Alpha-morpholino ribonucleoside derivatives and polymers thereof
First Claim
1. A polymer composition comprised of α
- -morpholino subunit structures of the form;
##STR2## where (i) the structures are linked together by uncharged linkages, one to three atoms long, joining the morpholino nitrogen of one subunit to the 5'"'"', exocyclic carbon of an adjacent subunit, and (ii) Pi is a purine or pyrimidine base-pairing moiety effective to bind by base-specific hydrogen bonding to a base in a polynucleotide.
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Abstract
Alpha-morpholino subunits and polymer compositions composed of alpha-morpholino subunits are disclosed. These subunits can be linked together by uncharged linkages, one to three atoms in length, joining the morpholino nitrogen of one subunit to the 5'"'"' exocyclic carbon of an adjacent subunit. Each subunit contains a purine or pyrimidine base-pairing moiety effective to bind by hydrogen bonding to a specific base or base-pair in a target polynucleotide. The polymers of the present invention can be used in place of standard RNA or DNA oligomers for a number of standard laboratory procedures, for example, as probes in solid-phase systems and nucleic acid hybridization analyses. Further, the polymers of the present invention have potential use as therapeutic agents in anti-sense-type technologies.
866 Citations
16 Claims
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1. A polymer composition comprised of α
- -morpholino subunit structures of the form;
##STR2## where (i) the structures are linked together by uncharged linkages, one to three atoms long, joining the morpholino nitrogen of one subunit to the 5'"'"', exocyclic carbon of an adjacent subunit, and (ii) Pi is a purine or pyrimidine base-pairing moiety effective to bind by base-specific hydrogen bonding to a base in a polynucleotide. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
- -morpholino subunit structures of the form;
Specification