ZrOCl2 center dot 8H(2)O/silica gel as a new efficient and a highly water-tolerant catalyst system for facile condensation of indoles with carbonyl compounds under solvent-free conditions

Firouzabadi H; Iranpoor N; Jafarpour M; Ghaderi A

Journal of Molecular Catalysis A-Chemical, Vol.253, No.1-2, 249-251, 2006

DOI10.1016/j.molcata.2006.03.043 Export Citation

ZrOCl2 center dot 8H(2)O/silica gel as a new efficient and a highly water-tolerant catalyst system for facile condensation of indoles with carbonyl compounds under solvent-free conditions

Firouzabadi H, Iranpoor N, Jafarpour M, Ghaderi A

ZrOCl(.)8H(2)O/sitica gel as a highly water-tolerant catalyst system has been applied for the preparation of bis(indolyl)methanes via electrophilic substitution reactions of indoles with carbonyl compounds under solvent-free conditions. The yields of the isolated products are from good to excellent. (c) 2006 Published by Elsevier B.V.

Keywords:Zr(IV) compounds;ZrOCl2 center dot 8H(2)O;silica gel;bis(indolyl)methanes;indole derivatives;solvent-free

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