摘要：

A process to produce by covalent binding conjugates of a substance containing a 2-amino-2-deoxyglycopyranosyl residue the NH-function of which in its most stable conformation is equatorially oriented, and a substrate containing a primary amino group. This is done by subjecting the substance to degradation by diazotation to form a substance fragment having a free terminal aldehydo group, said fragment through its aldehydo group being reacted with the amino group of the substrate to form a Schiffs base which is then by reduction converted to a secondary amine.

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