.0 ℃
、800.0 MPa
条件下,
生成 (2R,3R,4S,5R,6R)-2-[[(2R,3R,4S,5R,6S)-6-azido-3,4,5-tris(phenylmethoxy)oxan-2-yl]methoxy]-3,4,5-tris(phenylmethoxy)-6-[[(2R,3R,4S,5R,6R)-3,4,5-tris(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]oxymethyl]oxane 、 (2R,3R,4S,5R,6R)-2-[[(2R,3R,4S,5R,6S)-6-azido-3,4,5-tris(phenylmethoxy)oxan-2-yl]methoxy]-3,4,5-tris(phenylmethoxy)-6-[[(2S,3R,4S,5R,6R)-3,4,5-tris(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]oxymethyl]oxane