CAS: 99498-65-4; 1-Phenyl-3-(Trifluoromethyl)-1H-Pyrazole

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    📜(E)-1,1,1-Trifluoro-4-(N-[(E)-(4-Nitrophenyl)Methylideneamino]Anilino)But-3-En-2-One置于盐酸体系中,用 乙腈 作为反应溶剂,化学反应 1.0H,反应生成 1-苯基-3-三氟甲基吡唑
    参考文献:New Strategy For The Regioselective Synthesis Of 1-Phenyl-3-Trifluoromethyl-1H-Pyrazoles
    标题:New Strategy For The Regioselective Synthesis Of 1-Phenyl-3-Trifluoromethyl-1H-Pyrazoles
    摘要:A Regioselective Synthesis Of 3-Trifluoromethyl-1-Phenyl-1H-Pyrazoles (1,3-Isomers) As Well As Their 1,5-Isomers (5-Trifluoromethyl-1-Phenyl-1H-Pyrazoles),Is Described. The 1,3-Isomers Were Obtained From The Reaction Of 4-Alkoxy-1,1,1-Trifluoroalk-3-En-2-Ones With Arylhydrazones Followed By Deprotective Hydrolysis While The 1,5-Isomer Was Obtained By Direct Cyclocondensation Of 4-Alkoxy-1,1,1-Trifluoroalk-3-En-2-Ones With Phenylhydrazine. An Unequivocal Assignment Of The 1,3-And 1,5-Isomers Of The Pyrazole Products Is Given. (C) 2013 Elsevier Ltd. All Rights Reserved.
    DOI:10.1016/j.Tetlet.2013.05.103

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    专利信息


    专利号:BR-PI1105807-A2
    优先权日:2011-11-04
    标题 :regioselective synthesis process of 3-trifluoromethyl-1-phenylpyrazoles

    专利号:BR-PI1105807-B1
    优先权日:2011-11-04
    标题:REGIOSSELECTIVE SYNTHESIS PROCESS OF 3-TRIFLUORMETIL-1-PHENYLPIRAZOLIS

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    合成参考文献


    参考文献:10.1021/jm2011645
    摘要:Hasui T, Matsunaga N, Ora T, Ohyabu N, Nishigaki N, Imura Y, Igata Y, Matsui H, Motoyaji T, Tanaka T, Habuka N, Sogabe S, Ono M, Siedem CS, Tang TP, Gauthier C, De Meese LA, Boyd SA, Fukumoto S. Identification of benzoxazin-3-one derivatives as novel, potent, and selective nonsteroidal mineralocorticoid receptor antagonists. J Med Chem. 2011 Dec 22;54(24):8616–31. doi: 10.1021/jm2011645.
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