Method for substituting a substitution compound for the hydrogen of a support bound primary hydroxyl group. The support bound primary hydroxyl group is treated in an organic, substantially anhydrous solvent in the presence of a tertiary amine base and the substitution compound....http://www.google.de/patents/US5319079?utm_source=gb-gplus-sharePatent US5319079 - Process for terminal substituting of a polynucleotide
