A process for the catalytic gas-phase oxidation of propene to acrylic acid, in which the reaction gas starting mixture is oxidized, with an increased propene loading, in a first reaction stage, over a first fixed-bed catalyst and then the acrolein-containing product gas mixture of the first reaction
A process for the catalytic gas-phase oxidation of propene to acrylic acid, in which the reaction gas starting mixture is oxidized, with an increased propene loading, in a first reaction stage, over a first fixed-bed catalyst and then the acrolein-containing product gas mixture of the first reaction stage is oxidized, in a second reaction stage, with an increased acrolein loading, over a second fixed-bed catalyst, the catalyst moldings in both reaction stages having an annular geometry.
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A process for the catalytic gas-phase oxidation of propene to acrylic acid, in which the reaction gas starting mixture is oxidized, with an increased propene loading, in a first reaction stage, over a first fixed-bed catalyst and then the acrolein-containing product gas mixture of the first reaction
A process for the catalytic gas-phase oxidation of propene to acrylic acid, in which the reaction gas starting mixture is oxidized, with an increased propene loading, in a first reaction stage, over a first fixed-bed catalyst and then the acrolein-containing product gas mixture of the first reaction stage is oxidized, in a second reaction stage, with an increased acrolein loading, over a second fixed-bed catalyst, the catalyst moldings in both reaction stages having an annular geometry. ula: wherein A, A', A" and A'" individually are substituent species selected from the group consisting of H, halo, R', --NR'R", --CF3,--OH, --CN, --NO2,--C2R', --SH, --SCH3,--N3,--SO2CH3,--OR', --SR', --C(=O)NR'R", --NR'C(=O)R', --C(=O)R', --C(=O)OR', --(CH2)qOR', --OC(=O)R', --OC(=O)NR'R" and --NR'C(=O)OR', R' and R" are individually hydrogen, lower alkyl, an aromatic group-containing species, or a substituted aromatic group-containing species, the substituents on the substituted aromatic group-containing species are as identified above with respect to A, A', A" and A'", the aromatic-group containing species is pyridinyl, quinolinyl, pyrimidinyl, phenyl or benzyl, q is an integer from 1 to 6, m, n and p are individually 0, 1 or 2, and the sum of p plus m is 1 or 2, when n is o; j is an integer from 0 to 5, wherein (m+n+p)=1 or 3, R is a non-hydrogen substituent selected from the same group of substituents as listed above with respect to A, A', A" and A'"; and the wavy line in, the structure represents that, depending upon the value of each of m, n, p and j, the compound, can have an endo or exo form. 2. A method for treating a central nervous system disorder comprising, administering to a subject in need thereof, an effective amount of a compound of the general, formula: wherein A, A', A" and A'" individually are substituent species selected from the group consisting of H, halo, R', --NR'R", --CF3,--OH, --CN, --NO2,--C2R', --SH, --SCH3,--N3,--SO2CH3,--OR', --SR', --C(=O)NR'R", --NR'C(=O)R', --C(=O)R', --C(=O)OR', --(CH2)qOR', --OC(=O)R', --OC(=O)NR'R" and --NR'C(=O)OR', R' and R" are individually hydrogen, lower alkyl, an aromatic group-containing species, or a substituted aromatic group-containing species, the substituents on the substituted aromatic group-containing species are as identified above with respect to A, A', A" and A'", the aromatic-group containing species is pyridinyl, quinolinyl, pyrimidinyl, phenyl or benzyl, q is an integer from 1 to 6, m, n and p are individually 0, 1 or 2, and the sum of p plus m is 1 or 2, when n is o; j is an integer from 0 to 5, wherein (m+n+p)=1 or 3, R is a non-hydrogen substituent selected from the same group of substituents as listed above with respect to A, A', A" and A'"; and the wavy line in, the structure represents that, depending upon the value of each of m, n, p and j, the compound, can have an endo or exo form. 3. The method according to claim 1 or 2 wherein j is 0 or 1. 4. The method according to claim 1 or 2 wherein j is 0. 5. The method according to claim 1 or 2 wherein m=1, n=0 and p=0. 6. The method according to claim 1 or 2 wherein m 2, n=1 and p=0. 7. The method according to claim 1 or 2 wherein m=0, n=1 and p=0. 8. The method according to claim 1 or 2 wherein m=1, n=1 and p=1. 9. The method according to claim 1 or 2 wherein m=1, n=2 and p=0. 10. The method according to claim 1 or 2 wherein A, A' and A'" are hydrogen. 11. The method according to claim 1 or 2 wherein the amount effective to treat said disorder is less than 1 ug/kg patient.
