Abstract

AbstractThe synthesis of oligodeoxyribonucleotides on a cross‐linked polystyrene solid support utilizing stable mono‐ and dinucleotide phosphotriester building blocks is presented. The use of O6[2‐(p‐nitrophenyl)ethyl]‐2′‐deoxyguanosine derivatives yields cleaner DNA fragments by suppressing side reactions. Modifications improving the phosphotriester methodology are presented. The purification methods and analysis of synthetic oligodeoxyribonucleotides are described.

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