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    • 11. 发明授权
    • Cis-4-(2,2,3,3-tetrafluoropropoxy)-cinnamonitrile and
trans-4-(2,2,3,3-tetrafluoropropoxy)-cinnamonitrile and a process for
their preparation
    • 顺式-4-(2,2,3,3-四氟丙氧基) - 肉桂腈和反式-4-(2,2,3,3-四氟丙氧基) - 肉桂腈及其制备方法
    • US5663410A
    • 1997-09-02
    • US554185
    • 1995-11-06
    • Matthias BellerRalf Pfirmann
    • Matthias BellerRalf Pfirmann
    • C07B53/00C07C253/30C07C253/34C07C255/37C07C255/07
    • C07C253/34C07C255/37
    • The present invention relates to the compounds cis-4-(2,2,3,3-tetrafluoropropoxy)cinnamonitrile and trans-4-(2,2,3,3-tetrafluoropropoxy)cinnamonitrile and to a process for their preparation. The process relates to the preparation of cis-4-(2,2,3,3-tetrafluoropropoxy)cinnamonitrile and trans-4-(2,2,3,3-tetrafluoropropoxy)cinnamonitrile or optionally one of these two compounds, by fractionally distilling a mixture containing cis- and trans-4-(2,2,3,3-tetrafluoropropoxy)cinnamonitrile under reduced pressure, separating off a main fraction containing at least 80% by weight of cis-4-(2,2,3,3-tetrafluoropropoxy)cinnamonitrile and a main fraction containing at least 80% by weight of trans-4-(2,2,3,3-tetrafluoropropoxy)cinnamonitrile, further purifying these main fractions by means of fractional crystallization or melt crystallization or adjusting one of these main fractions by isomerization to the cis/trans isomer ratio corresponding to the particular thermodynamic equilibrium and returning it to the process and returning the remaining fractions to the process directly or after isomerization.
    • 本发明涉及顺式-4-(2,2,3,3-四氟丙氧基)肉桂腈和反式-4-(2,2,3,3-四氟丙氧基)肉桂腈的化合物及其制备方法。 该方法涉及顺式-4-(2,2,3,3-四氟丙氧基)肉桂腈和反式-4-(2,2,3,3-四氟丙氧基)肉桂腈或任选的这两种化合物之一的制备 在减压下蒸馏含有顺式和反式-4-(2,2,3,3-四氟丙氧基)肉桂腈的混合物,分离出含有至少80重量%的顺式-4-(2,2,3,3-四氟丙氧基) ,3-四氟丙氧基)肉桂腈和含有至少80重量%反式-4-(2,2,3,3-四氟丙氧基)肉桂腈的主要馏分,通过分级结晶或熔融结晶或调节进一步纯化这些主要馏分 这些主要部分之一通过异构化到对应于特定热力学平衡的顺式/反式异构体比例并将其返回到该方法中,并将剩余部分直接或异构化后返回至该方法。
    • 13. 发明授权
    • N'-substituted N-amino-3,4,5,6-tetrafluorophthalimides, and processes
for their preparation
    • N-取代的N-氨基-3,4,5,6-四氟邻苯二酰亚胺,及其制备方法
    • US5304655A
    • 1994-04-19
    • US126794
    • 1993-09-24
    • Theodor PapenfuhsRalf Pfirmann
    • Theodor PapenfuhsRalf Pfirmann
    • C07D209/48
    • C07D209/48
    • Compounds of the formula ##STR1## in which X is the radical ##STR2## where R.sub.1 and R.sub.2 are in each case a hydrogen atom, an alkyl-(C.sub.1 -C.sub.10) group, aryl group, alkyl(C.sub.1 -C.sub.6)-CO group or aryl-CO group, where the aryl or aryl-CO group in the case of R.sub.1 and R.sub.2 can be substituted on the aromatic ring by fluorine and/or chlorine atoms and/or alkyl(C.sub.1 -C.sub.4) groups, or R.sub.1 and R.sub.2 together are a phthaloyl radical which can be substituted on the aromatic ring by 4 chlorine atoms or 4 fluorine atoms, or where X is the radical ##STR3## which can be substituted on the aromatic ring by fluorine and/or chlorine atoms and/or alkyl(C.sub.1 -C.sub.4) groups, and processes for their preparation.
