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1. 发明专利

GB1142059A Method for preparing hydroxybenzoic acids 未知
公开(公告)号：GB1142059A
公开(公告)日：1969-02-05
申请号：GB5772166
申请日：1966-12-23
申请人： ICHIRO HIRAO
IPC分类号： C07C51/15
摘要： 1,142,059. Hydroxybenzoic acids. I. HIRAO. 23 Dec., 1966 [24 Dec., 1965], No. 57721/66. Heading C2C. Hydroxybenzoic acids are prepared by adding an alkali metal salt of phenol to a solvent selected from dimethylformamide, diethylformamide, dimethylsulphoxide, diethylsulphoxide, hexamethylphosphoramide, hexaethylphosphoramide, dimethylacetamide, diethylacetamide, tetramethylurea and tetraethylurea and contacting with carbon dioxide at a temperature from room temperature to 250‹ C. Normal or superatmospheric pressure may be employed. Examples are furnished.

2. 发明授权

US07745417B2 Nucleosides or nucleotides having novel unnatural bases and use thereof 有权
标题翻译：具有新的非天然碱基的核苷或核苷及其用途
公开(公告)号：US07745417B2
公开(公告)日：2010-06-29
申请号：US10521454
申请日：2003-02-28
申请人： Ichiro Hirao , Shigeyuki Yokoyama , Michiko Hirao , Tsuneo Mitsui
发明人： Ichiro Hirao , Shigeyuki Yokoyama , Michiko Hirao , Tsuneo Mitsui
IPC分类号： A61K31/70 , C07H19/00 , C07H21/00 , C07H21/02
CPC分类号： C07H11/04 , C07H7/06
摘要： The object of the present invention is to provide a nucleoside or nucleotide having an unnatural base. The nucleoside or nucleotide of the present invention has a 5-substituted-2-oxo(1H)-pyridin-3-yl group as a base. Preferably, the 5-position of the above base is substituted with a substituent selected from the group consisting of the following: 1) a photoreactive group selected from iodine and bromine; 2) an alkenyl group, an alkynyl group or an amino group, or a derivative thereof; 3) biotin or a derivative thereof; and 4) a fluorescent molecule selected from fluorescein, 6-carboxyfluorescein, tetramethyl-6-carboxyrhodamine, and derivatives thereof.
摘要翻译：本发明的目的是提供具有非天然碱基的核苷或核苷酸。本发明的核苷或核苷酸具有5-取代-2-氧代（1H） - 吡啶-3-基作为碱基。优选地，上述碱的5位被选自下列的取代基取代：1）选自碘和溴的光反应性基团; 2）烯基，炔基或氨基或其衍生物; 3）生物素或其衍生物; 和4）选自荧光素，6-羧基荧光素，四甲基-6-羧基罗丹明及其衍生物的荧光分子。

3. 发明申请

US20100036111A1 METHOD FOR REPLICATING NUCLEIC ACIDS AND NOVEL UNNATURAL BASE PAIRS 有权
标题翻译：用于替代核酸和新型基础配对的方法
公开(公告)号：US20100036111A1
公开(公告)日：2010-02-11
申请号：US12096517
申请日：2006-12-07
申请人： Ichiro Hirao , Shigeyuki Yokoyama
发明人： Ichiro Hirao , Shigeyuki Yokoyama
IPC分类号： C12P19/34 , C07H19/04 , C07H19/20
CPC分类号： C12P19/34 , C07H19/04 , C07H21/00 , C12Q1/6844 , C12Q2525/101 , C12Q2525/117 , C12Q2525/113
摘要： The present invention relates to a method for nucleic acid replication and novel artificial base pairs.The method of the present invention for nucleic acid replication is characterized in that a deoxyribonucleoside 5′-triphosphate, in which the hydroxyl group of phosphoric acid at the γ-position is substituted with a group selected from the group consisting of an amino group, a methylamino group, a dimethylamino group, a mercapto group and a fluoro group, is used as a substrate during replication reaction. The novel artificial base pairs of the present invention are characterized in that 7-(2-thienyl)-imidazo[4,5-b]pyridine (Ds) or an analog thereof forms a base pair with pyrrole-2-carbaldehyde (Pa) or an analog thereof.
摘要翻译：本发明涉及核酸复制的方法和新的人造碱基对。用于核酸复制的本发明的方法的特征在于，其中在γ-位上的磷酸的羟基被选自下列的基团取代的脱氧核糖核苷5'-三磷酸：氨基，甲基氨基，二甲基氨基，巯基和氟基在复制反应期间用作底物。本发明的新型人造碱基对的特征在于7-（2-噻吩基） - 咪唑并[4,5-b]吡啶（Ds）或其类似物与吡咯-2-甲醛（Pa）形成碱基对，或其类似物。

