CAS: 326-06-7; 4,4,4-Trifluoro-1-Phenyl-1,3-Butanedione

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4-Methoxy-4-Phenyl-1,1,1-Trifluorobut-3-En-2-One置于硫酸体系中,用 水 作为反应溶剂,化学反应 16.0H,以54%的收率获得产物苯甲酰三氟丙酮
参考文献:合成1-叔丁基-3(5)-三氟甲基-1H-吡唑的区域选择性和反应介质的比较研究
标题:合成1-叔丁基-3(5)-三氟甲基-1H-吡唑的区域选择性和反应介质的比较研究
摘要:介绍了从 4-烷氧基-1,1,1-三氟-3-烯烃-2 反应合成一系列 1-叔丁基-3(5)-(三氟甲基)-1H-吡唑的研究-Ones [cf3C(O)Ch=c(R1)(Or),其中 R = Et 且 R1 = H 或 R = Me 且 R1 = Me,Ph,4-Me-C6H4,4-Meo-C6H4,4-F-C6H4,4-Cl-C6H4,4-Br-C6H4,4-I-C6H4,Fur-2-Yl,Thien-2-Yl或naphth-2-Yl]与叔丁基肼盐酸盐.当[bmim][bf4](1-丁基-3-甲基咪唑四氟硼酸盐)和吡啶用作反应介质时,我们得到了1-叔丁基-3(5)-三氟甲基吡唑的混合物.当反应在乙醇中的 Naoh 中进行时,会形成具有高区域选择性的 5-三氟甲基-1-叔丁基-1H-吡唑.4-烷氧基-1,1水解后,反应生成1-叔丁基-3-三氟甲基-1H-吡唑,
DOI:10.1002/ejoc.201201111

专利信息

专利号:US-3966818-A
优先权日:1972-03-25
标 题 :Novel process for preparation of 4-hydroxy-2,4,6-trimethyl-2,5-cyclohexadiene-1-one
发明人：ICHIKAWA YATARO; YAMANAKA YOSHIYUKI; TSURUTA HIDEKI
权利人:TEIJIN LTD
摘要:A process for preparing 4-hydroxy-2,4,6-trimethyl-2,5-cyclohexadiene-1-one comprising reacting 2,4,6-trimethyl phenol with molecular oxygen or a molecular oxygen-containing gas. The product (also called mesitylquinol) is an intermediate useful as a raw material for the synthesis of a variety of industrial chemicals such as a drugs, dyestuffs, and pigments.

专利号:US-6150534-A
优先权日:1999-01-14
标题:Synthesis of 4-[5-substituted or unsubstituted phenyl)-3-substituted-1H-pyrazol-1-yl]benzenesulfonamides

专利号:US-6232472-B1
优先权日:1999-01-14
标题:Synthesis of 4-[(5-substituted phenyl)-3-substituted-1H-pyrazol-1-yl]benzenesulfonamide
发明人：O'SHEA PAUL; WANG XIN; TILLYER RICHARD D; CLAS SOPHIE-DOROTHEE; DALTON CHAD
权利人:MERCK FROSST CANADA INC
摘要:This invention encompasses a novel process for synthesizing the compound represented by formula I:These compounds are useful as non-steroidal anti-inflammatory agents.

专利号:WO-0042021-A1
优先权日:1999-01-14
标 题 :Synthesis of 4-[(5-substituted or unsubstituted phenyl) -3-substituted -1h-pyrazol -1-yl] benzenesulfonamides

专利号:JP-4120709-B2
优先权日:1995-11-07
标 题:Synthesis of organic diurethanes and / or polyurethanes and their use for the production of diisocyanates and / or polyisocyanates

专利号:JP-2002534509-A
优先权日:1999-01-14
标 题:Synthesis of 4-[(5-substituted or unsubstituted phenyl) -3-substituted-1H-pyrazol-1-yl] benzenesulfonamides