Preparation method of cyclopentylbenzene

Preparation method of cyclopentylbenzene

The invention discloses a preparation method of cyclopentylbenzene. The method comprises the following steps: carrying out an alkylation catalytic reaction on cyclopentene and benzene, sequentially carrying out fractionation and rectification on an alkylation reaction product to obtain cyclopentylbe...

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Hauptverfasser: JIAO YUEFEI, QIAO RONG, GUAN JIAN, WU MING, JIANG QUNHANG, ZHANG XIAOHUI
Format: Patent
Sprache:chi ; eng
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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creator JIAO YUEFEI
QIAO RONG
GUAN JIAN
WU MING
JIANG QUNHANG
ZHANG XIAOHUI
description The invention discloses a preparation method of cyclopentylbenzene. The method comprises the following steps: carrying out an alkylation catalytic reaction on cyclopentene and benzene, sequentially carrying out fractionation and rectification on an alkylation reaction product to obtain cyclopentylbenzene, carrying out heavy component removal on a heavy component obtained by rectification to recover a polysubstituted cyclopentylbenzene component, and carrying out a transposition alkylation catalytic reaction on the polysubstituted cyclopentylbenzene component and benzene to obtain the polysubstituted cyclopentylbenzene. And a translocation alkylation catalytic reaction product is merged into an alkylation reaction product to enter a fractionation and rectification process. The method has the advantages of high selectivity, high yield, strong continuity and the like, and the unreacted raw materials in one-time reaction can be recovered and recycled, so that the cost is saved, and the green chemical engineering
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The method comprises the following steps: carrying out an alkylation catalytic reaction on cyclopentene and benzene, sequentially carrying out fractionation and rectification on an alkylation reaction product to obtain cyclopentylbenzene, carrying out heavy component removal on a heavy component obtained by rectification to recover a polysubstituted cyclopentylbenzene component, and carrying out a transposition alkylation catalytic reaction on the polysubstituted cyclopentylbenzene component and benzene to obtain the polysubstituted cyclopentylbenzene. And a translocation alkylation catalytic reaction product is merged into an alkylation reaction product to enter a fractionation and rectification process. 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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title Preparation method of cyclopentylbenzene
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