PROCESS FOR PREPARING FORMIC ACID
    31.
    发明申请
    PROCESS FOR PREPARING FORMIC ACID 失效
    制备形式酸的方法

    公开(公告)号:US20100331573A1

    公开(公告)日:2010-12-30

    申请号:US12823338

    申请日:2010-06-25

    IPC分类号: C07C51/44

    摘要: Process for preparing formic acid by hydrogenation of carbon dioxide in the presence of a catalyst comprising an element of group 8, 9 or 10 of the Periodic Table, a tertiary amine and a polar solvent at a pressure of from 0.2 to 30 MPa abs and a temperature of from 20 to 200° C. to form two liquid phases, separation of the two liquid phases, wherein the liquid phase (B) enriched with the tertiary amine is recirculated to the hydrogenation reactor and the formic acid/amine adduct from the liquid phase (A) enriched with the formic acid/amine adduct and the polar solvent is thermally dissociated into free formic acid and free tertiary amine in a distillation unit and the tertiary amine liberated in the dissociation and the polar solvent are recirculated to the hydrogenation reactor.

    摘要翻译: 在包含元素周期表第8,9或10族元素的催化剂,叔胺和极性溶剂的存在下,通过二氧化碳的氢化制备甲酸的方法,压力为0.2-30MPa abs,和 温度为20至200℃以形成两个液相,分离两个液相,其中富含叔胺的液相(B)再循环到氢化反应器中,并将来自液体的甲酸/胺加合物 富含甲酸/胺加合物和极性溶剂的相(A)在蒸馏单元中热解离成游离甲酸和游离叔胺,并且在解离中释放的叔胺和极性溶剂再循环到氢化反应器中。

    METHOD FOR HYDROFORMYLATION
    33.
    发明申请
    METHOD FOR HYDROFORMYLATION 审中-公开
    氢化方法

    公开(公告)号:US20100240896A1

    公开(公告)日:2010-09-23

    申请号:US12741296

    申请日:2008-11-04

    摘要: The present invention relates to a process for the hydroformylation of compounds of the formula (I), where X is C, P(Rx), P(O—Rx) S or S(═O), where Rx is H, alkyl, cycloalkyl, heterocycloalkyl, aryl or hetaryl; A is a divalent bridging group having from 1 to 4 bridging atoms; and R1 is H, alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, aryl or hetaryl; or salts thereof; in which the compound of the formula (I) is reacted with carbon monoxide and hydrogen in the presence of a catalyst comprising a complex of a metal of transition group VIII with a compound of the formula (II), where Pn is a pnicogen atom; W is a divalent bridging group having from 1 to 8 bridging atoms; R2 is a functional group capable of forming an intermolecular, noncovalent bond with the group —X(═O)OH; R3, R4 are each alkyl, cycloalkyl, heterocycloalkyl, aryl or hetaryl; a, b, c are each 0 or 1; and Y1, Y2 and Y3 are each O, S, NRa or SiRbRc; and also compounds of the formula (II.a), where W′ is a divalent bridging group having from 1 to 5 bridging atoms between the flanking bonds, Z is O, S, S(═O), S(═O)2, N(RIX) or C(RIX)(RX); and RI to RX are each, independently of one another, H, halogen, nitro, cyano, amino, alkyl, etc.; or two radicals RI, RII, RIV, RVI, RVIII and RIX together represent the second part of a double bond.

    摘要翻译: 本发明涉及式(I)化合物加氢甲酰化的方法,其中X为C,P(Rx),P(O-Rx)S或S(= O)),其中Rx为H,烷基, 环烷基,杂环烷基,芳基或杂芳基; A是具有1至4个桥连原子的二价桥连基团; R 1为H,烷基,烯基,炔基,环烷基,杂环烷基,芳基或杂芳基; 或其盐; 其中式(I)的化合物与一氧化碳和氢气在包含过渡族VIII的金属与式(II)的化合物的络合物的存在下反应,其中Pn是酚醛原子; W是具有1至8个桥连原子的二价桥连基团; R2是能够与基团-X(= O)OH形成分子间,非共价键的官能团; R 3,R 4各自为烷基,环烷基,杂环烷基,芳基或杂芳基; a,b,c各自为0或1; Y1,Y2和Y3分别为O,S,NRa或SiRbRc; 以及式(II.a)化合物,其中W'是在侧翼键之间具有1至5个桥连原子的二价桥连基团,Z是O,S,S(= O),S(= O)2 ,N(RIX)或C(RIX)(RX); R 1和R 2各自独立地为H,卤素,硝基,氰基,氨基,烷基等; 或两个基团RI,RII,RIV,RVI,RVIII和RIX一起表示双键的第二部分。

    Method for producing tricyclodecandialdehyde
    36.
    发明申请
    Method for producing tricyclodecandialdehyde 失效
    三环癸二醛生产方法

    公开(公告)号:US20070100168A1

    公开(公告)日:2007-05-03

    申请号:US10581802

    申请日:2004-12-14

    IPC分类号: C07C45/49

    摘要: Process for preparing tricyclodecanedialdehyde by hydroformylation of dicyclopentadiene by means of a CO/H2 mixture at elevated temperature and under superatmospheric pressure in the presence of a rhodium catalyst which has not been modified by means of a ligand and is homogeneously dissolved in the hydroformylation medium, wherein the hydroformylation is carried out at a pressure of from 200 to 350 bar in at least two reaction zones, with a reaction temperature of from 80 to 120° C. being set in a first reaction zone and a reaction temperature of from 120 to 150° C. being set in a reaction zone following this reaction zone, with the proviso that the reaction temperature in the subsequent reaction zone is at least 5° C. higher than in the preceding reaction zone.