4. 发明申请

US20090275017A1 Novel Nucleoside or Nucleotide Derivative and Use Thereof 失效
标题翻译：新型核苷或其衍生物及其用途
公开(公告)号：US20090275017A1
公开(公告)日：2009-11-05
申请号：US11667146
申请日：2005-11-08
申请人： Ichiro Hirao , Shigeyuki Yokoyama
发明人： Ichiro Hirao , Shigeyuki Yokoyama
IPC分类号： C12Q1/68 , C07H21/00 , C07H21/02 , C07H21/04
CPC分类号： C07H21/02
摘要： The object of the present invention is to provide a nucleoside or nucleotide having a 5-substituted-2-oxo(1H)pyridin-3-yl group as a base, as well as a method using the same.In one embodiment, the nucleoside or nucleotide of the present invention has a fluorescent dye selected from the group consisting of 5-FAM, 6-FAM, 5-TAMRA, 6-TAMRA, DANSYL, 5-HEX, 6-HEX, 5-TET, 6-TET, 5-ROX and 6-ROX or a quencher dye selected from the group consisting of DABCYL, BHQ1 and BHQ2, which is attached either directly or through a linker to the 5-position of the above base.
摘要翻译：本发明的目的是提供具有5-取代-2-氧代（1H）吡啶-3-基作为碱的核苷或核苷酸，以及使用其的方法。在一个实施方案中，本发明的核苷或核苷酸具有选自5-FAM，6-FAM，5-TAMRA，6-TAMRA，DANSYL，5-HEX，6-HEX，5- TET，6-TET，5-ROX和6-ROX或选自DABCYL，BHQ1和BHQ2的猝灭剂染料，其直接或通过接头连接到上述碱基的5位上。

5. 发明授权

US3994882A Nitrofuran derivatives, process for the preparation thereof and compositions containing same as active ingredient 失效
标题翻译：硝基呋喃衍生物，其制备方法和含有活性成分的组合物
公开(公告)号：US3994882A
公开(公告)日：1976-11-30
申请号：US504987
申请日：1974-09-10
申请人： Ichiro Hirao , Ryuzo Ueno
发明人： Ichiro Hirao , Ryuzo Ueno
IPC分类号： C07D307/71 , C07D307/72
CPC分类号： C07D307/71
摘要： A nitrofuran derivative having the general formula ##SPC1##Wherein R is a group selected from the class consisting of hydroxyl group, hydroxyalkyl group, hydroxyalkoxylakyl group, hydroxyalkylaminoalkyl group, alkoxyalkyl group, sulfoalkyl group, which sulfoalkyl group may be that forming a salt, mercaptoalkyl group, an amino acid, and a residue resulting from the removal of the amino group from an amino acid amide, the amino group or carboxyl group of which residue may be that forming a salt. The nitrofuran derivative is useful as antimicrobial agent.
摘要翻译：具有通式WHEREIN R的硝基呋喃衍生物是选自羟基，羟基烷基，羟基烷氧基烷基，羟基烷基氨基烷基，烷氧基烷基，磺基烷基的基团，该磺基烷基可以是形成盐，巯基烷基，氨基酸和从氨基酰胺除去氨基而得到的残基，其残基可以是形成盐的氨基或羧基。硝基呋喃衍生物可用作抗微生物剂。

