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题名: Dialkylation of naphthalene with isopropanol over acidic zeolites - Influence of pore structure on selectivity
作者: Moreau, P;  He, CQ;  Liu, ZM;  Fajula, F
关键词: zeolites ;  shape-selective catalysis ;  naphthalene isopropylation
刊名: JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
发表日期: 2001-03-01
卷: 168, 期:1-2, 页:105-114
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The liquid phase alkylation of naphthalene with isopropanol has been studied over various large pore zeolites with intermediate aluminum content. While H-Y zeolite exhibits the best activity. and shows a high selectivity in 2,6- and 2,7-diisopropylnaphthalenes, in agreement with previous studies, H-Beta displays a peculiar behavior under the same conditions. The latter produces little diisopropylnaphthalenes; instead, a series of unexpected compounds. consisting of (cyclopentyl)naphthalene derivatives (so-called cyclizates), are formed in high yields. H-Mordenite, which features low activity, also demonstrates such an unexpected behavior towards formation of multialkylated products. The results obtained over H-Beta are more particularly reported, and the identification of the cyclizates is confirmed. A mechanism is proposed to explain the formation of these compounds depending on the various catalytic materials used, and the impact of the pore structure on activity and product distribution is discussed. (C) 2001 Elsevier Science B.V. All rights reserved.
关键词[WOS]: LIQUID-PHASE ALKYLATION ;  HY ZEOLITES ;  DEALUMINATED MORDENITES ;  ISOPROPYLATION ;  CATALYSTS ;  BETA ;  BENZENE ;  2,6-DIISOPROPYLNAPHTHALENE ;  BUTYLATION ;  SOFTNESS
语种: 英语
WOS记录号: WOS:000167526500015
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139030
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.ENSCM, UMR 5618 CNRS, Lab Mat Catalyt & Catalyse Chim Organ, F-34296 Montpellier 5, France
2.Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Moreau, P,He, CQ,Liu, ZM,et al. Dialkylation of naphthalene with isopropanol over acidic zeolites - Influence of pore structure on selectivity[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2001,168(1-2):105-114.
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