Process for preparing polynucleotides
DCFirst Claim
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1. A process for the production of oligonucleotides which comprises:
- (a) converting an inorganic polymer into a coupling agent-polymer;
(b) combining the coupling agent-polymer with a blocked nucleoside to obtain a blocked nucleoside-modified support; and
(c) removing the blocking group from the blocked nucleoside-modified support to provide for the coupling of nucleotides to the nucleoside-modified support.
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Abstract
This invention is a process for the production of oligonucleotides which comprises:
(a) converting an inorganic polymer into a coupling agent-polymer;
(b) combining the coupling agent-polymer with a blocked nucleoside to obtain a blocked nucleoside-modified support; and
(c) removing the blocking group from the blocked nucleoside-modified support to provide for the coupling of nucleotides to the nucleoside-modified support.
436 Citations
26 Claims
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1. A process for the production of oligonucleotides which comprises:
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(a) converting an inorganic polymer into a coupling agent-polymer; (b) combining the coupling agent-polymer with a blocked nucleoside to obtain a blocked nucleoside-modified support; and (c) removing the blocking group from the blocked nucleoside-modified support to provide for the coupling of nucleotides to the nucleoside-modified support. - View Dependent Claims (2, 3)
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4. A process for the production of oligonucleotides which comprises:
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(a) treating an inorganic polymer with a coupling agent which agent has a reactive group capable of reacting with a reactive group carried on a nucleoside; and (b) combining the treated polymer with a nucleoside or a blocked nucleoside to obtain a nucleoside-modified support or a blocked nucleoside-modified support.
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5. A process for the production of oligonucleotides which comprises:
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(a) providing an inorganic polymer; (b) converting the polymer into an amino-polymer; (c) providing a nucleoside (d) combining the amino-polymer and the nucleoside to obtain a nucleoside-modified support; and (e) attaching nucleotides to the nucleoside-modified support. - View Dependent Claims (6, 7)
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8. A process for the production of oligonucleotides which comprises:
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(a) converting an inorganic silica into a coupling agent-silica, (b) combining the coupling agent-silica with a blocked nucleoside to obtain a blocked nucleoside-modified support; and (c) removing the blocking group from the blocked nucleoside-modified support to provide for the coupling of nucleotides to the nucleoside-modified support.
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9. A process for the production of oligonucleotides which comprises:
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(a) treating an inorganic silica with a coupling agent which agent has a reactive group capable of reacting with a reactive group carried on a nucleoside; and (b) combining the treated silica with a nucleoside or a blocked nucleoside to obtain a nucleoside-modified support or a blocked nucleoside-modified support.
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10. A process for the production of oligonucleotides which comprises:
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(a) providing an inorganic silica; (b) converting the silica gel into a coupling agent amino-silica; (c) providing a nucleoside; (d) combining the amino-silica and the nucleoside to obtain a nucleoside-modified support; and (e) attaching nucleotides to the nucleoside-modified support.
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11. A process for the production of oligonucleotides which comprises:
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(a) converting a silica gel into a coupling agent-silica gel; (b) combining the coupling agent-silica gel with a blocked nucleoside to obtain a blocked nucleoside-modified support; and (c) removing the blocking group from the blocked nucleoside-modified support to provide for the coupling of nucleotides to the nucleoside-modified support.
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12. A process for the production of oligonucleotides which comprises:
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(a) treating a silica gel with a coupling agent which agent has a reactive group capable of reacting with a reactive group carried on a nucleoside; (b) combining the treated silica gel with a nucleoside or a blocked nucleoside to obtain a nucleoside-modified support or a blocked nucleoside-modified support, and (c) attaching nucleotides to the nucleoside-modified support.
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13. A process for the production of oligonucleotides which comprises:
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(a) providing a silica gel; (b) converting the silica gel into a coupling agent amino-silica gel; (c) providing a nucleoside; (d) combining the amino-silica gel and the nucleoside to obtain a nucleoside-modified support; and (e) attaching nucleotides to the nucleoside-modified support.
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14. A process for the production of oligonucleotides which comprises:
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(a) providing a silica gel support material; (b) converting said silica gel to a derivatize silica gel containing aminoalkyl or hydroxyalkyl groups; (c) providing a nucleoside modified to contain the half ester of a dicarboxylic acid; and (d) combining the nucleoside ester with the derivatized silica gel, to obtain a nucleoside modified silica gel support. - View Dependent Claims (15, 16, 17)
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18. A process for the production of oligonucleotides which comprises:
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(a) providing a silica gel support material; (b) converting the silica gel to a derivatized silica gel containing aminoalkyl groups or hydroxyalkyl groups; (c) reacting the derivatized silica gel with a dicarboxylic acid to form an amine or ester linkage having carboxy functionality; and (d) condensing the free carboxy groups on the silica with a free hydroxy group of a nucleoside, to obtain a nucleoside modified silica gel support. - View Dependent Claims (19, 20)
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21. A process for production of oligonucleotides which comprises the step of condensing the 3'"'"'-OH or 5'"'"'-OH group of a nucleoside or oligonucleotide covalently linked to an inorganic polymer by a coupling agent through the 5'"'"'-O-- or 3'"'"'-O--, respectively, of said nucleoside or oligonucleotide with a phosphite compound of the formula:
- ##STR5## wherein R is a blocking group;
B is a nucleoside or deoxynucleoside base;
A is H or OR;
R1 is lower alkyl; and
X is formed by the removal of the hydrogen atom from a ring nitrogen of a nitrogen heterocyclic compound which contains unsaturated bonds in the ring structure. - View Dependent Claims (22, 23, 24)
- ##STR5## wherein R is a blocking group;
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25. A method of creating polynucleotides including the following steps:
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providing a resin support; providing an activated ester of a nucleoside; and combining the activated ester of the nucleoside and the resin support to obtain a resin-supported nucleoside.
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26. In a method of producing a polynucleotide, the steps of:
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providing a resin-supported nucleoside; combining a monotrizolide and the resin-supported nucleoside in the presence of a nucleophilic catalyst to provide a dimethoxytrityl resin; and substituting the dimethoxytritly group in the dimethoxytrityl resin with a hydroxyl group to form the polynucleotide.
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Specification