6. 发明申请

US20140194320A1 METHOD FOR PREPARING NUCLEIC ACID APTAMER 审中-公开
标题翻译：制备核酸APTAMER的方法
公开(公告)号：US20140194320A1
公开(公告)日：2014-07-10
申请号：US14237645
申请日：2012-08-08
申请人： Ichiro Hirao , Michiko Hirao , Shigeyuki Yokoyama
发明人： Ichiro Hirao , Michiko Hirao , Shigeyuki Yokoyama
IPC分类号： C12N15/115 , C12Q1/68
CPC分类号： G01N33/543 , A61K31/7105 , C12N15/1048 , C12N15/115 , C12N2310/16 , C12N2320/13 , C12N2320/30 , C12N2330/30 , C12Q1/6834 , G01N33/5308 , G01N2333/47 , G01N2333/4703
摘要： An object of the present invention is to develop and provide a method for efficiently and conveniently producing a nucleic acid aptamer, particularly, a DNA aptamer, having high specificity for and high binding activity against a target substance. The present invention provides a method for producing a nucleic acid aptamer, comprising: a complex formation step of mixing a single-stranded nucleic acid library with a target substance in a solution to form a complex of a single-stranded nucleic acid and the target substance; an immobilization step of mixing the solution after the preceding step with a solid-phase support to immobilize the complex onto the solid-phase support via connector(s) adsorbed on the target substance and/or the solid-phase support; a recovery step of recovering the complex immobilized on the solid-phase support from the solution; an amplification step of recovering the single-stranded nucleic acid from the complex, followed by amplification by a nucleic acid amplification method; and a single-stranded nucleic acid preparation step of converting the double-stranded nucleic acids obtained in the amplification step into single strands and then forming an intramolecular conformation.
摘要翻译：本发明的目的是开发和提供一种有效且方便地制备对靶物质具有高特异性和高结合活性的核酸适体，特别是DNA适体。本发明提供了一种生产核酸适配体的方法，包括：在溶液中将单链核酸文库与目标物质混合以形成单链核酸与靶物质的复合物的复合物形成步骤 ; 固定步骤，将上述步骤之后的溶液与固相支持物混合，以通过吸附在目标物质和/或固相载体上的连接器将复合物固定在固相载体上; 从溶液中回收固定在固相载体上的络合物的回收步骤; 从复合物中回收单链核酸，然后用核酸扩增法扩增的扩增步骤; 以及将扩增步骤中得到的双链核酸转化为单链然后形成分子内构象的单链核酸制备步骤。

7. 发明授权

US08426569B2 DNA capable of being amplified by PCR with high selectivity and high efficiency 有权
标题翻译：能够通过PCR以高选择性和高效率扩增的DNA
公开(公告)号：US08426569B2
公开(公告)日：2013-04-23
申请号：US12934066
申请日：2009-03-31
申请人： Ichiro Hirao , Michiko Hirao , Shigeyuki Yokoyama
发明人： Ichiro Hirao , Michiko Hirao , Shigeyuki Yokoyama
IPC分类号： C07H21/02 , C07H21/00 , C07H19/044 , C07H19/052
CPC分类号： C07H21/04 , C12Q1/6806 , C12Q1/6844 , C12Q1/6853 , C12Q1/6869 , C12Q2525/101 , C12Q2525/117
摘要： The present invention relates to unnatural base pairs of Ds (a 7-(2 thienyl)-3H-imidazo[4,5-b]pyridine-3-yl group) and a Pa derivative (a 2-nitro-1H-pyrrole-1-yl group bearing a substituent having a π-electron system attached at position 4) that can be replicated with high selectivity/high efficiency, and methods for replicating nucleic acids containing the unnatural base pairs. The present invention also relates to methods for incorporating an unnatural base bearing a functional substituent attached thereto into DNA by a nucleic acid replication reaction. The present invention also relates to methods for replicating and selectively collecting a nucleic acid containing an unnatural base pair from a nucleic acid pool. The present invention also relates to methods for determining a sequence of natural bases in the proximity of an unnatural base in DNA for achieving highly efficient and highly selective replication of a nucleic acid containing the unnatural base.
摘要翻译：本发明涉及Ds（7-（2噻吩基）-3H-咪唑并[4,5-b]吡啶-3-基）和Pa衍生物（2-硝基-1H-吡咯-2-基）带有具有连接在位置4上的π电子系统的取代基的1-基团）可以以高选择性/高效率复制，以及用于复制含有非天然碱基对的核酸的方法。本发明还涉及通过核酸复制反应将具有连接到其上的功能性取代基的非天然碱掺入DNA中的方法。本发明还涉及用于从核酸池复制和选择性收集含有非天然碱基对的核酸的方法。本发明还涉及用于确定DNA中非天然碱基附近的天然碱基序列的方法，以实现含有非天然碱的核酸的高效和高选择性复制。

