二苄基磷酰基氯 、 2,3,4-tri-O-acetyl-6-O-methyl-D-galactopyranose 在
正丁基锂 作用下,
生成 Acetic acid (2S,3R,4S,5S,6R)-4,5-diacetoxy-2-(bis-benzyloxy-phosphoryloxy)-6-methoxymethyl-tetrahydro-pyran-3-yl ester 、
Acetic acid (2R,3R,4S,5S,6R)-4,5-diacetoxy-2-(bis-benzyloxy-phosphoryloxy)-6-methoxymethyl-tetrahydro-pyran-3-yl ester