甲基磺酰氯 、 1L-1,7-Anhydro-3,4-di-O-benzyl-1-C-hydroxymethyl-5,6-O-isopropyliden-2-O-methyl-chiro-inosit 在
sodium methylate 作用下,
生成
1L-1,7-Anhydro-3,4-di-O-benzyl-1-C-hydroxymethyl-6-O-methylsulfonyl-2-Omethyl-chiro-inosit 、 1L-1,2-Anhydro-4,5-di-O-benzyl-1-C-hydroxymethyl-6-O-methyl-myo-inosit 、 1L-1,2-Anhydro-4,5-di-O-benzyl-2-C-hydroxymethyl-3-O-methyl-myo-inosit