8. 发明申请

US20110053782A1 NOVEL DNA CAPABLE OF BEING AMPLIFIED BY PCR WITH HIGH SELECTIVITY AND HIGH EFFICIENCY 有权
标题翻译：通过PCR具有高选择性和高效率扩增的新型DNA
公开(公告)号：US20110053782A1
公开(公告)日：2011-03-03
申请号：US12934066
申请日：2009-03-31
申请人： Ichiro Hirao , Michiko Hirao , Shigeyuki Yokoyama
发明人： Ichiro Hirao , Michiko Hirao , Shigeyuki Yokoyama
IPC分类号： C40B20/00 , C12P19/34 , C07H21/00
CPC分类号： C07H21/04 , C12Q1/6806 , C12Q1/6844 , C12Q1/6853 , C12Q1/6869 , C12Q2525/101 , C12Q2525/117
摘要： The present invention relates to unnatural base pairs of Ds (a 5-amino-7-(2-thienyl)-3H-imidazo[4,5-b]pyridine-3-yl group) and a Pa derivative (a 2-nitro-1H-pyrrole-1-yl group bearing a substituent having a π-electron system attached at position 4) that can be replicated with high selectivity/high efficiency, and methods for replicating nucleic acids containing the unnatural base pairs. The present invention also relates to methods for incorporating an unnatural base bearing a functional substituent attached thereto into DNA by a nucleic acid replication reaction. The present invention also relates to methods for replicating and selectively collecting a nucleic acid containing an unnatural base pair from a nucleic acid pool. The present invention also relates to methods for determining a sequence of natural bases in the proximity of an unnatural base in DNA for achieving highly efficient and highly selective replication of a nucleic acid containing the unnatural base.
摘要翻译：本发明涉及Ds（5-氨基-7-（2-噻吩基）-3H-咪唑并[4,5-b]吡啶-3-基）和Pa衍生物（2-硝基具有可以以高选择性/高效率复制的位置4上连接的＆pgr-电子系统的取代基的-1H-吡咯-1-基以及用于复制含有非天然碱基对的核酸的方法。本发明还涉及通过核酸复制反应将具有连接到其上的功能性取代基的非天然碱掺入DNA中的方法。本发明还涉及用于从核酸池复制和选择性收集含有非天然碱基对的核酸的方法。本发明还涉及用于确定DNA中非天然碱基附近的天然碱基序列的方法，以实现含有非天然碱的核酸的高效和高选择性复制。

