The indole ring system is present in many natural products, pharmaceuticals,
agrochemicals, and other compounds of importance. 1–8 The indole unit forms the basis for …

Bis (indolyl) methane skeleton is the main building block of many naturally occurring
bioactive compounds. Bis (indolyl) methanes are found to possess a wide range of …

The catalytic application of room temperature ionic liquids (RTILs) has been explored to
catalyse the reaction of indole with aldehydes to afford bis (indolyl) methanes. The catalytic …

The efficacy of sulfated zirconia catalyst was investigated towards various acid-catalyzed
organic syntheses and transformation reactions in the liquid phase. The SO42−/ZrO2 …

Glycerol was used, for the first time, as a green and effective promoting medium for
electrophilic activation of aldehydes, and with which, a catalyst-free system for some …

The exploitation of ionic liquids as solvents in organic transformations has been reported
extensively during the past decade. 1–5 The most useful properties of ionic liquids are the …

An efficient protocol for synthesis of 3, 3′-diindolylmethanes using recyclable Fe-pillared
interlayered clay (Fe-PILC) catalyst under aqueous medium has been developed. All …

Iranian Chemical Society Preparation of Indolylmethanes Catalyzed by Metal Hydrogen
Sulfates Page 1 Journal of the Iranian Chemical Society, Vol. 3, No. 4, December 2006, pp …

In this work, a green, simple and highly efficient procedure for the synthesis of bis (indolyl)
methanes and 4, 4′-(arylmethylene)-bis (3-methyl-1-phenyl-1 H-pyrazol-5-ol) s [as an …

An efficient solvent-free procedure for the preparation of bis (indolyl) methanes via the
condensation of indoles with aldehydes as well as ketones in the presence of catalytic …