CAS: 2001-93-6; Pyrimidine-2,4(1H,3H)-Dithione

相似化合物

1450-86-8 1450-85-7 591-28-6

上下游产品

2,6-Dichloropyrimidine thiourea 2-thiouracil uracil2,4-Bis(methylthio)pyrimidine H-pyrimidine-2-thione4-methylamino-1H-pyrimidine-2-thione 2-thi°Cytosine H-pyrimidine-2-thione4-hydrazino-1H-pyrimidine-2-thione

2-硫脲嘧啶置于劳森试剂体系中,用 吡啶 用作溶剂,化学反应 5.0H,以78%的收率获得二硫代脲
参考文献:Pyrimidine Derivatives; 1. The Highly Regioselective 4-Thionation Of Pyrimidine-2,4(1H,3H)-Dione Derivatives With Lawesson Reagent
标题:Pyrimidine Derivatives; 1. The Highly Regioselective 4-Thionation Of Pyrimidine-2,4(1H,3H)-Dione Derivatives With Lawesson Reagent
摘要:利用2,4-Bis(4-Methoxyphenyl)-2,4-Dithioxo-1,3,2,4-Dithiadiphosphetane(lawesson试剂),选择性地将5-氟尿嘧啶,尿嘧啶和胸腺嘧啶等嘧啶碱基的4-氧基转化为相应的4-硫代类似物.2-硫尿嘧啶也被转化为2,4-二硫尿嘧啶,但4-硫尿嘧啶几乎保持不变.
Doi:10.1055/s-1988-27499

专利信息

专利号:US-5688941-A
优先权日:1990-07-27
标题:Methods of making conjugated 4' desmethyl nucleoside analog compounds
发明人：COOK PHILLIP DAN; TENG KELLY
权利人:ISIS PHARMACEUTICALS INC
摘要:Tetrahydrofuranyl compounds are provided that are functionalized to include pendant conjugate groups, and which are useful in diagnostic assays and as research reagents. Novel intermediates for the synthesis of the compounds are also provided.

专利号:US-10337030-B2
优先权日:2016-07-07
标 题 :Microbially-mediated method for synthesis of metal chalcogenide nanoparticles
发明人：MOON JI WON; PHELPS TOMMY JOE; OREMLAND RONALD; GRAHAM DAVID E; IVANOV ILIA N; JACOBS CHRISTOPHER B; JANG GYOUNG GUG; KIDDER MICHELLE K; JOSHI POORAN C; ARMSTRONG BETH L
权利人:UT BATTELLE LLC; U S GEOLOGICAL SURVEY
摘要:A method for producing metal chalcogenide nanoparticles, the method comprising: (i) producing hydrogen chalcogenide-containing vapor from a microbial source, wherein said microbial source comprises: (a) chalcogen-reducing microbes capable of producing hydrogen chalcogenide vapor from a chalcogen-containing source; (b) a culture medium suitable for sustaining said chalcogen-reducing microbes; (c) at least one chalcogen-containing compound that can be converted to hydrogen chalcogenide vapor by said chalcogen-reducing microbes; and (d) at least one nutritive compound that provides donatable electrons to said chalcogen-reducing microbes during consumption of the nutritive compound by said chalcogen-reducing microbes; and (ii) directing said hydrogen chalcogenide-containing vapor into a metal-containing solution comprising a metal salt dissolved in a solvent to produce metal chalcogenide nanoparticles in said solution, wherein said chalcogen is sulfur or selenium, and said chalcogenide is sulfide or selenide, respectively. The invention is also directed to metal chalcogenide nanoparticle compositions produced as above and having distinctive properties.

