61.
    发明专利
    未知

    公开(公告)号:DK207176A

    公开(公告)日:1976-11-13

    申请号:DK207176

    申请日:1976-05-11

    Applicant: HOECHST AG

    Abstract: 1,2,2,2-TETRAFLUORETHYL-FLUOROMETHYL ETHER AND PROCESS FOR PREPARING IT The invention relates to 1,2,2,2-tetrafluorethyl-fluoromethyl ether, to a process for preparing it and to its use as inhalation anesthetic.

    67.
    发明专利
    未知

    公开(公告)号:BR6910888D0

    公开(公告)日:1973-05-31

    申请号:BR21088869

    申请日:1969-07-22

    Applicant: HOECHST AG

    Abstract: 1275807 Urethane FARBWERKE, HOECHST AG 24 July 1969 [25 July 1968] 37297/69 Heading C2C The novel urethane of Formula I is prepared by reacting a reactive derivative, e.g. a halide or active ester, of the carbonic semiester of Formula II with 2-piperidinoethylamine. The compound I may be converted into an acid addition salt by reaction with an acid. Cinnamyl p-nitrophenyl carbonate is prepared by reacting cinnamyl alcohol with chlorocarbonic acid p-nitrophenyl ester. Pharmaceutical compositions having a local anaesthetic action comprise the compound I, or a non-toxic acid addition salt thereof, in conjunction with an inert carrier.

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