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Synthesis and characterization of Trichloroisocyanouric acid functionalized mesoporous silica nanocomposite (SBA/TCCA) for the Acylation of Indole

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Abstract

Trichloroisocyanouric acid (TCCA)-functionalized mesoporous silica nanocomposites (SBA/ TCCA) were synthesized and characterized for the acylation of indole. The uniform incorporation of TCCA inside the SBA-15 matrix was confirmed by standard characterization techniques (PXRD, Adsorption studies, FT-IR, etc.). The catalytic activity studies of SBA/TCCA nanocomposites for acylation of indole showed high selectivity (60–90%) of the 3-acetyl indole compared to homogeneous TCCA (50%). The advantage of solid support for higher selectivity is also explained.

Synthesis of SBA-15/TCCA nanocomposites by in situ functionalization of ordered SBA-15 and acylation of indole in the liquid phase for higher selectivity of 3-acylated product are reported.

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Acknowledgment

AD thanks MANIT-Bhopal for help and support.

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Authors and Affiliations

  1. Department of Chemistry, Maulana Azad National Institute of Technology (MANIT), Bhopal, Madhya Pradesh, 462 003, India

    G ROBIN WILSON & AMIT DUBEY

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  1. G ROBIN WILSON
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  2. AMIT DUBEY
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Correspondence to AMIT DUBEY.

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Supplementary Information (SI)

Supplementary information includes the PXRD pattern of SBA/3TCCA (Figure S1), pore size distribution curve of (a) SBA-15 and (b) SBA/1.5TCCA & (c) SBA/ 2TCCA nanocomposites (Figure S2), N2 adsorption-desorption isotherms (Figure S3) of SBA/3TCCA nanocomposites, SEM images (Figure S4) of (a) SBA-15 & (b) SBA/1.5TCCA nanocomposites and reusability data (Figure S5) of SBA/1.5TCCA catalyst. Supplementary information is available at www.ias.ac.in/chemsci.

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WILSON, G.R., DUBEY, A. Synthesis and characterization of Trichloroisocyanouric acid functionalized mesoporous silica nanocomposite (SBA/TCCA) for the Acylation of Indole. J Chem Sci 128, 1285–1290 (2016). https://doi.org/10.1007/s12039-016-1131-z

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  • DOI: https://doi.org/10.1007/s12039-016-1131-z

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