Protein and polypeptid derivatives and th ir salts are claimed characteriz d in that a prot in or polypeptide is conjugated via an int rmediat grouping containing at least one radical of the formula —C(R)═N— (or —N═C(R)—) or —CH(R)—NH— (or —NH—CH(R)—), wherein R is hydrogen or a hydrocarbon residue which may be substituted, with the same or a different protein or polypeptide, with a reporter group or a cytotoxic agent as well as a process for their preparation and the novel intermediates therefor.
本发明涉及蛋白质和
多肽衍
生物及其盐,其特征在于通过至少含有一个公式为—C(R)═N—(或—N═C(R)—)或—CH(R)—NH—(或—NH—CH(R)—)的中间基团与相同或不同的蛋白质或
多肽结合,以及将报告基团或细胞毒性剂与其替代的氢或可被替代的碳氢残基的蛋白质或
多肽结合的方法和新的中间体。