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C-3 alkylation of oxindole with alcohols catalyzed by an indene-functionalized mesoporous iridium catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
51116 46830 2011 5 PDF Available
Title
C-3 alkylation of oxindole with alcohols catalyzed by an indene-functionalized mesoporous iridium catalyst
Abstract

A heterogeneous indene-based iridium catalyst with a highly ordered dimensional-hexagonal mesostructure was prepared through complexation of IrCl3 with the indene-functionalized SBA-15 silica materials. During C-3 alkylation of oxindole with various alcohols, this heterogeneous catalyst exhibited highly catalytic activity (up to 93%). Such a catalyst could be recovered easily and used repetitively eight times without significantly affecting its catalytic activity.

Graphical AbstractFigure optionsDownload full-size imageDownload as PowerPoint slideResearch Highlights► A facile preparation of a mesoporous silica-supported iridium catalyst with a highly ordered dimensional-hexagonal mesostructure was developed. ► This catalyst exhibited high catalytic activity in C-3 alkylation of oxindole, in which alcohols as alkylative reagents were environmentally friendly and the mesoporous materials as a catalyst could be recycled. ► In eight consecutive reactions, the recycling catalyst still afforded high catalytic activity, showing good potential in the industrial application.

Keywords
Heterogeneous catalyst; Iridium; Alkylation; Mesoporous materials
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C-3 alkylation of oxindole with alcohols catalyzed by an indene-functionalized mesoporous iridium catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 7, 10 March 2011, Pages 655–659
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
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