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Lee, Jae Sung
Eco-friendly Catalysis and Energy Lab
Research Interests
  • Photocatalytic water splitting, artificial photosynthesis, fuel cells, heterogeneous catalysis

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The regioselective acylation of 2-methoxynaphthalene to 2-acetyl-6-methoxynaphthalene over zeolite beta

Cited 26 times inthomson ciCited 26 times inthomson ci
Title
The regioselective acylation of 2-methoxynaphthalene to 2-acetyl-6-methoxynaphthalene over zeolite beta
Other Titles
The regioselective acylation of 2-methoxynaphthalene to 2-acetyl-6-methoxynaphthalene over zeolite beta
Author
Kim, Sung DukLee, Kyung HeeLee, Jae SungKim, Young GulYoon, Kwang Eui
Keywords
acylation; 2-acetyl-6-methoxynaphthalene; zeolite beta; regioselectivity; solvent effect
Issue Date
2000-03
Publisher
ELSEVIER SCIENCE BV
Citation
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, v.152, no.1-2, pp.33 - 45
Abstract
The liquid phase acylation of 2-methoxynaphthalene (2-MON) with acetic anhydride over various solid acid catalysts was investigated under controlled reaction conditions. Only zeolite beta exhibited good regioselectivities to desired 2-acetyl-6-methoxynaphthalene (2,6-AMON). Characterization studies of zeolite: beta samples indicated that acidity affected catalytic activity but not regioselectivity of 2,6-AMON. The secondary structure of zeolite beta particles was found to be an important factor for the selectivity probably because of its effect on diffusion process of reactants into internal pores. When the mole of acetic anhydride used as acylating agent was increased, the selectivity of desired 2,6-AMON product became worse. 1,2-Dichloroethane and dichloromethane were found to be effective solvents giving good regioselectivities of 2,6-AMON. Protiodeacylation took place not only for 1-acetyl-2-methoxynaphthalene (1:,2-AMON) but also for 2,6-AMON. (C) 2000 Elsevier Science B.V. All rights reserved
URI
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DOI
10.1016/S1381-1169(99)00266-6
ISSN
1381-1169
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ECHE_Journal Papers
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