PRODUCTION OF PHOSPHABENZENE COMPOUND

    公开(公告)号:JP2000281692A

    公开(公告)日:2000-10-10

    申请号:JP2000077065

    申请日:2000-03-17

    Applicant: BASF AG

    Abstract: PROBLEM TO BE SOLVED: To obtain, by an economically feasible method, a phosphabenzen compound useful as a ligand in a transition metal complex used in olefin hydroformyation, by reacting the corresponding pyrylium salt with PH3 in the presence (absence) of a solvent or the like, under specific conditions. SOLUTION: This compound of formula I or II (R1 to R6 are each H, a group COOM or the like; M is H, an alkali metal or the like; W is a covalent bond, oxo or the like) [e.g. 2,6-bis(2,4-dimethylphenyl)-4-phenylphosphabenzene] is obtained by reacting (A) the corresponding pyrylium salt such as 2,6-bis(2,4- dimethylphenyl))-4-phenylpyrylium tetrafluoroborate, and (B) PH3, in the presence (absence) of a solvent or diluent such as n-butanol, after joining the components A and B together at a temp. of >=0 deg.C, in the temp. range of 0 to 200 deg.C, and about >=1 bar pressure, with neither acid catalyst nor base added.

    METHOD FOR THE CONTINUOUS PRODUCTION OF ALDEHYDES
    4.
    发明申请
    METHOD FOR THE CONTINUOUS PRODUCTION OF ALDEHYDES 审中-公开
    连续生产醛的方法

    公开(公告)号:WO2005042458A3

    公开(公告)日:2005-06-09

    申请号:PCT/EP2004011530

    申请日:2004-10-14

    Abstract: The invention relates to a method for the continuous production of aldehydes comprising between 5 and 21 carbon atoms, by the isomerising hydroformylation in a homogenous phase of olefin compositions comprising between 4 and 20 carbon atoms and containing alpha-olefins and olefins with internal double bonds, by means of a synthesis gas, in the presence of a homogeneous rhodium catalyst that is complexed with an organophosphorus ligand containing oxygen atoms and/or nitrogen atoms and a free ligand. Said production is carried out at high temperature and high pressure in a multi-stage reaction system consisting of at least two reaction zones. According to said method, the olefin composition is first reacted in a first reaction zone or a group of several first reaction zones at a total pressure of between 10 and 40 bar, using a synthesis gas with a CO/H2 molar ratio of between 4:1 and 1:2 until a 40 to 95 % conversion of the alpha-olefins is obtained. The hydroformylation product from the first reaction zone or group of several first reaction zones is then reacted in a subsequent reaction zone or group of several reaction zones at a total pressure of between 5 and 30 bar, using a synthesis gas with a CO/H2 molar ratio of between 1:4 and 1:1000. The total pressure in the subsequent reaction zone or zones is respectively 1 to (G1-Gf) bar lower than that of the preceding reaction zone, whereby G1 represents the total pressure in the respective preceding reaction zone and Gf represents the total pressure in the respective reaction zone that succeeds said first reaction zone or zones, with the proviso that the difference between G1 and Gf is greater than 1 bar and the partial CO pressure in the subsequent reaction zone or zones is respectively lower than that of the preceding reaction zone.

    Abstract translation: 用于连续制备含有内部双键具有4至20个碳原子的烯烃组合物由合成气的装置在含具有一个氧和/或氮原子的有机磷配体的存在下,通过在α-烯烃的均相异构化的加氢甲酰化的5至21个碳原子的醛和烯烃的配位过程 均相铑催化剂,并在升高的温度和在包括至少两个反应区的多阶段反应系统中升高的压力游离配位体,其中一个最初的烯烃的一组中的一个或多个第一反应区中在10至40巴的总压力与合成气 的CO / H2摩尔比为4:1至1:2的一组的一个或多个在反应至40的α-烯烃的转化率,以95%和加氢甲酰化混合物从该组下方的一个或多个第一反应区 反应1000,其中在一个或多个随后的反应区中的总压力通过1巴下,以(G1 GF):在5〜30巴以1:1的CO / H 2摩尔比的总压力与合成气连接的反应区:4至1 比在各自的前一反应区中,其中G 1表示用于在一个或多个第一反应区的每个后续反应区中的总压各自的前一反应区和GF的总压力,条件是不同的是G1 GF大于1巴的条件, 并且其中所述一个或多个后续反应区中的CO分压在每种情况下低于在前面的反应区中的CO分压。

