Compounds of formula I
in which the -NH-B-D side chain may or may not be in the para position relative to the azide group; B is a hydrocarbyl amine residue containing at least five carbon atoms; D is a ligand or hapten; and each of R1 to R4, which may be the same or different, is a hydrogen or halogen atom or a C, -5 alkyl, nitro, carboxylic acid or amino group. and compounds that are acid-addition salts thereof are novel They can be used as intermediates in the preparation of non-radioactive biological probes of formula
in which P is a residue of a polynucleotide chain, a protein or carbohydrate and B,D and R1 to R4 are as defined.
式 I 的化合物,其中-NH-B-D 侧链可以位于或不位于相对于
叠氮基团的对位;B 是至少含有五个碳原子的烃基胺残基;D 是
配体或合体;以及 R1 至 R4(可以相同或不同)中的每一个是氢原子或卤素原子或 C,-5 烷基、硝基、
羧酸基团或
氨基。 这些化合物及其酸加成盐是新型的,它们可用作制备非放射性
生物探针的中间体,式中 P 是多核苷酸链、蛋白质或
碳水化合物的残基,B、D 和 R1 至 R4 如所定义。