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Microwave assisted selective oxidation of lignin model phenolic monomer over SBA-15

Paper ID Volume ID Publish Year Pages File Format Full-Text
51866 46857 2008 3 PDF Available
Title
Microwave assisted selective oxidation of lignin model phenolic monomer over SBA-15
Abstract

Microwave assisted oxidation of the lignin model monomer apocynol, 1-(4-hydroxy-3-methoxyphenoxy)-ethanol was carried out over mesoporous SBA-15 catalyst using H2O2 as oxidant to produce acetovanillone, vanillin and 2-methoxybenzoquinone. Reaction conditions were optimised in order to obtain acetovanillone selectively, which serves as a raw material for 3,4-dimethoxybenzoic acid, a building block for synthesis of the smooth muscle relaxant mebeverin. Under conventional heating reactions were sluggish and gave poor yields of a mixture of products. The use of increased amount of catalyst resulted in lowering of acetovanillone selectivity. The possibility of recycling the catalyst was also studied.

Keywords
Apocynol; Acetovanillone; SBA-15; Microwave
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Microwave assisted selective oxidation of lignin model phenolic monomer over SBA-15
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 13, 20 July 2008, Pages 2168–2170
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us