This contribution discloses a simple and efficient procedure using environmentally
benign supported cobalt nanocatalyst for the synthesis of bis(indolyl)methanes under solventfree
conditions. The supported cobalt nanocatalyst exhibited excellent activity and stability
and it could be reused for at least ten times without any loss of activity, providing an efficient
and stable catalytic system for the synthesis of a number of important bis(indolyl)methanes.
Keywords: Supported Cobalt Complex, Bis(indolyl)methanes, solvent-free conditions.
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