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이 특허에 인용된 특허 (13)
Tenten Andreas,DEX ; Weidlich Peter,DEX ; Linden Gerd,DEX, Catalyst consisting of a hollow cylindrical carrier having a catalytically active oxide material applied to the outer su.
Neumann Hans-Peter (Mannheim DEX) Martan Hans (Frankenthal DEX) Petersen Hermann (Gruenstadt DEX) Doerflinger Walter (Oestringen DEX), Multimetal oxide compositions and process of preparing same.
Engelbach Heinz (Limburgerhof DEX) Krabetz Richard (Kirchheim DEX) Duembgen Gerd (Dannstadt-Schauernheim DEX) Willersinn Carl-Heinz (Ludwigshafen DEX) Beitelschmidt Walter (Ludwigshafen DEX), Preparation of ab
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Tenten Andreas (Maikammer DEX) Weidlich Peter (Mannheim DEX) Linden Gerd (Heidelberg DEX), Preparation of a catalyst consisting of a carrier and a catalytically active oxide material applied to the surface of th.
Wada Koichi,JPX ; Seo Yoshimasa,JPX ; Iwamoto Akira,JPX ; Sudo Atsushi,JPX ; Sakai Fumio,JPX ; Shiraishi Kazuo,JPX ; Nowatari Hiroyoshi,JPX, Producing acrolein and acrylic acid using a supported dual activity molybdenum, iron, and bismuth based catalyst in a fixed bed multitubular reactor.
Yunoki,Hiromi, Catalyst for synthesis of unsaturated aldehyde, production process for said catalyst, and production process for unsaturated aldehyde using said catalyst.
Yunoki,Hiromi, Catalyst for synthesis of unsaturated aldehyde, production process for said catalyst, and production process for unsaturated aldehyde using said catalyst.
Hammon,Ulrich; Petzoldt,Jochen; M체ller Engel,Klaus Joachim; Dieterle,Martin, Heterogeneously catalyzed gas-phase partial oxidation of at least one organic compound.
Dieterle, Martin; Petzoldt, Jochen; M?ller-Engel, Klaus Joachim; Arnold, Heiko, Heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid.
Dieterle,Martin; Petzoldt,Jochen; Mueller Engel,Klaus Joachim, Long-term operation of a heterogeneously catalyzed gas phase partial oxidation of propene to acrolein.
Dieterle,Martin; Petzoldt,Jochen; Mueller Engel,Klaus Joachim, Long-term operation of a heterogeneously catalyzed gas phase partial oxidation of propene to acrylic acid.
Borgmeier,Frieder; Petzoldt,Jochen; Hibst,Hartmut; Tenten,Andreas, Method for producing acrylic acid by heterogeneously catalyzed gas-phase oxidation of propene with molecular oxygen in a reaction zone.
Schliephake,Volker; Hammon,Ulrich; Becher,Rolf Dieter; Muller Engel,Klaus Joachim, Operation of a continuous heterogeneously catalyzed gas phase partial oxidation of at least one organic compound.
Dieterle, Martin; Diefenbacher, Armin; Schindler, Goetz Peter; Klanner, Catharina; Mueller Engel, Klaus Joachim; Adami, Christoph, Preparation of acrolein or acrylic acid or a mixture thereof by heterogeneously catalyzed partial gas phase oxidation of propylene.
Dieterle, Martin; Mueller-Engel, Klaus Joachim; Hechler, Claus; Hammon, Ulrich; Diefenbacher, Armin, Preparation of acrylic acid by heterogeneously catalyzed partial gas phase oxidation of propylene.
Cremer, Ulrich; Dieterle, Martin; Mueller-Engel, Klaus Joachim, Process for the long-term operation of a heterogeneously catalyzed partial gas phase oxidation of an organic starting compound.
Cremer, Ulrich; Dieterle, Martin; Mueller-Engel, Klaus Joachim, Process for the long-term operation of a heterogeneously catalyzed partial gas phase oxidation of an organic starting compound.
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