tert-Butyl-dimethyl-[(2R,3R,4S,5R,6S)-3,4,5-tris-benzyloxy-6-((2R,3R,4S,5R,6S)-4,5-bis-benzyloxy-2-benzyloxymethyl-6-phenylsulfanyl-tetrahydro-pyran-3-yloxy)-tetrahydro-pyran-2-ylmethoxy]-silane 在
naphthalen-1-yl-lithium 作用下,
以
四氢呋喃 为溶剂,
以99%的产率得到tert-Butyl-dimethyl-[(2R,3R,4S,5R,6S)-3,4,5-tris-benzyloxy-6-((2R,3S,4R)-4-benzyloxy-2-benzyloxymethyl-3,4-dihydro-2H-pyran-3-yloxy)-tetrahydro-pyran-2-ylmethoxy]-silane