摘要:
The present invention provide a process for the production of compounds of general formula (I), Y—CH2CH2—Z (I) wherein Y and Z are functional groups independently selected from the group consisting of a hydroxyl group and R1R2N and wherein R1 and R2 may be the same or different and are functional groups selected from the group consisting of hydrogen and substituted or non-substituited alkyl groups comprising 1 to 8 carbon atoms, or R1R2N is a cyclic compound selected from the group of aromatic and non-aromatic cyclic compounds optionally comprising one or more heteroatoms in addition to the nitrogen atom, said process comprising the steps of: (i) reacting carbon monoxide and an amine in the presence of oxygen to provide a compound of general formula (II) wherein R1 and R2 or R1R2N are as defined above and X is selected from the group consisting of R1R2N and R3O, wherein R3 is selected from alkyl groups comprising 1 to 8 carbon atoms; and (ii) converting the compound of general formula (II) into a compound of general formula (I) by a process that comprises a hydrogenation reaction.
摘要翻译:本发明提供一种制备通式(I)的化合物,Y-CH 2 CH 2 -Z(I)的化合物,其中Y和Z是独立地选自羟基和R 1 R 2 N的官能团,其中R 1和R 2 可以相同或不同,并且是选自氢和含有1至8个碳原子的取代或未取代的烷基的官能团,或R 1 R 2 N是选自芳族和非芳族环状化合物的环状化合物 所述方法包括以下步骤:(i)在氧气存在下使一氧化碳和胺反应,得到通式(II)的化合物,其中R1和R2或R1R2N 其定义如上,X选自由R 1 R 2 N和R 3 O组成的组,其中R 3选自包含1至8个碳原子的烷基; 和(ii)通过包括氢化反应的方法将通式(II)的化合物转化为通式(I)的化合物。
摘要:
A transition metal complex which is a bis-arylimine pyridine MXn complex or a [bis-arylimine pyridine MXp+][NC−]q complex comprising a bis-arylimine pyridine ligand and M is a transition metal atom; n matches the formal oxidation state of the transition metal atom M; X is halide, optionally substituted hydrocarbyl, alkoxide, amide, or hydride; NC− is a non-coordinating anion; and p+q matches the formal oxidation state of the transition metal atom M. The transition metal complexes of the present invention, their complexes with non-coordinating anions and catalyst systems containing such complexes have good solubility in non-polar media and chemically inert non-polar solvents especially aromatic hydrocarbon solvents. The catalyst systems can be used for a wide range of (co-)oligomerization, polymerization and dimerization reactions.
摘要:
The present invention relates to ligands and catalyst systems and a process for the simultaneous trimerization and tetramerization of olefinic monomers using said ligands, the ligands having the general formula (I): (R1)2P—P(R1)m(R2)n═N(R3) (I) wherein R3 is selected from hydrogen, a hydrocarbyl group, a substituted hydrocarbyl group, a heterohydrocarbyl group, a substituted heterohydrocarbyl group, a silyl group or derivative thereof; the R1 groups are independently selected from an optionally substituted aromatic group bearing a polar substituent on at least one of the ortho-positions; and the R2 groups are independently selected from hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl and substituted heterohydrocarbyl groups with the proviso that when the group is aromatic it does not contain a polar substituent at any of the ortho-positions; with the proviso that m is 0 or 1, n is 1 or 2 and the total of m+n is 2.
摘要:
A process for production of higher linear alpha olefins and/or alkyl-branched alpha olefins, which comprises the co-oligomerisation of one or more alpha olefins with ethylene in the presence of a metal catalyst system employing one or more bis-aryliminepyridine MXa complexes and/or one or more [bis-aryliminepyridine MYp.Lb+][NC−]q complexes; and said process is carried out at an ethylene pressure of less than 2.5 MPa.
摘要:
A process for production of higher linear alpha olefins and/or alkyl-branched alpha olefins, which comprises the co-oligomerisation of one or more alpha olefins with ethylene in the presence of a metal catalyst system employing one or more bis-aryliminepyridine MXa complexes and/or one or more [bis-aryliminepyridine MYp.Lb+][NC−]q complexes; and said process is carried out at an ethylene pressure of less than 2.5 MPa.
