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| Number | Title | Issue Date |
| 7700761 | 3-deoxypentopyranosyl nucleic acid, its production and its use Provided are processes for preparing a 3′-deoxypentopyranosyl oligomers with linkers for linking biomolecules. The processes can the steps of: bonding a 4′-protected-3′-deoxypentopyranosyl nucleoside to a solid support by coupling the 2′-OH group with a CPG ... | 04/20/2010 |
| 7655790 | Deprotection and purification of oligonucleotides and their derivatives Method for synthesis, deprotection, and/or purification of nucleic acid molecules, such as oligonucleotides comprising one or more ribonucleotides. Such nucleic acid molecules include siRNA, dsRNA, ribozymes, antisense, and aptamers. ... | 02/02/2010 |
| 7435810 | Use of ionic liquids for fabrication of polynucleotide arrays A method of fabricating polynucleotide arrays includes dissolving a nucleotide monomer, oligonucleotide, or polynucleotide in a solvent containing ionic liquid and depositing the resulting solution on an array substrate. The method has particular application to fabr... | 10/14/2008 |
| 7417139 | Method for polynucleotide synthesis Methods of forming an internucleotide bond are disclosed. Such methods find use in synthesis of polynucleotides. The method involves contacting a functionalized support with a precursor having an exocyclic amine triaryl methyl protecting group under conditions and f... | 08/26/2008 |
| 7411061 | Method of synthesizing polynucleotides using ionic liquids A method of synthesizing polynucleotides is disclosed. The method involves contacting a first nucleotide with a selected reactive group in the presence of an ionic liquid. The selected reactive group may be on a second nucleotide, a polynucleotide, or on a moiety on... | 08/12/2008 |
| 7385050 | Cleavable linker for polynucleotide synthesis Functionalized supports for polynucleotide synthesis are disclosed. The supports have linker moieties that are stable to conditions used in polynucleotide synthesis, but may be cleaved to release synthesized polynucleotides from the support. Methods of making the fu... | 06/10/2008 |
| 7381820 | α-1-phosphorylated-2-deoxy-2-fluoroarabinoside and process for producing 2′-deoxy-2′-fluoro-β-d-arabinonucleoside A method for producing 2′-deoxy-2′-fluoro-β-D-arabinonucleoside represented by formula (II): (wherein B represents a base), in particular, 2′-deoxy-2′-fluoro-β-D-arabinopurinenucleoside, which method comprises cau... | 06/03/2008 |
| 7378516 | Synthesis of sulfurized oligonucleotides Methods for the formation of sulfurized oligonucleotides are provided. The methods allow for the formation of phosphorothioate linkages in the oligonucleotides or derivatives, without the need for complex solvent mixtures and repeated washing or solvent changes. Oli... | 05/27/2008 |
| 7371852 | Alkyl-linked nucleotide compositions Alkyl-linked nucleotide non-homogeneous solid supports and nucleotide affinity media comprising an alkyl-linked nucleotide are provided. The linker is generally a hydrophobic linker that can be a 3, 4, 5, 6, 7, 8, 9, 10, or a longer carbon chain. Also included in th... | 05/13/2008 |
| 7355037 | Thermolabile hydroxyl protecting groups and methods of use Provided is a hydroxyl-protected alcohol of the formula R—O—Pg, wherein Pg is a protecting group of the formula: wherein Y, Z, W, R1, R1a, R2, R2a, R | 04/08/2008 |
| 7348391 | Polymeric beads for oligomer synthesis The present invention provides solid support media for use in oligomer synthesis, methods of producing the media, and methods of using the media. In some embodiments, the processes of the invention comprise (a) providing an organic phase comprising an olefin monomer... | 03/25/2008 |
| 7321828 | System of components for preparing oligonucleotides Interative, preferably computer based iterative processes for generating synthetic compounds with desired physical, chemical and/or bioactive properties, i.e., active compounds, are provided. During iterations of the processes, a target nucleic acid sequence is prov... | 01/22/2008 |
| 7285658 | Nucleotide mimics and their prodrugs The present invention relates to nucleoside diphosphate mimics and nucleoside triphosphate mimics, which contain diphosphate or triphosphate moiety mimics and optionally sugar-modifications and/or base-modifications. The nucleotide mimics of the present invention, i... | 10/23/2007 |
| 7276592 | Nucleotide analogs with six-membered rings The present invention is related to compounds comprising six-membered rings capable of being incorporated into nucleic acids. Particularly, the six-membered ring is a derivative of cyclohexane, cyclohexene, tetrahydropyran, tetrahydrothiopyran or piperidine. These c... | 10/02/2007 |