    PRODUCTION OF PHTHALIC ANHYDRIDE BY GAS PHASE OXIDATION OF o-XYLOL IN A PRIMARY AND A SECONDARY REACTOR
    5.
    发明申请
    PRODUCTION OF PHTHALIC ANHYDRIDE BY GAS PHASE OXIDATION OF o-XYLOL IN A PRIMARY AND A SECONDARY REACTOR 审中-公开
    制备通过邻二甲苯的气相氧化邻苯二甲酸酐IN头部和Nachreaktor

    公开(公告)号:WO2007135102A2

    公开(公告)日:2007-11-29

    申请号:PCT/EP2007054839

    申请日:2007-05-18

    CPC classification number: C07D307/89 C07C51/265 C07C63/16

    Abstract: The invention relates to a method for producing phthalic anhydride by catalytic gas phase oxidation of o-xylol. According to said method, a gaseous mixture of o-xylol and an oxygen-containing gas is reacted in a primary reactor to give a gaseous intermediate reaction product which contains unreacted o-xylol, phthalic anhydride reaction products with a lower oxidation state and phthalic anhydride, the reaction heat produced in the primary reactor being at least partially carried off by indirect cooling with a heat exchange medium, and introducing the intermediate reaction product to a secondary reactor. The concentration of the unreacted o-xylol in the intermediate reaction product is at least 1% by weight, and the sum of the concentrations of phthalic anhydride of the lower oxidation state in the intermediate reaction product is at least 0.5% by weight. The method according to the invention allows an increase in total yield of phthalic anhydride without any or without substantial decrease in product quality.

    Abstract translation: 公开了一种用于由邻二甲苯,其包含邻二甲苯的含氧气体中的主反应器中的气体混合物,并以气态中间反应产物,其包含未转化的邻二甲苯,邻苯二甲酸酐欠氧化产物反应的催化气相氧化制备邻苯二甲酸酐的方法 和邻苯二甲酸酐,所述一个至少部分地耗散由间接冷却用载热介质,并导入中间反应产物分离成二级反应器在主反应器的反应热产生的热。 未反应的邻二甲苯中的中间反应产物中的浓度为至少1重量%,邻苯二甲酸酐产品欠氧化浓度的在中间反应产物中的总和为至少0.5重量%。 该方法允许增加邻苯二甲酸酐的总产没有或没有在产品质量上显著恶化。

    7.
    发明专利
    未知

    公开(公告)号:DE10349343A1

    公开(公告)日:2005-06-02

    申请号:DE10349343

    申请日:2003-10-23

    Applicant: BASF AG

    Abstract: The present invention relates to a process for the hydroformylation of ethylenically unsaturated compounds by reaction with carbon monoxide and hydrogen in the presence of a catalytically active fluid which comprises a dissolved metal complex of a metal of transition group VIII of the Periodic Table of the Elements with at least one phosphoramidite compound as ligand, wherein the fluid is brought into contact with a base.

    METHOD FOR PRODUCING DIALDEHYDES AND/OR ETHYLENICALLY UNSATURATED MONOALDEHYDES BY HYDROFORMYLATING ETHYLENICALLY UNSATURATED COMPOUNDS

