Prevention of guanine modification and chain cleavage during the solid phase synthesis of oligonucleotides using phosphoramidite derivatives

作者: Richard T. Pon , Nassim Usman , Masad J. Damha , Kelvin K. Ogilvie

DOI: 10.1093/NAR/14.16.6453

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摘要: Phosphoramidite reagents can phosphitylate guanine bases at the O 6 -position during solid phase synthesis and serious chain cleavage occurs if the base phosphitylation is not …

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