The subject of the invention is a novel procedure for the preparation of the compounds of formula I: ##STR1## in which n varies in particular from 2 to 5 and R represents Cl, Br or F Z represents in particular hydrogen, characterized in that the halogenoformate of formula II: ##STR2## R and n having the meanings indicated above, Y representing a halogen, is made to react with NH.sub.2 CH.sub.2 CH.sub.2 Cl to form the compound of formula Ia: ##STR3## in which R has the meanings indicated above, and in that the compound Ia is treated directly with nitrosylsulfuric acid.
该发明的主题是一种新颖的制备化合物I的方法:##STR1## 其中n特别在2到5之间变化,R代表Cl、Br或F,Z特别代表氢,其特征在于将式II的卤
甲酸酯:##STR2## R和n具有上述所指的含义,Y代表卤素,与NH.sub.2 CH.sub.2 CH.sub.2 Cl反应形成化合物Ia:##STR3## 其中R具有上述所指的含义,并且化合物Ia直接与
亚硝基硫酸反应。