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MODIFICATION OF THE H-PHOSPHONATE OLIGONUCLEOTIDE SYNTHESIS ON POLYMER SUPPORT
V. A. EFIMOV, I. Y. DUBEY
M. M. Shemyakin Institute of Bioorganic Chemistry, Academy of Sciences of the USSR, Moscow
Abstract: The mechanism of the internucleotide condensation and side-reactions in H-phosphonate approach has been investigated with the help of NMR-spectroscopy. On the basis of the results obtained a modification minimizing side-reactions in the course of the nucleotide component preactivation has been developed. It includes the use of acet-nitrile – quinoline (4:1) mixture as the solvent in coupling reactions. The efficiency of the method is illustrated by the synthesis of oligodeoxynucleotides.
Russian Journal of Bioorganic Chemistry 1990, 16 (2):211-218