Compounds of the formulae, ##STR1## are provided where L is a linking group of the formula, ##STR2## is --Sn(n--C.sub.4 H.sub.9).sub.3 or --Sn(CH.sub.3).sub.3, HgCl or --N.sub.2.sup.+ ; R is hydrogen, methyl, mono-, di- or oligosaccharide; and R' is methyl. The compounds are site-specifically halogenated or radiohalogenated at the A group and coupled with macromolecules such as monoclonal antibodies, peptides or other proteins.
提供了以下
化学式的化合物:##STR1## 其中L是一个连接基团的
化学式,##STR2## 是--Sn(n--C.sub.4 H.sub.9).sub.3或--Sn(CH.sub.3).sub.3,HgCl或--N.sub.2.sup.+;R是氢、甲基、
单糖、二糖或
寡糖;R'是甲基。这些化合物可以在A基团上进行位点特异性卤代或放射卤代,并与大分子如单克隆
抗体、肽或其他蛋白质偶联。