公开(公告)号：US20060052644A1

公开(公告)日：2006-03-09

申请号：US10474680

申请日：2002-04-11

申请人： Otto Sielcken ,  Hubertus Smits ,  Imre Toth

发明人： Otto Sielcken ,  Hubertus Smits ,  Imre Toth

IPC分类号： C07C45/49

CPC分类号： C07C45/50 ,  C07B41/06 ,  C07C67/347 ,  C07C69/716 ,  C07C47/02

摘要： A continuous hydroformylation process for producing an aldehyde comprising 1) reacting an olefinically unsaturated compound, carbon monoxide and hydrogen in the presence of a rhodium-organobisphosphite complex catalyst at a partial pressure of carbon monoxide and hydrogen, and 2) exposing a mixture comprising at least a portion of the catalyst of 1) to a gaseous mixture comprising hydrogen at a pressure that is greater than the partial pressure of carbon monoxide and hydrogen during the reaction.

摘要翻译： 一种用于生产醛的连续加氢甲酰化方法，包括：1）在铑 - 有机二亚磷酸酯配合物催化剂存在下，在一氧化碳和氢气的分压下使烯属不饱和化合物，一氧化碳和氢气反应，和2）至少包含至少 一部分催化剂1）在包含氢气的气体混合物中，其压力大于反应期间一氧化碳和氢气的分压。

公开(公告)号：US20070155984A1

公开(公告)日：2007-07-05

申请号：US10565773

申请日：2004-06-28

申请人： Otto Sielcken ,  Imre Toth ,  Henricus Anna Baur

发明人： Otto Sielcken ,  Imre Toth ,  Henricus Anna Baur

IPC分类号： C07C67/36

CPC分类号： C07C67/38 ,  C07C69/533

摘要： A process is provided, in particular a continuous process for the carbonylation of butadiene by reacting the butadiene with carbon monoxide and a hydroxyl group-containing compound in the presence of a palladium catalyst system in a reaction zone to form a reaction mixture, said catalyst system comprising (a) a source of palladium cations, (b) a mono-, bi- or multidentate phosphine ligand, containing at least one phosphorus atom which is directly bound to two or three aliphatic carbon atoms, as process ligand to produce a palladium-phosphine ligand complex catalyst, and (c) a source of anions, said process ligand (b) containing the moiety shown in formula (I), wherein A1 and A2 each represent an aliphatic carbon atom which can be connected to one or more aliphatic or aromatic carbon atoms or both A1 and A2 are part of an at least 5-membered ring including the phosphorus atom, and X represents an aliphatic or aromatic carbon atom which can be connected to one or more aliphatic or aromatic carbon atoms or X is part of an organic bridging group connecting another identically or differently substituted phosphorus atom, and said source of anions (c) containing a carboxylic acid and, optionally, halide ions, wherein said process ligand is fed continuously or periodically to the process as ligand make-up at a temperature 50° C. or lower.

摘要翻译： 提供了一种方法，特别是通过在反应区中在钯催化剂体系的存在下使丁二烯与一氧化碳和含羟基的化合物反应以形成反应混合物来进行丁二烯的羰基化的连续方法，所述催化剂体系 包括（a）钯阳离子源，（b）单，双或多齿膦配体，其含有至少一个直接键合到两个或三个脂族碳原子上的磷原子作为过程配体以产生钯 - 膦配体配合物催化剂，和（c）阴离子源，所述方法配体（b）含有式（I）所示的部分，其中A 1和A 2， 各自表示可以与一个或多个脂族或芳族碳原子连接的脂族碳原子，或者A 1和A 2都是至少5元环的一部分 包括磷原子，X表示可以是脂族或芳族碳原子 连接到一个或多个脂族或芳族碳原子，或X是连接另一相同或不同取代的磷原子的有机桥连基团的一部分，以及所述含有羧酸和任选的卤离子的阴离子源（c），其中所述方法 配体在50℃或更低的温度下连续或周期性地供给到该方法中作为配体组成。