    摘要翻译: 在高温和超大气压下,在没有通过配体修饰的铑催化剂存在下,通过二环戊二烯加氢甲酰化二环戊二烯制备三环癸二醛的方法, 均匀地溶解在加氢甲酰基化介质中,其中加氢甲酰化在至少两个反应区中在200-350巴的压力下进行,反应温度为80-120℃设定在第一反应区和 在该反应区之后的反应区中设置120至150℃的反应温度,条件是后续反应区中的反应温度比前述反应区高至少5℃。

    Process for preparing 6-aminocapronitrile
    38.
    发明授权
    Process for preparing 6-aminocapronitrile 失效
    6-氨基己腈的制备方法

    公开(公告)号:US6121481A

    公开(公告)日:2000-09-19

    申请号:US230837

    申请日:1999-02-01

    CPC分类号: C07C253/30 C07C209/60

    摘要: The invention concerns a process for the preparation of 6-aminocapronitrile or 6-aminocapronitrile-hexamethylene diamine mixtures by: a) reacting 5-formylvaleronitrile with ammonia and hydrogen in the presence of hydrogenation catalysts selected from the group consisting of metals or metal compounds rhenium, copper and elements of group VIII of the periodic table of elements, a hydrogenation discharge product being obtained; and b) extracting from the hydrogenation discharge product 6-aminocapronitrile and optionally hexamethylene diamine, provided that the hydrogenation catalyst does not contain copper, nickel or copper and nickel as it's only components.

    摘要翻译: PCT No.PCT / EP97 / 03987第 371日期1999年2月1日 102(e)1999年2月1日PCT 1997年7月23日PCT公布。 公开号WO98 / 05631 日期1998年2月12日本发明涉及通过以下方法制备6-氨基己腈或6-氨基己腈 - 六亚甲基二胺混合物的方法:a)在选自金属的氢化催化剂存在下,使5-甲酰基戊腈与氨和氢反应 或金属化合物铼,铜和元素周期表第Ⅷ族元素,得到氢化放电产物; 和b)从氢化放电产物6-氨基己腈和任选的六亚甲基二胺中提取,条件是氢化催化剂不含铜,镍或铜和镍,因为它是唯一的组分。

    Process for producing aldehydes by hydroformylation of olefins
    39.
    发明授权
    Process for producing aldehydes by hydroformylation of olefins 失效
    通过烯烃加氢甲酰化生产醛的方法

    公开(公告)号:US6107524A

    公开(公告)日:2000-08-22

    申请号:US101692

    申请日:1998-07-15

    摘要: A process for the preparation of aldehydes or aldehydes and alcohols by hydroformylation of olefins containing more than 3 carbon atoms comprising a hydroformylation stage, in which the olefin is hydroformylated under a pressure of from 50 to 1000 bar and at a temperature of from 50.degree. to 180.degree. C. using a rhodium catalyst that is dissolved in a homogeneous reaction medium and by extraction of the rhodium catalyst, in whicha) the hydroformylation is carried out in the presence of a rhodium complex, which exhibits, as ligand, a polydentate, organic nitrogen compound that is free from phosphorus and capable of forming complexes with Group VIII metals, which additionally contains at least one tertiary nitrogen radical that is capable of being protonized by a weak acid,b) the effluent of the hydroformylation stage is subjected to extraction with an aqueous solution of a distillable acid optionally following separation or partial separation of aldehydes and alcohols,(c) the aqueous acid extract is subjected to thermal treatment in the presence of an organic solvent or solvent mixture, which is inert under the hydroformylation conditions, with distillation of the aqueous acid, by means of which treatment the complex is deprotonized and transferred to the organic phase, and(d) the organic phase containing the catalyst complex is recycled to the hydroformylation stage.

    摘要翻译: PCT No.PCT / EP97 / 00372 Sec。 371日期:1998年7月15日 102(e)1998年7月15日PCT PCT 1997年1月28日PCT公布。 公开号WO97 / 28113 日期:1997年8月7日一种通过加氢甲酰化含有多于3个碳原子的烯烃制备醛或醛和醇的方法,该方法包括加氢甲酰化阶段,其中烯烃在50至1000巴的压力和温度下加氢甲酰化 使用溶解在均匀的反应介质中并通过萃取铑催化剂的铑催化剂,其中a)在铑配合物的存在下进行加氢甲酰化,其表现出作为 配体,多齿,有机氮化合物,其不含磷并能够与VIII族金属形成络合物,其另外含有至少一个能够被弱酸质子化的叔氮基团,b)加氢甲酰化的流出物 任选在醛和醇的分离或部分分离后,用可蒸馏的酸的水溶液萃取阶段,(c )酸性水提取物在有机溶剂或溶剂混合物存在下进行热处理,所述有机溶剂或溶剂混合物在加氢甲酰化条件下是惰性的,同时蒸馏酸水溶液,通过该处理将络合物去质子化并转移到有机溶剂 相,和(d)含有催化剂络合物的有机相再循环到加氢甲酰化阶段。