CAS: 454-31-9; Ethyl 2,2-Difluoroacetate

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CAS号64-17-5 乙醇 | CAS号359-12-6 二氟乙腈 | CAS号535-15-9 二氯乙酸乙酯 | CAS号2925-22-6 2,2-difluoroace... | CAS号512-51-6 1,1,2,2-四氟乙基乙基醚 | CAS号557-99-3 氟乙酰 | CAS号592-76-7 1-庚烯 | CAS号7648-30-8 二氟碘乙酸乙酯 | CAS号667-27-6 二氟溴乙酸乙酯 | CAS号383-62-0 二氟氯乙酸乙酯 | CAS号111423-29-1 1,1-difluoronon... | CAS号395-01-7 2,2-二氟苯乙酮 | CAS号431-05-0 1,1-二氟丙酮 | CAS号372-31-6 三氟乙酰乙酸乙酯 | CAS号381-73-7 二氟乙酸 | CAS号109-94-4 甲酸乙酯 | CAS号383-63-1 三氟乙酸乙酯 | CAS号359-13-7 2,2-二氟乙醇 | CAS号148992-43-2 二氟乙醛缩半乙醇 | CAS号359-38-6 2,2-二氟乙酰胺

二氟碘乙酸乙酯置于diethylzinc体系中,用 正己烷,氘代乙腈 作为反应溶剂,化学反应 8.0H,反应生成 二氟乙酸乙酯
参考文献:二乙基锌介导的烯烃和炔烃的自由基1,2-加成
标题:二乙基锌介导的烯烃和炔烃的自由基1,2-加成
摘要:提出了一种新颖的由二乙基锌介导的全氟烷基碘与非活化烯烃和炔烃进行的1,2-基自由基加成反应,这表明了一种反应生成二氟乙酸乙酯基团的新方法.该方法非常高效,可实现底物的完全转化,产物的高收率和可忽略的副产物,并且不需要柱色谱法纯化.温和的条件使该协议能够表现出出色的官能团兼容性.
DOI:10.1021/acs.Orglett.1C00669

专利信息

专利号:US-2023068064-A1
优先权日:2019-12-02
标题 :Process for synthesis of a 2-thioalkyl pyrimidine
发明人：HONG JUNBAE
权利人:FMC CORP
摘要:A method for preparing a compound of Formula 1 and compounds therefrom, comprising treating a compound of Formula 2 with a compound of Formula 3 and reacting the resulting intermediate of Formula 4 with a compound of Formula 5 (or a salt thereof). The compound of Formula 1, prepared by the above method, can be used to prepare a compound of Formula 8 wherein R2, R3, R4, m and r are as defined in the specification.

专利号:US-12291525-B2
优先权日:2019-12-02
标题:Process for synthesis of a 2-(5-isoxazolyl)-phenol
发明人：HONG JUNBAE; BRUENING JOERG
权利人:FMC CORP
摘要:A method for preparing a compound of Formula (1) and compounds therefrom, comprising treating a compound of Formula (2) to provide a compound of Formula (5) and treating the compound of Formula (5) with a hydroxylamine salt wherein R1, R2 and m are as defined in the specification. The compound of Formula (1), prepared by the above method, can be used to prepare a compound of Formula (8) wherein R1, R2, R3 and m are as defined in the specification.

专利号:US-12040487-B1
优先权日:2019-02-26
标 题:Positive electrode active material, positive electrode having the same and lithium secondary battery
发明人：MICHOT CHRISTOPHE
权利人:MICHOT CHRISTOPHE
摘要:The invention relates to a process for the preparation of carbon-deposited alkali metal oxyanion and the use thereof as cathode material in lithium secondary batteries wherein the process comprises synthesis of partially reacted alkali metal oxyanion, a wet-based nanomilling step, a drying step and a subsequent carbon deposition step performed by a thermal CVD process. The invention also relates to carbon deposited alkali metal oxyanion with less than 80 ppm of sulfur impurities for the preparation of a cathode of lithium secondary batteries with exceptional high-temperature electrochemical properties.

专利号:US-2023061554-A1
优先权日:2019-12-02
标 题:Process for synthesis of a 2-(5-isoxazolyl)-phenol

专利号:AU-2020398861-A1
优先权日:2019-12-02
标题 :Process for synthesis of a 2-(5-isoxazolyl)-phenol

专利号:AU-2020395117-A1
优先权日:2019-12-02
标 题:Process for synthesis of a 2-thioalkyl pyrimidine