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Nucleosides useful in the preparation of polynucleotides

DC
  • US 4,500,707 A
  • Filed: 03/16/1982
  • Issued: 02/19/1985
  • Est. Priority Date: 02/29/1980
  • Status: Expired due to Term
First Claim
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1. A compound of the formula:

  • ##STR12## wherein B is a nucleoside or deoxynucleoside base;

    R is H or a blocking group, A is H or OR;

    R'"'"' is a hydrocarbyl radical containing up to 10 carbon atoms and X is a amino group formed by removal of the hydrogen atom from a ring nitrogen of a nitrogen heterocyclic compound which contains unsaturation in the ring structure.

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