利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

53 条记录 (耗时 0.017 秒)

    Process for preparing trifluoroacetyl fluoride
    2.
    发明授权
    Process for preparing trifluoroacetyl fluoride 失效
    制备三氟乙酰氟的方法

    公开(公告)号：US5672748A

    公开(公告)日：1997-09-30

    申请号：US496634

    申请日：1995-06-29

    申请人： Frank Ebmeyer ,  Tobias Metzenthin ,  Gunter Siegemund

    发明人： Frank Ebmeyer ,  Tobias Metzenthin ,  Gunter Siegemund

    IPC分类号： B01J23/26 ,  C07B61/00 ,  C07C51/363 ,  C07C51/62 ,  C07C53/48 ,  C07C51/58

    CPC分类号： C07C51/62

    摘要： The invention relates to the preparation of trifluoroacetyl fluoride by reacting trichloroacetyl chloride with anhydrous hydrogen fluoride in the gaseous phase on a catalyst which is obtainable by reacting a water-soluble chromium (III) salt with magnesium hydroxide or magnesium oxide in the presence of water, converting the reaction mixture into a paste, drying the paste and treating it with hydrogen fluoride.

    摘要翻译： 本发明涉及通过使三氯乙酰氯与无水氟化氢在气相中在催化剂上反应制备三氟乙酰氟，该催化剂可通过使水溶性铬（III）盐与氢氧化镁或氧化镁在水存在下反应而得到， 将反应混合物转化成糊状物，干燥糊状物并用氟化氢处理。

    Process for the addition of HF to halogenated alkenes
    5.
    发明授权
    Process for the addition of HF to halogenated alkenes 失效
    向卤代烯烃中加入HF的方法

    公开(公告)号：US5969199A

    公开(公告)日：1999-10-19

    申请号：US93534

    申请日：1998-06-08

    申请人： Raimund Franz ,  Gunter Siegemund

    发明人： Raimund Franz ,  Gunter Siegemund

    IPC分类号： C07C17/20 ,  C07B61/00 ,  C07C17/087 ,  C07C19/08

    CPC分类号： C07C17/087

    摘要： The invention relates to a process for the addition of HF to halogenated alkenes by reacting these with at least one hydrofluoride of the formula [B.cndot.n HF], in which B is an organic nitrogen base and n is an integer or fraction .ltoreq.4, it being intended that the reaction of perfluoroiso-butene CF.sub.2 =C(CF.sub.3).sub.2 is excluded.

    摘要翻译： 本发明涉及通过使这些与至少一种式[Bn HF]的氢氟酸反应，其中B是有机氮碱并且n是整数或分数的方法，将HF加成到卤代烯烃中的方法， 意图是排除全氟异丁烯CF 2 = C（CF 3）2的反应。

    Process for the preparation of reaction products of 2,2-bis-(4-hydroxphenyl)-hexafluoropropane and new derivatives of this type
    7.
    发明授权
    Process for the preparation of reaction products of 2,2-bis-(4-hydroxphenyl)-hexafluoropropane and new derivatives of this type 失效
    制备2,2-双 - （4-羟基苯基） - 六氟丙烷和这种新型衍生物的反应产物的方法

    公开(公告)号：US5028728A

    公开(公告)日：1991-07-02

    申请号：US515202

    申请日：1990-04-27

    申请人： Klaus-Albert Schneider ,  Gunter Siegemund

    发明人： Klaus-Albert Schneider ,  Gunter Siegemund

    IPC分类号： C07C319/14 ,  C07C67/00 ,  C07C205/26 ,  C07C209/00 ,  C07C209/18 ,  C07C209/36 ,  C07C211/52 ,  C07C211/54 ,  C07C213/00 ,  C07C217/52 ,  C07C217/58 ,  C07C217/92 ,  C07C303/00 ,  C07C307/00 ,  C07C309/00 ,  C07C309/63 ,  C07C309/72 ,  C07C309/73 ,  C07C311/00 ,  C07C313/00 ,  C07C323/09 ,  C07C323/18 ,  C07C323/34 ,  C07C323/36 ,  C07C323/37

    CPC分类号： C07C323/00 ,  C07C309/00

    摘要： Process for the preparation of compounds of the formula I ##STR1## in which R.sup.1 denotes NO.sub.2 or NH.sub.2 andR.sup.2 denotes a radical of a cycloaliphatic amine having 6 ring atoms and a total of not more than 10 carbon atoms, a benzylamine radical, an aniline radical which contains up to three substituents belonging to the group comprising alkyl, alkoxy, chlorine and bromine, not more than two of which can be halogen and not more than one of which can be alkoxy, and contains a total of not more than 10 carbon atoms, or which contains a trifluoromethyl or phenoxy group, or R.sup.2 denotes the phenylmercapto radical or the benzylmercapto radical, compounds of the formula I in which R.sup.1 is NO.sub.2 or NH.sub.2 and R.sup.2 denotes a radical of a cycloaliphatic amine having 6 ring atoms and a total of not more than 10 carbon atoms, a benzylamine radical, an aniline radical which contains at least one, but up to three, substituents belonging to the group comprising alkyl, alkoxy, chlorine and bromine, not more than two of which can be halogen and not more than one of which can be alkoxy, and contains a total of not more than 10 carbon atoms, or which contains a trifluoromethyl group, or R.sup.2 denotes the phenylmercapto radical or the benzylmercapto radical, and also compounds of the formula II ##STR2## in which R.sup.3 denotes hydrogen or NO.sub.2 and R.sup.4 denotes OMes, OTos or OBros, and also a process for the preparation of compounds of the formula II.

