3-O-(4-O-β-D-mannopyranosyl-α-L-rhamnopyranosyl)-α-D-galactopyranose peracetate 、 alkaline earth salt of/the/ methylsulfuric acid 在
磷酸 作用下,
反应 2.0h,
以43%的产率得到3-O-(4-O-β-D-mannopyranosyl-α-L-rhamnopyranosyl)-α-D-galactopyranosyl phosphate trethylammonium salt