Oleanolic acid phosphate was the reaction product of oleanolic acid with phosphoryl chloride and then converted into monosodium oleanolic acid phosphate.

• 本文首次报道了齐墩果酸磷酸酯单钠的合成。首先齐墩果酸与三氯氧磷作用生成其磷酸酯,然后转化成单钠盐。