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Ionic liquid-functionalized SBA-15 mesoporous material: efficient heterogeneous catalyst in versatile organic reactions

100%

Xu L.-W., Yang M.-S., Jiang J.-X., Qiu H.-Y., Lai G.-Q.

Open Chemistry

2007

vol. 5

issue 4

1073-1083

Ionic liquid-functionalized mesoporous materials exhibited high catalytic activity in versatile organic reactions, such as cycloaddition of carbon dioxide (CO2) with epoxide, aza-Michael addition of amines to α, β-unsaturated carbonyl compounds, and the Biginelli reaction of aldehyde, ethyl acetoacetate and urea. Recycling of the catalyst in these reactions could be carried out and the catalyst used at least five times without significant loss in activity. [...]

Efficient Lewis acid-assisted Brønsted acid (LBA) catalysis in the iron-catalyzed Friedel-Crafts alkylation reaction of indoles

73%

Jiang Z.-Y., Wu J.-R., Li L., Chen X.-H., Lai G.-Q., Jiang J.-X., Lu Y., Xu L.-W.

Open Chemistry

2010

vol. 8

issue 3

669-673

Lewis acid-assisted Brønsted acid (LBA) catalysis was proposed for the iron-catalyzed Friedel-Crafts alkylation of indoles with chalcones. This proposal was supported by the ESI-MS and cyclic voltammetry. The addition of acac to the iron-catalyzed Friedel-Crafts alkylation of indoles with chalcones created a powerful catalytic system, which makes the alkylation reactions occur easily under mild conditions. [...]

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2 Open Chemistry

1 2010

1 2007

2 Jiang J.-X.

2 Lai G.-Q.

2 Xu L.-W.

1 Chen X.-H.

1 Jiang Z.-Y.

1 Li L.

1 Lu Y.

1 Qiu H.-Y.

1 Wu J.-R.

1 Yang M.-S.

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Ionic liquid-functionalized SBA-15 mesoporous material: efficient heterogeneous catalyst in versatile organic reactions

Efficient Lewis acid-assisted Brønsted acid (LBA) catalysis in the iron-catalyzed Friedel-Crafts alkylation reaction of indoles