Abstract
Easy and rapid preparation of bis-indolyl, tris-indolyl, di(bis-indolyl), tri(bis-indolyl) and tetra(bis-indolyl) methanes from indole with various aldehydes and ketones using poly (N,N'-dichloro-N-ethyl-benzene-1,3- disulfonamide) [PCBS] and N,N,N',N'-tetrachlorobenzene-1,3-disulfonamide [TCBDA] as novel catalysts under various conditions are here described. © 2010 Sociedade Brasileira de Química.
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Ghorbani-Vaghei, R., & Veisi, H. (2010). Poly(N,N’-dichloro-N-ethyl-benzene-1, 3-disulfonamide) and N,N,N’,N’-Tetrachlorobenzene-1,3-disulfonamide as novel catalytic reagents for synthesis of Bis-indolyl, Tris-indolyl, Di(bis-indolyl), Tri(bis-indolyl) and Tetra(bis-indolyl) methanes under solid-state, solvent and water conditions. Journal of the Brazilian Chemical Society, 21(2), 193–201. https://doi.org/10.1590/s0103-50532010000200002
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