摘要:
The present invention relates to a ligand and its use in a catalyst for the oligomerization of olefinic monomers, the ligand having the general formula (VI); (R9)(R10)P—N(R3)—P(R4) (VI) wherein: the R9 and R10 groups are independently selected from optionally substituted alkyl or heteroalkyl groups; the R3 group is selected from hydrogen, a hydrocarbyl group, a substituted hydrocarbyl group, a heterohydrocarbyl group, a substituted heterohydrocarbyl group, a silyl group or derivative thereof; the R4 group is an optionally substituted alkylenedioxy, alkylenedimercapto or alkylenediamino structure which is bound to the phosphorus atom through the two oxygen, sulphur or nitrogen atoms of the alkylenedioxy, alkylenedimercapto or alkylenediamino structure or an optionally substituted arylenedioxy, arylenedimercapto or arylenediamino structure which is bound to the phosphorus atom through the two oxygen, sulphur or nitrogen atoms of the arylenedioxy, arylenedimercapto or arylenediamino structure.
摘要翻译:本发明涉及一种配体及其在烯烃单体低聚催化剂中的应用,具有通式(VI)的配体; (R 9)(R 10)P-N(R 3)-P(R 4)(VI)其中:R 9和R 10基团独立地选自任选取代的烷基或杂烷基; R 3基团选自氢,烃基,取代的烃基,杂烃基,取代的杂烃基,甲硅烷基或其衍生物; R 4基团是任选取代的亚烷基二氧基,亚烷基二巯基或亚烷基二氨基结构,其通过亚烷基二氧基,亚烷基二巯基或亚烷基二氨基结构的两个氧,硫或氮原子或与被结合的任选取代的亚芳基二氧基,亚芳基二巯基或亚芳基二氨基结构与磷原子结合 通过亚芳基二氧基,亚芳基二巯基或亚芳基二氨基结构的两个氧,硫或氮原子到磷原子。
摘要:
A process for the preparation of linear alpha olefins having 2n carbon atoms from linear alpha olefins having n carbon atoms comprising the steps of (a) dimerizing a linear alpha olefin having n carbon atoms in the presence of a dimerization catalyst to produce a linear internal olefin having 2n carbon atoms; (b)(i) reacting the linear internal olefin having 2n carbon atoms produced in step (a) with a trialkylaluminium compound in the presence of a catalytic amount of an isomerization/displacement catalyst in order to cause isomerization of the linear internal olefin and to displace alkyl group(s) from said trialkylaluminium compound to form an alkyl aluminium compound wherein at least one of the alkyl groups bound to aluminium is a linear alkyl which has been derived from the isomerization of said linear internal olefin; and (b)(ii) reacting said alkyl aluminium compound with an alpha olefin optionally in the presence of a displacement catalyst so as to displace said linear alkyl from said alkyl aluminium compound to form a linear alpha olefin having 2n carbon atoms.
摘要:
Non-symmetrical ligands of formula (I); bis-aryliminepyridine MXn complexes comprising a non-symmetrical ligand of formula (I), wherein M is a metal selected from Fe or Co, n is 2 or 3, and X is halide, optionally substituted hydrocarbyl, alkoxide, amide, or hydride; [bis-aryliminepyridine MYp.Ln+][NC−]q complexes, comprising a non-symmetrical ligand of formula (I), wherein Y is a ligand which may insert an olefin, M is Fe or Co, NC− is a non-coordinating anion and p+q is 2 or 3, matching the formal oxidation of the metal atom M, L is a neutral Lewis donor molecule and n=0, 1, or 2; and processes for the production of alpha-olefins from ethylene, using said complexes.
摘要翻译:式(I)的非对称配体; 包含式(I)的非对称配位体的双芳基亚氨基吡啶MX复合物,其中M为选自Fe或Co的金属,n为2或3,X为卤化物,任选取代的烃基 ,醇盐,酰胺或氢化物; [双 - 芳基亚氨基吡啶] n + 1 / n + >络合物,其包含式(I)的非对称配体,其中Y是可插入烯烃的配体,M是Fe或Co,NC是非配位阴离子,p + q是2或3,匹配金属原子M的形式氧化,L是中性Lewis供体分子,n = 0,1或2; 以及使用所述复合物从乙烯生产α-烯烃的方法。
摘要:
The present invention relates to a ligand and its use in a catalyst for the oligomerization of olefinic monomers, the ligand having the general formula (IV); (R8)(R1)P—N(R3)—P(R4) (IV).
摘要:
The present invention relates to a ligand and its use in a catalyst for the oligomerization of olefinic monomers, the ligand comprising the product formed by reacting i) a compound having the general formula (III); (R1)(R2)P—N(R3)—R5 (III); and ii) a compound of the formula X—P(R4), preferably at a temperature in the range of from −30 to 200° C.