CAS: 68602-57-3; 2,2,2-Trifluoroacetic Trifluoromethanesulfonic Anhydride

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6226-25-1 74427-22-8 6401-00-9

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CAS号1493-13-6 三氟甲烷磺酸 | CAS号76-05-1 三氟乙酸(TFA) | CAS号407-25-0 三氟乙酸酐(TFAH) | CAS号383-65-3 N-烯丙基-2,2,2-三氟乙酰胺 | CAS号34065-73-1 1,4-Bis-(triflu... | CAS号333-27-7 三氟甲烷磺酸甲酯 | CAS号5672-87-7 4-Methoxyphenol... | CAS号500-73-2 三氟乙酸苯酯 | CAS号383-63-1 三氟乙酸乙酯 | CAS号425-75-2 三氟甲烷磺酸乙酯 | CAS号1493-13-6 三氟甲烷磺酸 | CAS号407-25-0 三氟乙酸酐(TFAH) | CAS号53531-31-0 9-(三氟乙酰)蒽

合成工艺路线路线简述

    📜三氟甲磺酸,三氟乙酸置于phosphorus Pentoxide体系中,化学反应 2.5H,以82%的收率获得产物三氟乙酰三氟甲磺酸酯
    参考文献:Reactions Of The Readily Accessible Electrophile,Trifluoroacetyl Triflate: A Very Reactive Agent For Trifluoroacetylations At Oxygen,Nitrogen,Carbon,Or Halogen Centers
    标题:Reactions Of The Readily Accessible Electrophile,Trifluoroacetyl Triflate: A Very Reactive Agent For Trifluoroacetylations At Oxygen,Nitrogen,Carbon,Or Halogen Centers
    摘要:
    DOI:10.1021/jo00228A002

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    专利信息


    专利号:US-8779201-B2
    优先权日:2007-10-02
    标题 :Process for preparing benzofurans
    发明人：EKLUND LARS
    权利人:CAMBREX KARLSKOGA AB
    摘要:There is provided a process for the preparation of a compound of formula (I), wherein R 1 , R 2 , R 3 , R 4 , X and Y are as described in the description. Such compounds may, for example, be useful intermediates in the synthesis of drugs such as Dronedarone.

    专利号:US-4507230-A
    优先权日:1982-05-12
    标 题 :Peptide synthesis reagents and method of use
    发明人：TAM JAMES P; HEATH JR WILLIAM F; MERRIFIELD ROBERT B
    权利人:RESEARCH CORP
    摘要:A method of releasing a functional group present in an amino acid or amino acyl residue from a resin or protecting residue which is bonded to the functional group by a linkage having proton affinity, which comprises: reacting the functional group bonded to the organic residue, with a mixture of HF and a base for a time and under conditions effective to produce the release; wherein the amounts of HF and base in the mixture are adjusted so that said release occurs substantially by an SN2 mechanism.

    专利号:MX-2011013395-A
    优先权日:2011-12-13
    标 题:EFFICIENT METHODOLOGY FOR THE SYNTHESIS OF PSEUDOSAPOGENINS.

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    合成参考文献


    摘要:Balaban, T. S.; Balaban, A. T., Science of Synthesis, (2003) 14, 113.
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