Among the members of a family of diastereoisomeric pentopyranosyl‐(4′→2′)‐oligonucleotide systems derived from D ‐ribose, D ‐xylose, L ‐lyxose, and L ‐arabinose, the α ‐arabinopyranosyl system shows by far the strongest Watson Crick base pairing. The system is, in fact, one of the strongest oligonucleotide‐type base‐pairing systems known. It undergoes efficient cross‐pairing with all the other members of the pentopyranosyl family, but not with RNA and DNA. The paper describes the synthesis and pairing of the properties of α ‐ L ‐arabinopyranosyl‐(4′→2′)‐oligonucleotides.
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Jungmann et al. (2003) studied this question.
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