3-Fluoro-D-alanine and pharmacologically acceptable esters, and
pharmacologically acceptable salts thereof
    74.
    发明授权
    3-Fluoro-D-alanine and pharmacologically acceptable esters, and pharmacologically acceptable salts thereof 失效
    3-氟-D-丙氨酸和药理学上可接受的酯及其药理学上可接受的盐

    公开(公告)号:US3956367A

    公开(公告)日:1976-05-11

    申请号:US494945

    申请日:1974-08-05

    申请人: Janos Kollonitsch

    发明人: Janos Kollonitsch

    摘要: 3-Fluoro-D-alanine, its pharmacologically acceptable esters, and pharmacologically acceptable salts of the foregoing, as well as other pharmacologically acceptable derivatives of 3-fluoro-D-alanine which, when administered clinically, are effective in releasing 3-fluoro-D-alanine in vivo, are potent antibacterial agents, and are prepared by fluorination of D-alanine with fluoroxyperfluoroalkanes or fluoroxypentasulfur in the presence of a free radical initiator followed by esterification and/or treatment with acids or bases.

    摘要翻译: 3-氟-D-丙氨酸,其药理学上可接受的酯和上述药理学上可接受的盐,以及3-氟-D-丙氨酸的其它药学上可接受的衍生物,其在临床施用时有效释放3-氟-D-丙氨酸, 体内D-丙氨酸是有效的抗菌剂,并且是通过在自由基引发剂的存在下用氟氧氟丙烷氟或氟氧代硫酸氟化D-丙氨酸,然后酯化和/或用酸或碱处理制备的。

    Fluorination catalyst and process
    79.
    发明授权
    Fluorination catalyst and process 失效
    氟化催化剂和工艺

    公开(公告)号:US3804778A

    公开(公告)日:1974-04-16

    申请号:US24967272

    申请日:1972-05-01

    申请人: RHONE PROGIL

    发明人: SALINDRES R

    摘要: A PROCESS FOR THE PREPARATION OF A FLUORINATION CATALYST WHEREIN CHROMIUM AND NICKEL SALTS OF ORGANIC ACIDS ARE TREATED AT AN ELEVATED TEMPERATURE UNDER VACUUM OR IN AN INERT ATMOSPHERE TO PRODUCE NON-STOICHIOMETRIC INORGANIC COMPOUNDS IN WHICH THE CHROMIUM HAS A VALENCE BETWEEN 2 AND 3 AND THE NICKEL HAS A VALENCE BETWEEN 0 AND 2, AND THE MIXTURE OF THE NON-STOICHIOMETRIC COMPOUNDS THEREBY OBTAINED IS SHAPED AND IS THEN CONTACTED WITH ANHYDROUS HYDROGEN FLUORIDE AT AN ELEVATED TEMPERATURE. THE CATALYSTS OF THE PRESENT INVENTION ARE USEFUL IN THE PREPARATION OF PERFLUORO COMPOUNDS BY REACTION OF PERHALOGENATED COMPOUNDS WITH HYDROGEN FLUORIDE.