CAS: 68-22-4; Norethisterone

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CAS号68-23-5 异炔诺酮 | CAS号434-22-0 诺龙 | CAS号734-32-7 甲基双酮 | CAS号2863-88-9 3-ethoxy-3,5-es... | CAS号74-86-2 乙炔 | CAS号1091-93-6 3-甲氧基-2,5(10)-二... | CAS号75863-04-6 3-Methoxy-6,7:8... | CAS号1624-62-0 雌酮-3-甲醚 | CAS号17976-32-8 2,5(10)-estradi... | CAS号52-76-6 利奈孕醇 | CAS号52-78-8 诺乙雄龙 | CAS号38002-18-5 6-酮乙炔雌二醇 | CAS号67696-78-0 6-氧炔诺酮 | CAS号57-63-6 炔雌醇 | CAS号51-98-9 醋酸炔诺酮 | CAS号734-32-7 甲基双酮

诺龙置于chromium(Vi) Oxide,Potassium 2-Methylbutan-2-Olate体系中,化学反应生成 炔诺酮
参考文献:Steroids. Liv.1 Synthesis Of 19-Nov-17α-Ethynyltestosterone And 19-Nor-17α-Methyltestosterone2
标题:Steroids. Liv.1 Synthesis Of 19-Nov-17α-Ethynyltestosterone And 19-Nor-17α-Methyltestosterone2
摘要:
DOI:10.1021/ja01645A010

专利信息

专利号:WO-2014067127-A1
优先权日:2012-11-02
标题 :Method for synthesis of 6-methyl-17α-acetoxy-19-norpregn-4,6-diene-3,20-dione
发明人：HUANG YUNSHENG; XIA QIU; LU HELIN; ZHU YAN; WU TIE; CAO LIN
权利人:HUANG YUNSHENG; XIA QIU; LU HELIN; ZHU YAN; WU TIE; CAO LIN
摘要:The present invention relates to a field of compound synthesis and specifically to novel method for the synthesis of 6-methyl-17α-acetoxy-19-norpregn-4,6-diene-3,20-dione. According to the method, norethisterone is used as the starting material to prepare 6-methyl-17α-acetoxy-19-norpregn-4,6-diene-3,20-dione. The method overcomes the defects in the prior art, simplifies the operation and reduces the production cost. The reaction operations are simple, yields are high, and the yield of each step is greater than or equal to 80%.

专利号:US-2024197774-A1
优先权日:2021-04-16
标 题:Synthesis of Antimicrobial PVP-coated Bismuth Nanoparticles
发明人：LOPEZ-RIBOT JOSE; VAZQUEZ-MUNOZ ROBERTO
权利人:UNIV TEXAS
摘要:Described herein is a facile, fast, and economical method for the synthesis of BAL-mediated PVP-BiNPs, using basic laboratory instruments and reagents readily available in most laboratories.

专利号:US-12221452-B2
优先权日:2017-10-04
标题:Synthesis of cantharidin
发明人：DAVIDSON MATTHEW GENE; EKLOV BRIAN MATTHEW; WUTS PETER; LOERTSCHER BRAD MELVIN; SCHOW STEVEN R
权利人:VERRICA PHARMACEUTICALS INC
摘要:The invention provides synthetic methods for the preparation of cantharidin and analogs thereof. In one aspect, the invention provides an improved Diels-Alder cycloaddition to generate a key intermediate en route to cantharidin and analogs thereof. In certain embodiments, the new Diels-Alder reaction involves reacting Compound (2) in the presence of furan, and in the absence of acid or increased pressure, in an aprotic polar solvent with slight warming, to yield Compound (1) in favorable yield and exo-endo ratio. In another aspect, the invention also provides a new Diels-Alder reaction between compounds of Formula (III) and furan to yield compounds of Formula (IV), which can then be transformed into cantharidin or analogs thereof. In yet another aspect, the invention describes a new palladium-mediated carbonylation providing another key intermediate en route to cantharidin and analogs thereof. In addition to synthetic methods, present invention also provides compounds (i.e., intermediates) useful in the synthesis of cantharidin and analogs thereof. Compounds provided herein may have biological activity, and therefore may be used in the treatment of diseases or conditions (e.g., infectious diseases and skin conditions).

专利号:US-4581416-A
优先权日:1981-01-19
标题 :Process for the synthesis of tertiary phosphine oxides and sulfides, and new tertiary phosphine oxides and sulfides
发明人：BERGERET WILFRID; BOILEAU SYLVIE; GAUTIER JEAN-CLAUDE; RAYNAL SERGE
权利人:POUDRES & EXPLOSIFS STE NALE
摘要:The invention relates to processes for the synthesis of tertiary phosphine oxides and sulfides. The process according to the invention consists, in a first step, of reacting a secondary phosphine oxide or sulfide with an optionally activated alkali metal amide, and, in a second step, of reacting the mixture obtained in the first step with an organic halide containing at least one halogenophenyl radical or one halogenomethyl group. Tertiary phosphine oxides and sulfides are complexing agents of high stability.

专利号:WO-2021137711-A1
优先权日:2019-12-31
标题 :Synthesis of polyesters in aqueous polymerization systems 'from solid to solid' via biocatalysis
发明人：JOAQUIM PINA DA FONSECA LUIS; CAROLINA DOLVITSCH PFLUCK ANA; POPOVIC CORREIA DE BARROS DRAGANA
权利人:INST SUPERIOR TECNICO
摘要:The present invention relates to a process for the synthesis of polyesters comprising reacting a dicarboxylic acid monomer with a dialcohol monomer, in an equimolar concentration in the range of 0.2 M to 1.0 M, in the presence of a biocatalyst, in an aqueous polymerization medium, at a temperature in the range of 25-45°C, the biocatalyst being in the form of an enzyme immobilized on a solid support. The present invention further provides a copolymer obtained by the invention process.

专利号:US-11807884-B2
优先权日:2017-12-09
标题:Generation-dependent supramolecular assemblies of protein-dendron conjugates
发明人：BRITTO Sandanaraj Selvaraj; BHANDARI PAVANKUMAR JANARDHAN; REDDY Mullapudi Mohan
权利人:INDIAN INSTITUTE OF SCIENCE EDUCATION AND RES
摘要:The present invention discloses monodisperse protein-dendron conjugates that self-assemble to generation-dependent supramolecular protein assemblies of different size and surface charges. The invention further provides a process for synthesis of protein-dendron conjugates containing hydrophobic dendron of different generations.