Preparation method of benzoyl-substituted 1,10-phenanthroline complex and catalytic application in ethylene oligomerization

A kind of technology of benzoyl group and phenanthroline is applied in the field of preparation of olefin oligomerization catalyst, and can solve the problems of many synthesis steps and the like
CN102964388AActive Publication Date: 2013-03-13CHINA PETROLEUM & CHEM CORP +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
CHINA PETROLEUM & CHEM CORP
Publication Date
2013-03-13

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Abstract

The invention provides a method for preparing a chlorinated 2-benzoyl-1,10-phenanthroline condensed amine iron (II) complex shown in formula I, and its catalytic application in ethylene oligomerization. The preparation method comprises the following steps: orderly performing hydrolysis and an oxidation reaction with nitrobenzene of initial reaction raw materials of 1,10-phenanthroline and benzyl lithium to obtain 2-benzoyl-1,10-phenanthroline, then performing condensation of 2-benzoyl-1,10-phenanthroline with substituted aniline to obtain 2-benzoyl-1,10-phenanthroline condensed amine ligand, and reacting the ligand with ferrous chloride to obtain a target product I. The synthetic method provided by the invention is few in steps, and simple in process, substitutes nitrobenzene for selenium dioxide in the prior art for the oxidation reaction, substitutes nontoxic benzyl lithium for hypertoxic potassium cyanide in the prior art, reduces the preparation cost of the catalyst, and has wide industrialization prospects.
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Description

technical field

[0001] The present invention relates to the preparation method of olefin oligomerization catalyst, more specifically relate to the preparation method of benzoyl-substituted 1,10-phenanthroline amido iron (II) complex, and the complex prepared thereby is used as ethylene Application of oligomerization catalysts. Background technique

[0002] Ethylene oligomerization is one of the most important reactions in the olefin polymerization industry. Through oligomerization, cheap small molecule olefins can be transformed into products with high added value. Ethylene oligomerization product-linear α-olefin (LAO) is an important organic chemical raw material. e.g. C 4 -C 30 LAO can be used to prepare daily cleaning agents, flotation agents, emulsifiers, lubricating components of refrigerators and drilling fluids, plasticizers, various additives, low-viscosity synthetic oils, polymers and copolymers , Petroleum and petroleum product additives, higher alkylamines, h...

Claims

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