2,3,4-Tri-O-benzyl-D-xylopyranosyl fluoride 、
((2S,3R,4S,5S,6R)-2-Allyloxy-3,5-bis-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-4-yloxy)-trimethyl-silane 、 alkaline earth salt of/the/ methylsulfuric acid 以
二氯甲烷 为溶剂,
生成 (2S,3R,4S,5S,6R)-2-Allyloxy-3,5-bis-benzyloxy-6-benzyloxymethyl-4-((2S,3R,4S,5R)-3,4,5-tris-benzyloxy-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran 、
(2S,3R,4S,5S,6R)-2-Allyloxy-3,5-bis-benzyloxy-6-benzyloxymethyl-4-((2R,3R,4S,5R)-3,4,5-tris-benzyloxy-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran