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| Number | Title | Issue Date |
| 8158775 | Method for detaching protecting group on nucleic acid The present invention provides a method for removing a 2-cyanoethoxymethyl (CEM) group, which substitutes the 2′-hydroxyl group of each ribose of an oligonucleic acid derivative, with good reproducibility and high efficiency. The present invention further provides... | 04/17/2012 |
| 8138330 | Process for the synthesis of oligonucleotides The present invention discloses novel methods for the synthesis of oligonucleotides with nucleoside phosphoramidites on solid supports. The methods comprise the stepwise chain assembly of oligonucleotides on supports with 5′-acyl phosphoramidites. The synthesis cy... | 03/20/2012 |
| 8093372 | Method for deblocking of labeled oligonucleotides The invention relates to a process for deblocking substantially a blocked, detectably labeled oligonucleotide by contacting the blocked detectably labeled oligonucleotide with an effective amount of a nucleophilic amino compound under conditions that result in subst... | 01/10/2012 |
| 8063198 | Processes and reagents for desilylation of oligonucleotides The present invention relates to processes and reagents for oligonucleotide synthesis and purification. One aspect of the present invention relates to compounds useful for activating phosphoramidites in oligonucleotide synthesis. Another aspect of the present invent... | 11/22/2011 |
| 7893249 | 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. ... | 02/22/2011 |
| 7872121 | Process for the removal of exocyclic base protecting groups Nitrogen-protecting groups are removed from the exocyclic nucleobase portion of a 2′-O protected nucleotide or 2′-halo nucleotide by contacting the nucleotide with an inorganic base. Typical is the removal of t-butylphenoxyacetyl protecting groups from the nucle... | 01/18/2011 |
| 7807821 | Method for the synthesis of nucleic acid without protecting base moiety A phosphoramidite method for the synthesis of a nucleic acid oligomer without protecting the base moiety characterized in that a 3′ or 5′ hydroxyl group of a nucleotide is reacted with a nucleoside phosphoramidite, a cyclonucleoside phosphoramidite, a 2′-subst... | 10/05/2010 |
| 7737088 | Method and device for producing biochemical reaction supporting materials The present invention relates to arrays of biochemical and/or biofunctional elements such as nucleic acids (oligonucleotides, for example) or other biomolecules on a carrier surface and methods of producing such arrays using photoactivation of predetermined areas fo... | 06/15/2010 |
| 7635772 | Process for the preparation of oligonucleotides A process for the synthesis of an oligonucleotide is provided in which an oligonucleotide is assembled on a swellable solid support using the phosphoramidite approach in the presence of an activator, wherein the activator is not tetrazole or a substituted tetrazole.... | 12/22/2009 |
| 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 |
| 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 |
| 7368550 | Phosphorus protecting groups Compounds having a phosphorus group structure of: wherein: R is alkyl, modified lower alkyl; and Ri and Ri are each independently H, alkyl, modified ... | 05/06/2008 |
| 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 |
| 7345163 | Process for separating and deprotecting oligonucleotides Methods for deprotecting and derivatizing oligonucleotides that are non-covalently bound to a solid support are described. The methods include providing a plurality of oligonucleotides linked to one or more hydrophobic separation functions, wherein the plurality inc... | 03/18/2008 |
| 7329515 | Solid support for the synthesis of 3′-amino oligonucleotides The present invention discloses novel methods and solid supports for the synthesis of 3′-amino oligonucleotides. The novel supports are based on an unsubstituted or ring-substituted hydroxymethylbenzoyl linker element wherein the hydroxymethyl group is esterified ... | 02/12/2008 |
| 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 |
| 7316902 | Compositions that specifically bind to colorectal cancer cells and methods of using the same A unique transcription product, CRCA-1, and alternative translation products generated therefrom, are disclosed. The transcript and its translation products are markers for colorectal cells. Screening and diagnostic reagents, kits and methods for metastasized colore... | 01/08/2008 |
| 7276598 | Phosphorylation reagents for improved processes to convert terminal hydroxyl groups of oligonucleotides into phosphate monoesters The present invention discloses novel phosphoramidite reagents for use in oligonucleotide synthesis. The present invention further discloses novel methods for the conversion of terminal hydroxyl groups of oligonucleotides into phosphate monoesters. By employing nove... | 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 |
| 7271258 | Methods of synthesizing oligonucleotides using carbonate protecting groups and alpha-effect nucleophile deprotection The invention provides methods for synthesizing oligonucleotides using nucleoside monomers having carbonate protected hydroxyl groups that are deprotected with α-effect nucleophiles. The α-effect nucleophile irreversibly cleave the carbonate protecting groups whil... | 09/18/2007 |
| 7227016 | 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... | 06/05/2007 |
| 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 |
| 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 |
| 7192558 | Multi-well rotary synthesizer An apparatus for synthesizing polymer chains includes a controller, a plurality of precision fit vials circularly arranged in multiple banks on a cartridge, a drain corresponding to each bank of vials, a chamber bowl, a plurality of valves for delivering reagents to... | 03/20/2007 |
| 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 |
| 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 |
| 7179894 | Combinatorial selection of oligonucleotide aptamers A random combinatorial selection method is disclosed for the construction of oligonucleotide aptamers in which nuclease resistance is conferred by the inclusion of modified nucleotides. The modified nucleotides are incorporated during PCR amplification to form achir... | 02/20/2007 |
| 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 |
| 7171022 | Common method for communicating area information A method for providing a common framework for area of interest (AOI) specification and access. The method includes providing a first set of instructions which generates an area of interest (AOI) defined by a first geometric shape and defining the first geometric sha... | 01/30/2007 |
| 7166718 | Calix[4]arene-nucleoside and calix[4]oligonucleotide hybrids The present invention relates to calix[4]arene-nucleoside hybrids containing calix[4]arene moieties and calix[4]arene-oligonucleotide hybrids as a DNA hairpin structure mimics synthesized by using the calix[4]arene-nucleoside as a key building block. Calix[4]arene-n... | 01/23/2007 |
| 7157449 | Medicament for the treatment of diseases caused by parasitic protozoa The present invention relates to the use of an inhibitor of CTP synthetase, such as a glutamine analogue, and a substance capable of suppressing toxic effects thereof in vivo, in the manufacture of a medicament for the treatment of a disease caused by a parasitic pr... | 01/02/2007 |
| 7150998 | Multi-well rotary synthesizer An apparatus for synthesizing polymer chains includes a controller, a plurality of precision fit vials circularly arranged in multiple banks on a cartridge, a drain corresponding to each bank of vials, a chamber bowl, a plurality of valves for delivering reagents to... | 12/19/2006 |
| 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 |
| 7138517 | Sugar modified oligonucleotides Compositions and methods are provided for the treatment and diagnosis of diseases amenable to modulation of the production of selected proteins. In accordance with preferred embodiments, oligonucleotides and oligonucleotide analogs are provided which are specificall... | 11/21/2006 |
| 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 |
| 7135333 | Compositions that specifically bind to colorectal cancer cells and methods of using the same A unique transcription product, CRCA-1, and alternative translation products generated therefrom, are disclosed. The transcript and its translation products are markers for colorectal cells. Screening and diagnostic reagents, kits and methods for metastasized colore... | 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 |
| 7132409 | Adenosine derivatives and use thereof 2-(6-Cyano-1-hexyn-1-yl)adenosine, 2-(6-cyano-1-hexyn-1-yl)adenosine 5′-monophosphate, or salts thereof; and drugs containing the same as an active ingredient. The compounds have excellent effects of lowering ocular tension, promoting blood flow in retina, and pro... | 11/07/2006 |
