Process for preparing nitrile compounds from ethylenically unsaturated compounds
申请人:Galland Jean-Christophe
公开号:US20060100455A1
公开(公告)日:2006-05-11
The present invention concerns a process for hydrocyanating ethylenically unsaturated organic compounds to compounds containing at least one nitrile function. It relates more particularly to the hydrocyanation of diolefins such as butadiene or of substituted olefins such as alkenenitriles, for instance pentenenitriles. According to the process of the invention the reaction is implemented in the presence of a metal complex catalyst comprising a transition metal such as nickel and an organic ligand.
Supported bis(phosphorus) ligands and use thereof in hydrocyanation processes
申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP1214975A2
公开(公告)日:2002-06-19
Supported bis(phosphorus) ligands are disclosed for use in a variety of catalytic processes, including the hydrocyanation of unsaturated organic compounds.
The supported bis(phosphorus) ligand is one according to formula (2):
wherein:
Q is any organic fragment which binds a OPX2 moiety to the support (Sup); and
X is an alkoxide, aryloxide, alkyl, or aryl.
所公开的支撑双(磷)配体可用于各种催化过程,包括不饱和有机化合物的氢氰化。
支撑双(磷)配体为符合式(2)的配体:
其中
Q 是将 OPX2 分子与支撑体(Sup)结合的任何有机片段;以及
X 是烷氧基、芳氧基、烷基或芳基。
Hydroformylation of olefins using supported bis (phosphorus) ligands
申请人:——
公开号:US20020052531A1
公开(公告)日:2002-05-02
Supported bis(phosphorus) ligands are disclosed for use in hydroformylation reactions, including the hydroformylation of olefins. Catalysts are formed when the ligands are complexed with a catalytically active metal (e.g., rhodium or iridium).
Process for the preparation of a nickel/phosphorous ligand catalyst
申请人:——
公开号:US20040204312A1
公开(公告)日:2004-10-14
Process for preparing a nickel/ligand catalyst in which a crude ligand mixture is contacted with at least one member selected from the group consisting of (i) a weakly acidic organic resin, (ii) a weakly basic organic resin, (iii) a high-surface-area organic resin, (iv) activated carbon, (v) aluminosilicate zeolite, (vi) a two phase solvent system for liquid-liquid extraction and (vii) a Lewis acid; recovering a solution containing a ligand of the formula
(R
1
O)
2
POZOP(OR
1
)
2
; and
contacting the solution with nickel chloride in the presence of a nitrile solvent and a reducing metal which is more electropositive than nickel to produce the nickel/ligand catalyst.