    公开(公告)号:AU2003267348A1

    公开(公告)日:2004-04-08

    申请号:AU2003267348

    申请日:2003-09-12

    Applicant: BASF AG

    Abstract: A process for the production of dialdehydes and/or ethylenically unsaturated monoaldehydes by reaction of at least one compound having at least two ethylenically unsaturated double bonds with carbon monoxide and hydrogen in the presence of a hydroformylation catalyst comprising at least one complex of a Group VIII metal with at least one ligand comprising a pnicogen chelate compound. A process for the production of dialdehydes and/or ethylenically unsaturated monoaldehydes by reaction of at least one compound having at least two ethylenically unsaturated double bonds with carbon monoxide and hydrogen in the presence of a hydroformylation catalyst comprising at least one complex of a Group VIII metal with at least one ligand comprising a pnicogen chelate compound of formula (1). Q = bridging group of formula (2); A1, A2 = O, S, SiRaRb, NRc or CRdRe; Ra-Rc = H, alkyl, cycloalkyl, heterocycloalkyl, aryl or heteroaryl; Rd, Re = H, alkyl, cycloalkyl, heterocycloalkyl, aryl or heteroaryl or two Rd groups and/or two Re groups form an intermolecular bridging group D; D = bivalent bridging group of formula (3)-(6); R9,R10 = H, alkyl, cycloalkyl, aryl, halo, trifluoromethyl, carboxyl, carboxylate or cyano or together form a 3-4C alkylene bridge; R11-R14 = H, alkyl, cycloalkyl, aryl, halo, trifluoromethyl, COOH, carboxylate, cyano, alkoxy, SO3H, sulfonate, NE1E2, alkylene-NE1E2E3+X-, acyl or nitro; C = 0 or 1; Y = chemical bond; RI-RVI = H, alky, cycloalkyl, heterocycloalkyl, aryl or heteroaryl; COORf, COO-M+, SO3Rf, SO3-M+, NE1E2, NE1E2E3+X-, alkylene-NE1E2E3+X-, ORf, SRf, (CHRgCH2O)xRf, (CH2N(E1))xRf, (CH2CH2N(E1))xRf, halo, trifluoromethyl, nitro, acyl or cyano or 2 neighboring groups, together with two neighboring C atoms of the benzene ring to which they are bonded form a condensed ring system of 1-3 further rings; Rf, E1-E3 = H, alkyl, cycloalkyl or aryl; R9 = H, methyl or ethyl; M+ = cation, X-=anion; x = 1-120; a, b = 0 or 1; Pn = P, As or Sb; R1-R4 = heteroaryl, heteroaryloxy, alkyl, alkoxy, aryl, aryloxy, cycloalkyl, cycloalkoxy, heterocycloalkyl, heterocycloalkoxy or NE1E2 with the proviso that is R1 and R3 are bonded via the N atom to the pnicogen atom bonded pyrrole ring or R1 with R2 and/or R3 together with R4 form a divalent group E of formula Py-I-W or R1 and R2 and/or R3 and R4 form a bispyrrole group of formula Py-I-Py; Py = pyrrole group that is bonded via its N atom to Pn; I = chemical bond, O, S, SiRaRb, NRc, optionally substituted 1-10C alkylene or CRhCRi; W = cycloalkyl, cycloalkoxy, aryl, aryloxy, heteroaryl or heteroaryloxy; Rh and Ri = H, alkyl, cycloalkyl, heterocycloalkyl, aryl or heteroaryl

    Hydroformylation of ethylene compounds, involves separating reacted content into product fraction, and catalyst fraction whose portion(s) is returned to reaction zone with monodentate phosphine ligand

    公开(公告)号:DE10206697A1

    公开(公告)日:2002-08-29

    申请号:DE10206697

    申请日:2002-02-18

    Applicant: BASF AG

    Inventor: MACKEWITZ THOMAS

    Abstract: Ethylene compounds are reacted with carbon monoxide, hydrogen and catalyst system in a reaction zone (R). The reacted content from the zone (R) is separated into a fraction enriched in product (F1) and a fraction enriched in catalyst system (F2), and the F2 is worked-up, and portion(s) of F2 is returned to the zone (R), in absence of CO, H and in presence of monodentate phosphine ligand. Ethylene compounds are reacted with carbon monoxide, hydrogen, and catalyst system which comprises metal(s) of transition group VIII and bidentate phosphine ligand(s) in reaction zone. An output taken from the reaction zone is separated into fraction enriched in product (F1) and fraction enriched in catalyst system (F2). The F2 is subjected to work-up, and portion(s) of the F2 is returned to reaction zone. The taking of output from the reaction zone, separating the output, subjecting fraction (F2) to work-up and returning F2 to reaction zone are performed with monodentate phosphine ligand(s) and in absence of CO and H. An independent claim is also included for stabilization of hydroformylation catalyst system, by using catalyst system having metal of transition group VIII, bidentate and monodentate phosphine ligands.

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