    摘要翻译： 制备式I化合物的方法，其中R1表示NO2或NH2，R2表示具有6个环原子且总共不超过10个碳原子的脂环族胺基，苄胺基，苯胺 其包含多至三个属于包括烷基，烷氧基，氯和溴的基团的取代基，其中不超过两个可以是卤素，并且不多于一个可以是烷氧基，并且含有总共不超过10个碳 原子，或其中含有三氟甲基或苯氧基，或R 2表示苯基巯基或苄基巯基，其中R 1为NO 2或NH 2的式I化合物和R 2表示具有6个环原子的环脂族胺基团， 不大于10个碳原子的苄胺基，苯胺基，其含有至少一个但至多三个属于包括烷基，烷氧基，氯和溴的基团，不超过二个w 可以是卤素，其中不超过一个可以是烷氧基，并且总共含有不超过10个碳原子，或含有三氟甲基，或者R2表示苯基巯基或苄基巯基，以及 式II 其中R3表示氢或NO2，R4表示OMes，OTos或OBros，以及制备式II化合物的方法。

    Process for the preparation of imidates
    10.
    发明授权
    Process for the preparation of imidates 失效
    亚胺化物的制备方法

    公开(公告)号：US4727142A

    公开(公告)日：1988-02-23

    申请号：US853635

    申请日：1986-04-18

    申请人： Andreas Fuss ,  Gunter Siegemund

    发明人： Andreas Fuss ,  Gunter Siegemund

    IPC分类号： C07D207/34 ,  B01J27/00 ,  C07B61/00 ,  C07C67/00 ,  C07C241/00 ,  C07C253/00 ,  C07C255/61 ,  C07C257/04 ,  C07C325/00 ,  C07C327/58 ,  C07D207/32 ,  C07D207/335 ,  C07D213/53 ,  C07D213/65 ,  C07D213/69 ,  C07D213/81 ,  C07D213/82 ,  C07D277/74 ,  C07D295/13 ,  C07D307/68 ,  C07D333/22 ,  C07D333/38 ,  C07D521/00 ,  C07C119/18 ,  C07C119/20 ,  C07D401/00 ,  C07D409/00

    CPC分类号： C07D207/335 ,  C07D213/53 ,  C07D213/69 ,  C07D295/13 ,  C07D307/68 ,  C07D333/22

    摘要： The invention relates to a process for the preparation of compounds of the formula I and salts or acid addition compounds thereof ##STR1## in which R denotes hydrogen, (halogenated) alkyl with the exception of CF.sub.3, a (substituted) aromatic radical, (substituted) heteroaryl, (substituted) phenoxy, (substituted) phenylthio, (substituted) phenylamino, halogen, hydroxyl, alkoxy, mercapto, (halogenated) cycloalkyl, alkylmercapto, amino, monoalkylamino or dialkylamino,R.sup.1 denotes (substituted alkyl, (substituted) phenyl or naphthyl, alkenyl, alkinyl, cycloalkyl, (substituted) benzyl or heteroaryl, and X denotes oxygen or sulfur, which comprises reacting a nitrile of the formula II with a compound of the formula IIIR--C.tbd.N (II)R.sup.1 --XH (III) in the presence of anhydrous hydrofluoric acid, a perfluoroalkanecarboxylic acid, a perfluoralkanesulfonic acid or a perfluorinated ion exchanger containing sulfonic acids, and converting the resulting salts of the formula I, if appropriate by the addition of bases, into the free imidates of the formula I and, if approximate, converting the latter subsequently into further salts or acid addition compounds. The invention also relates to the new compounds of the formula I in which R.sup.1 denotes a (substituted) phenyl radical and R and X have the meanings mentioned. The compounds of the formula I are valuable intermediate products in the preparation of plant protection agents and pharmaceuticals.

    摘要翻译： 本发明涉及一种制备式I化合物的方法及其盐或酸加成化合物，其中R表示氢，（卤代）烷基，除CF 3，（取代的）芳族基团 ，（取代的）杂芳基，（取代的）苯氧基，（取代的）苯硫基，（取代的）苯基氨基，卤素，羟基，烷氧基，巯基，（卤代）环烷基，烷基巯基，氨基，单烷基氨基或二烷基氨基， ）苯基或萘基，烯基，炔基，环烷基，（取代的）苄基或杂芳基，X表示氧或硫，其包括使式II的腈与式III的化合物RC 3BOND N（II）R1-XH （III）在无水氢氟酸，全氟烷烃羧酸，全氟烷基磺酸或含有磺酸的全氟化离子交换剂的存在下，如果合适的话，将所得的式I的盐转化成 将碱的加入到式I的游离亚胺基中，并且如果接近，则将其转化成其后的盐或酸加成化合物。 本发明还涉及式I的新化合物，其中R 1表示（取代的）苯基，R和X具有上述含义。 式I的化合物是制备植物保护剂和药物的有价值的中间产物。