Carbon–SO3H: a novel and recyclable solid acid catalyst for the synthesis of spiro[4H-pyran-3,3′-oxindoles]
| Autor: | Maheshwar Rao, B., Reddy, G. Niranjan, Reddy, T. Vijaikumar, Devi, B.L.A. Prabhavathi, Prasad, R.B.N., Yadav, J.S., Reddy, B.V. Subba |
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| Zdroj: | In Tetrahedron Letters 15 May 2013 54(20):2466-2471 |
| Databáze: | ScienceDirect |
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Full Text from ScienceDirect