| 7273933 | Methods for synthesis of oligonucleotides Improved methods for synthesis of oligonucleotides and other phosphorus-linked oligomers are disclosed. The methods include the use of aromatic solvents, alkyl aromatic solvents, halogenated aromatic solvents, halogenated alkyl aromatic solvents, or aromatic ether s... | 09/25/2007 |
| 7247720 | Phosphitylation process A process for the phosphitylation of an alcohol or thiol with a phosphitylation agent in the presence of an activator is provided. The activator has the formula: wherein p is 0 or an integer from 1 to 4 and R for... | 07/24/2007 |
| 7230095 | Immobilization of oligonucleotides onto solid supports A solid support bound polynucleotide, preferably a 3′-O- or 5′-O-substituted polynucleotide, is disclosed. The polynucleotides are of formula: wherein Q is a substantially pure polynucleotide, each X is O or ... | 06/12/2007 |
| 7227017 | Process for the preparation of phosphorothioate oligonucleotides A process for the synthesis of phosphorothioate oligonucleotides is provided which comprises assembling an oligonucleotide bound to a solid support in the presence of acetonitrile; prior to cleaving the oligonucleotide from the solid support removing the acetonitril... | 06/05/2007 |
| 7227015 | Synthesis of sulfurized oligonucleotides Methods for the formation of sulfurized oligonucleotides are provided. The methods allow for the formation of phosphorothioate linkages in the oligonucleotides or derivatives, without the need for complex solvent mixtures and repeated washing or solvent changes. Oli... | 06/05/2007 |
| 7211654 | Linkers and co-coupling agents for optimization of oligonucleotide synthesis and purification on solid supports A method of modulation of synthesis capacity on and cleavage properties of synthetic oligomers from solid support is described. The method utilizes linker molecules attached to a solid surface and co-coupling agents that have similar reactivities to the coupling com... | 05/01/2007 |
| 7205399 | Methods and reagents for oligonucleotide synthesis The present invention features novel compositions, linkers, derivatized solid supports, and methods for the efficient solid phase synthesis of oligonucleotides, including RNA, DNA, RNA-DNA chimeras, and analogs thereof. ... | 04/17/2007 |
| 7199236 | Process for the synthesis of oligomeric compounds Synthetic processes are provided wherein oligomeric compounds are prepared having phosphodiester, phosphorothioate, phosphorodithioate, or other covalent linkages. The oligomers have substantially reduced exocyclic adducts deriving from acrylonitrile or related cont... | 04/03/2007 |
| 7193077 | Exocyclic amine triaryl methyl protecting groups in two-step polynucleotide synthesis Precursors for use in the synthesis of polynucleotides and methods of using the precursors in synthesizing polynucleotides are disclosed. The precursors include a heterocyclic base having an exocyclic amine group and a substituted or unsubstituted triaryl methyl pro... | 03/20/2007 |
| 7186813 | Biomolecules having multiple attachment moieties for binding to a substrate surface Biomolecules are provided having multiple binding sites for attachment to a substrate surface. The multiple attachment sites may be produced directly on the biomolecule or through use of branched phosphoramidite moieties that can be added in multiple to form dendrit... | 03/06/2007 |
| 7186822 | Process for the synthesis of oligomeric compounds Synthetic processes are provided wherein oligomeric compounds are prepared having phosphodiester, phosphorothioate, phosphorodithioate, or other covalent linkages. The oligomers have substantially reduced exocyclic adducts deriving from acrylonitrile or related cont... | 03/06/2007 |
| 7183405 | Compositions and methods for labeling oligonucleotides A novel method for the labeling of oligonucleotides which results in the economical synthesis of 5′ labeled molecules. A set of suitably protected and carefully selected set of amino linkers, a modified deprotination/cleavage protocol and standard coupling methodo... | 02/27/2007 |
| 7169916 | Chloral-free DCA in oligonucleotide synthesis A process of manufacturing oligonucleotides includes a 5′-deblocking step in which the 5-blocking group is removed with dichloroacetic acid that is essentially free of chloral. The process is useful for making oligonucleotides that are substantially free of chlora... | 01/30/2007 |
| 7144700 | Photolithographic solid-phase polymer synthesis Methods, employing a polycyclic hydrocarbon or a polycyclic heteroaromatic compound as sensitizers, are provided to increase the efficiency of removing, by irradiation, photolabile protecting groups that mask reactive sites on synthesis intermediaries. Preferred gro... | 12/05/2006 |
| 7138384 | Modulators of DNA cytosine-5 methyltransferase and methods for use thereof A synthetic oligonucleotide comprising a C-5 methylcytosine and which recognizes and binds an allosteric site on DNA methyltransferase thereby inhibiting DNA methyltransferase activity is disclosed. Also disclosed is a composition comprising a synthetic oligonucleot... | 11/21/2006 |
| 7135564 | Reusable solid support for oligonucleotide synthesis A reusable linker arm for solid support oligonucleotide synthesis, the linker arm comprising formula (a) wherein Z is a linker moiety and T is an organic radical. A method for adding one or more nucleosides on the linker arm is also described | 11/14/2006 |
| 7135565 | Synthesis of polynucleotides using combined oxidation/deprotection chemistry A method of synthesizing a polynucleotide which can, for example, be used during fabrication of an array. A second nucleoside is coupled to a first nucleoside through a phosphite linkage, with the second nucleoside having a hydroxyl protecting group that is a non-ca... | 11/14/2006 |
| 7125982 | Microbial production of nuclease resistant DNA, RNA, and oligo mixtures The present method describes the use of thio-phosphate as a feed source for micro-organisms and multi-cellular organisms. This compound enters into nucleotide pools and ultimately into polymers of both RNA and DNA forming stable phosphorothioate internucleotide link... | 10/24/2006 |
| 7087732 | Nucleotides and analogs having photoremovable protecting groups A synthetic strategy for the creation of large scale chemical diversity. Solid-phase chemistry, photolabile protecting groups, and photolithography are used to achieve light-directed spatially-addressable parallel chemical synthesis. Binary masking techniques are ut... | 08/08/2006 |
| 7049432 | Oligonucleotides having alkylphosphonate linkages and methods for their preparation The present invention provides alkylphosphonate dimers and oligonucleotides prepared therefrom. The invention further provides novel methods for the preparation of these alkylphosphonate dimers. Methods for the preparation of substantially diastereomerically pure al... | 05/23/2006 |
| 7049144 | Process of making a compound by forming a polymer from a template drug A method of forming polymers in the presence of nucleic acid using template polymerization. Also, a method of having the polymerization occur in heterophase systems. These methods can be used for the delivery of nucleic acids, for condensing the nucleic acid, for fo... | 05/23/2006 |
| 7041816 | Process for the synthesis of oligomeric compounds Synthetic processes are provided wherein oligomeric compounds are prepared having phosphodiester, phosphorothioate, phosphorodithioate, or other covalent linkages. The oligomers have substantially reduced exocyclic adducts deriving from acrylonitrile or related cont... | 05/09/2006 |
| 7033753 | Compositions and methods for nonenzymatic ligation of oligonucleotides and detection of genetic polymorphisms The invention is directed to novel compositions and methods for nonenzymatic ligation of oligonucleotides. In one aspect of the invention, the nonenzymatic ligation is selenium-mediated or tellurium mediated ligation. In another aspect, the invention provides for th... | 04/25/2006 |
| 7022833 | Process for the preparation of phosphorothioate triesters A process for the synthesis of a phosphorothioate triester is provided. The process comprises the coupling of an H-phosphonate with an alcohol in the presence of a solution comprising both a coupling agent and a sulfur transfer agent. Preferably, the H-phosphonate a... | 04/04/2006 |
| 7019127 | Solution phase synthesis of oligonucleotides A process for the synthesis in solution phase of a phosphorothioate triester is provided. The process comprises the solution phase coupling of an H-phosphonate with an alcohol in the presence of a coupling agent to form an H-phosphonate diester. The H-phosphonate di... | 03/28/2006 |
| 7011940 | Quality control for cytochemical assays The invention describes quality control devices for assays that measure analytes in cells and tissue samples, and methods of use thereof. In particular, the quality control device comprises a matrix affixed with synthetic controls in different concentrations, or dif... | 03/14/2006 |