    • 式(1)的化合物,其中X是基团,其中R 1和R 2各自为氢原子,烷基 - (C 1 -C 10)基团,芳基,烷基(C 1 -C 6) -CO基或芳基-CO基,其中在R1和R2的情况下的芳基或芳基-CO基可以在芳环上被氟和/或氯原子和/或烷基(C1-C4)基团取代,或 R1和R2一起是可以在芳环上被4个氯原子或4个氟原子取代的邻苯二甲酰基,或其中X是可以在芳环上被氟和/或氯原子取代的基团, /或烷基(C 1 -C 4)基团,及其制备方法。
    • 15. 发明授权
    • Process for preparing isochroman-3-ones
    • 异苯并二氢吡喃-3-酮的制备方法
    • US6075152A
    • 2000-06-13
    • US286566
    • 1999-04-05
    • Holger GeisslerRalf Pfirmann
    • Holger GeisslerRalf Pfirmann
    • B01J31/24C07B61/00C07D311/76C07D311/74
    • C07D311/76
    • The present invention relates to a process for preparing an isochroman-3-one of the formula (I) by reacting a 1,2-bishalomethylbenzene of the formula (II) ##STR1## in which X is chlorine, bromine or iodine with carbon monoxide and water at a CO pressure of from 0.1 to 50 MPa and a temperature of from 20 to 200.degree. C. in the presence or absence of an ionic halide, in the presence of a palladium catalyst and a dipolar aprotic solvent, where in the formulae (I) and (II) the radicals R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another denote:a hydrogen or fluorine atom;a HO.sub.2 CCH.dbd.CH--, NC-- or F.sub.3 C group;an alkyl, alkoxy or acyloxy radical having in each case 1 to 18 carbon atoms; or a C.sub.6 -C.sub.18 -aryloxy, aryl or heteroaryl radical, where the heteroatoms present are 1 to 3 atoms from the group O, N and/or S;a R.sup.5.sub.2 P(.dbd.O)--, R.sup.6 C(.dbd.O)--, R.sup.6 OC(.dbd.O)--, R.sup.6 OC(.dbd.O)CH.dbd.CH--, R.sup.7 C(.dbd.O)--, R.sup.7 OC(.dbd.O)CH.dbd.CH-- or R.sup.7.sub.2 P(.dbd.O) radical; in which R.sup.5 is a C.sub.1 -C.sub.4 -alkyl radical, R.sup.6 is a C.sub.1 -C.sub.18 -alkyl radical and R.sup.7 is a C.sub.6 -C.sub.18 -aryl radical; or in which at least one of the radicals R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is substituted by a radical R.sup.8, where R.sup.8 has the same meaning as R.sup.1 ; or where at least two of the radicals R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are linked with one another and form at least one aliphatic or aromatic ring having 5 to 18 carbon atoms.
    • 本发明涉及通过使式(II)的1,2-二沙甲基苯(其中X为氯,溴或碘)与一氧化碳和水反应制备式(I)的异苯并二氢吡喃-3-酮的方法, 在钯催化剂和偶极非质子传递溶剂存在下,在离子型卤化物存在或不存在下,在0.1至50MPa的CO压力和20至200℃的温度下,其中式(I) 和(II)基团R 1,R 2,R 3和R 4彼此独立地表示:氢或氟原子; HO2CCH = CH-,NC-或F3C组; 在每种情况下具有1至18个碳原子的烷基,烷氧基或酰氧基; 或C 6 -C 18芳氧基,芳基或杂芳基,其中存在的杂原子是基团O,N和/或S 1至3个原子; (= O) - ,R6C(= O) - ,R6OC(= O) - ,R6OC(= O)CH = CH-,R7C(= O) - ,R7OC(= O)CH = CH-或R72P (= O)基团; 其中R 5是C 1 -C 4 - 烷基,R 6是C 1 -C 18烷基,R 7是C 6 -C 18芳基; 或其中基团R 1,R 2,R 3和R 4中的至少一个被基团R 8取代,其中R 8具有与R 1相同的含义; 或者其中基团R 1,R 2,R 3和R 4中的至少两个彼此连接并形成至少一个具有5至18个碳原子的脂族或芳族环。
    • 17. 发明授权
    • Process for the preparation of salts of substituted or unsubstituted
phthalic acids
    • 用于制备取代或未取代的邻苯二甲酸的盐的方法
    • US5723658A
    • 1998-03-03
    • US641757
    • 1996-05-02
    • Ralf PfirmannTheodor Papenfuhs
    • Ralf PfirmannTheodor Papenfuhs
    • C07C51/06C07C51/00C07C51/41C07C63/72C07C65/03C07C63/16C07C63/17
    • C07C51/00C07C51/41
    • The present invention relates to a process for the preparation of salts of substituted or unsubstituted phthalic acids, by reacting a compound of the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different and are H, F, Cl, Br, CF.sub.3, OH, an alkoxy or alkyl radical in each case having 1 to 4 carbon atoms, or a radical --NR.sup.7 R.sup.8, in which R.sup.7 and R.sup.8 are identical or different and are H, an alkyl radical having 1 to 4 carbon atoms, or a phenyl radical, R.sup.5 and R.sup.6 are identical or different and are H, a --CO-- alkyl group having 1 to 6 carbon atoms in the alkyl radical, or a benzoyl group, or R.sup.5 and R.sup.6 together form a radical of the formula ##STR2## in which R.sup.9, R.sup.10, R.sup.11 and R.sup.12 are identical or different and are H, F, Cl, Br, CF.sub.3, OH, an alkoxy or alkyl radical in each case having 1 to 4 carbon atoms, or a radical --NR.sup.7 R.sup.8, in which R.sup.7 and R.sup.8 are identical or different and are H, an alkyl radical having 1 to 4 carbon atoms, or a phenyl radical, with water, a water-soluble base, and an oxidizing agent at a temperature of -10.degree. to 150.degree. C. in the presence or absence of a water-insoluble solvent inert under the reaction conditions.
    • 本发明涉及一种制备取代或未取代的邻苯二甲酸的盐的方法,其中R1,R2,R3和R4相同或不同,为H,F ,Cl,Br,CF 3,OH,每种情况下具有1至4个碳原子的烷氧基或烷基,或基团-NR 7 R 8,其中R 7和R 8相同或不同,为H,具有1至4个 碳原子或苯基,R 5和R 6相同或不同,为H,烷基中具有1至6个碳原子的-CO-烷基或苯甲酰基,或者R 5和R 6一起形成 其中R 9,R 10,R 11和R 12相同或不同,为每个情况具有1至4个碳原子的H,F,Cl,Br,CF 3,OH,烷氧基或烷基的式(II) 或基团-NR 7 R 8,其中R 7和R 8相同或不同,为H,具有1至4个碳原子的烷基或苯基,与水,水溶性碱, 和在-10℃〜150℃的温度下,在反应条件下在水不溶性溶剂存在或不存在下为惰性的氧化剂。