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Issue 10, 2013
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Ionic liquid confined zeolite system: an approach towards water mediated room temperature synthesis of spiro[pyrazolo[3,4-e]benzothiazepines]

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Abstract

A novel ionic liquid confined ZSM-5 zeolite catalyst system has been developed using different ionic liquids confined within a mesoporous ZSM-5 zeolite; their catalytic activity has been tested in aqueous media at room temperature for the greener synthesis of spiro[pyrazolo[3,4-e]benzothiazepine] analogues in higher yield with shorter reaction time for the first time. Recyclability of the novel catalyst system was also studied which resulted in no loss of their catalytic activity in up to five cycles making the whole system industrially viable.

Graphical abstract: Ionic liquid confined zeolite system: an approach towards water mediated room temperature synthesis of spiro[pyrazolo[3,4-e]benzothiazepines]

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Publication details

The article was received on 25 Mar 2013, accepted on 23 Jul 2013 and first published on 23 Jul 2013


Article type: Paper
DOI: 10.1039/C3GC40553B
Green Chem., 2013,15, 2885-2894

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    Ionic liquid confined zeolite system: an approach towards water mediated room temperature synthesis of spiro[pyrazolo[3,4-e]benzothiazepines]

    K. Arya and B. Prabhakar, Green Chem., 2013, 15, 2885
    DOI: 10.1039/C3GC40553B

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