(2R,3S,4S,5R,6R)-2-Hydroxymethyl-6-(3-hydroxy-2-methyl-tetrahydro-pyran-4-yloxy)-tetrahydro-pyran-3,4,5-triol 、
碘甲烷 在
sodium hydride 作用下,
生成
(2R,3R,4S,5R,6R)-3,4,5-Trimethoxy-2-methoxymethyl-6-(3-methoxy-2-methyl-tetrahydro-pyran-4-yloxy)-tetrahydro-pyran