专利号:US-9768333-B2
优先权日:2009-02-03
标题:Microbially-mediated method for synthesis of non-oxide semiconductor nanoparticles
发明人：PHELPS TOMMY J; LAUF ROBERT J; MOON JI-WON; RONDINONE ADAM JUSTIN; LOVE LONNIE J; DUTY CHAD EDWARD; MADDEN ANDREW STEPHEN; LI YILIANG; IVANOV ILIA N; RAWN CLAUDIA JEANETTE
权利人:UT BATTELLE LLC; UNIV TENNESSEE RES FOUND
摘要:The invention is directed to a method for producing non-oxide semiconductor nanoparticles, the method comprising: (a) subjecting a combination of reaction components to conditions conducive to microbially-mediated formation of non-oxide semiconductor nanoparticles, wherein said combination of reaction components comprises i) anaerobic microbes, ii) a culture medium suitable for sustaining said anaerobic microbes, iii) a metal component comprising at least one type of metal ion, iv) a non-metal component comprising at least one non-metal selected from the group consisting of S, Se, Te, and As, and v) one or more electron donors that provide donatable electrons to said anaerobic microbes during consumption of the electron donor by said anaerobic microbes; and (b) isolating said non-oxide semiconductor nanoparticles, which contain at least one of said metal ions and at least one of said non-metals. The invention is also directed to non-oxide semiconductor nanoparticle compositions produced as above and having distinctive properties.

专利号:US-10557210-B2
优先权日:2014-02-24
标题 :Direct electrochemical synthesis of doped conductive polymers on metal alloys
发明人：KINLEN PATRICK JOHN; LAWLESS LAWRENCE MICHAEL
权利人:BOEING CO
摘要:This disclosure relates generally to the discovery of improved methods of reducing corrosion on metals and metal alloys without using hexavalent chromium reagents. More particularly, the disclosure relates to preparing corrosion resistant metals using doped conducting polymers such as polyaniline (PANI) on metal alloys such as aluminum alloys.

专利号:US-8759053-B2
优先权日:2009-02-03
标 题 :Microbially-mediated method for synthesis of non-oxide semiconductor nanoparticles
发明人：PHELPS TOMMY J; LAUF ROBERT J; MOON JI WON; RONDINONE ADAM J; LOVE LONNIE J; DUTY CHAD EDWARD; MADDEN ANDREW STEPHEN; LI YILIANG; IVANOV ILIA N; RAWN CLAUDIA JEANETTE
权利人:PHELPS TOMMY J; LAUF ROBERT J; MOON JI WON; RONDINONE ADAM J; LOVE LONNIE J; DUTY CHAD EDWARD; MADDEN ANDREW STEPHEN; LI YILIANG; IVANOV ILIA N; RAWN CLAUDIA JEANETTE; UT BATTELLE LLC; UNIV TENNESSEE RES FOUNDATION
摘要:The invention is directed to a method for producing non-oxide semiconductor nanoparticles, the method comprising: (a) subjecting a combination of reaction components to conditions conducive to microbially-mediated formation of non-oxide semiconductor nanoparticles, wherein said combination of reaction components comprises i) anaerobic microbes, ii) a culture medium suitable for sustaining said anaerobic microbes, iii) a metal component comprising at least one type of metal ion, iv) a non-metal component containing at least one non-metal selected from the group consisting of S, Se, Te, and As, and v) one or more electron donors that provide donatable electrons to said anaerobic microbes during consumption of the electron donor by said anaerobic microbes; and (b) isolating said non-oxide semiconductor nanoparticles, which contain at least one of said metal ions and at least one of said non-metals. The invention is also directed to non-oxide semiconductor nanoparticle compositions produced as above and having distinctive properties.

专利号:WO-9419023-A1
优先权日:1993-02-19
标 题:Cyclobutyl antisense oligonucleotides, methods of making and use thereof
发明人：COOK PHILLIP DAN; BASCHANG GERHARD
权利人:ISIS PHARMACEUTICALS INC
摘要:Oligonucleotide surrogates comprising a plurality of cyclobutyl moieties covalently joined by linking moieties are prepared and used as antisense diagnostics, therapeutics and research reagents. Methods of synthesis and use of both the oligonucleotide surrogates and intermediates thereof are disclosed.