9. 发明申请

US20100285598A1 Novel Artificial Base Pairs and Uses Thereof 有权
标题翻译：新型人造基础对及其用途
公开(公告)号：US20100285598A1
公开(公告)日：2010-11-11
申请号：US11989840
申请日：2006-08-04
申请人： Ichiro Hirao , Michiko Hirao , Shigeyuki Yokoyama
发明人： Ichiro Hirao , Michiko Hirao , Shigeyuki Yokoyama
IPC分类号： G01N33/00 , C07H21/02 , C07H21/04
CPC分类号： C12Q1/6816 , C12Q1/6844 , Y10T436/143333 , C12Q2563/107 , C12Q2525/101 , C12Q2525/117
摘要： The present invention provides nucleic acids based on novel artificial base pairing, as well as a preparation method and uses thereof.In the nucleic acids of the present invention, a nucleotide having a substituted or unsubstituted 2-formyl-1H-pyrrol-1-yl group as a base forms a base pair with a nucleotide having a 6-substituted 9H-purin-9-yl group as a base. The inventive method for preparing a nucleic acid comprises effecting transcription, reverse transcription or replication by using, as a template, a nucleic acid incorporating a nucleotide having a substituted or unsubstituted 2-formyl-1H-pyrrol-1-yl group as a base, so that the nucleotide having a 6-substituted 9H-purin-9-yl group is incorporated at a site complementary to the nucleotide having a substituted or unsubstituted 2-formyl-1H-pyrrol-1-yl group.
摘要翻译：本发明提供了基于新的人造碱基配对的核酸及其制备方法和用途。在本发明的核酸中，具有取代或未取代的2-甲酰基-1H-吡咯-1-基作为碱基的核苷酸与具有6-取代的9H-嘌呤-9-基的核苷酸形成碱基对集团为基地。用于制备核酸的本发明的方法包括通过使用掺入具有取代或未取代的2-甲酰基-1H-吡咯-1-基的核苷酸作为碱的核酸作为模板来实现转录，逆转录或复制，使得具有6-取代的9H-嘌呤-9-基的核苷酸掺入与具有取代或未取代的2-甲酰基-1H-吡咯-1-基的核苷酸互补的位点。

10. 发明申请

US20090286247A1 Novel nucleic acid base pair 审中-公开
标题翻译：新型核酸碱基对
公开(公告)号：US20090286247A1
公开(公告)日：2009-11-19
申请号：US12459794
申请日：2009-07-07
申请人： Ichiro Hirao , Masahide Ishikawa , Tsuyoshi Fujihara , Shigeyuki Yokoyama
发明人： Ichiro Hirao , Masahide Ishikawa , Tsuyoshi Fujihara , Shigeyuki Yokoyama
IPC分类号： C12Q1/68 , C07H21/00 , C12P19/34 , C07K1/00 , C12N1/00
CPC分类号： C07H11/04 , C07H19/207 , C07H21/00 , C12N15/11 , C12P21/02
摘要： A novel artificial nucleic acid base pair which is obtained by forming a selective base pair by introducing a group having steric hindrance (preferably a group having steric hindrance and static repulsion and a stacking effect) and can be recognized by a polymerase such as DNA polymerase; a novel artificial gene; and a method of designing nucleic acid bases so as to form a selective base pair with the use of steric hindrance, static repulsion and stacking effect at the base moiety of the nucleic acid. An artificial nucleic acid comprising these bases; a process for producing the same; a codon containing the same; a nucleic acid molecule containing the same; a process for producing a non-natural gene by using the same; a process for producing a novel protein by using the above nucleic acid molecule or non-natural gene, and the like.
摘要翻译：通过引入具有空间位阻的基团（优选具有空间位阻和静电排斥和堆叠效应的基团）形成选择性碱基对而获得的新型人造核酸碱基对，可以通过聚合酶如DNA聚合酶识别; 一种新型人工基因; 以及设计核酸碱基以在核酸的碱基部分上使用空间位阻，静电排斥和堆叠效应形成选择性碱基对的方法。包含这些碱的人造核酸; 其制造方法; 含有相同的密码子; 含有该核酸分子的核酸分子; 通过使用该方法生产非天然基因的方法; 通过使用上述核酸分子或非天然基因来生产新型蛋白质的方法等。

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