申请人:The United States of America as represented by the Department of Health,
公开号:US04082781A1
公开(公告)日:1978-04-04
A method for synthesizing a 2-alkanoylamino-4-nitrophenyl phosphorylcholine-hydroxide useful as a sphingomyelinase-specific chromogenic artificial substrate in the diagnostic testing for Niemann-Pick disease. The method comprises reacting 2-amino-4-nitrophenol with an alkanoyl halide to form the alkananilide; phosphorylating the alkali phenolate salt of the alkananilide with .beta.-bromoethylphosphoryl dichloride to form a mixture of mono- and di-alkananilide phosphoric acid esters; recovering from the mixture the mono-alkananilide phosphoric acid ester and quaternizing it with trimethylamine; and treating the resulting quaternary salt with a mixture of weak acidic and weak basic ion exchange resins to convert it into the 2-alkanoylamino-4-nitrophenyl phosphoryl-choline-hydroxide.
合成一种2-烷酰胺基-4-硝基苯基磷酸胆碱羟化物的方法,可用作尼曼-匹克病的诊断测试中的鞘磷脂酶特异性显色人工底物。该方法包括将2-氨基-4-硝基苯酚与烷酰卤反应以形成烷基苯胺;用β-溴乙基磷酰二氯化物磷酸化烷基苯酚盐形成一种单烷基苯胺磷酸酯和二烷基苯胺磷酸酯的混合物;从混合物中回收单烷基苯胺磷酸酯并用三甲胺季铵化;然后用弱酸性和弱碱性离子交换树脂的混合物处理该季铵盐,将其转化为2-烷酰胺基-4-硝基苯基磷酸胆碱羟化物。