Indium (III) chloride was found to be an efficient catalyst for the synthesis of 3-(5-amino-1H-
pyrazol-4-yl)-3-(2-hydroxy-4, 4-dimethyl-6-oxocyclohex-1-enyl) indolin-2-ones by one-pot …

A simple, facile, efficient and three-component procedure for the synthesis of spiro [indoline-
3, 4′-pyrazolo [3, 4-b] pyridine]-2, 6′(1′ H)-diones by the reaction of 4-hydroxycumarin …

A rapid and efficient ultrasound-promoted one-pot synthesis of spiro [indoline-3, 4′-pyrano
[2, 3-c] pyrazole] derivatives is described here. The reaction of substituted phenylhydrazine …

A facile, efficient and environment-friendly protocol for the synthesis of 4-hydroxy-6-methyl-3-
(1-(phenylimino) ethyl)-2H-pyran-2-one derivatives has been developed by the convenient …

A convenient one-pot protocol was developed for the synthesis of 1H-spiro [furo [3, 4-b]
pyridine-4, 3′-indoline]-3-carbonitrile derivatives. This reaction was carried out through a …

Imidazoles are a major class of five-membered, nitrogen-containing heterocyclic compounds
possessing a wide spectrum of biological and physical activities. 1-5 Because of its …

A clean, efficient, one-pot, three-component method for the synthesis of 3-(5-amino-1 H-
pyrazol-4-yl)-3-(2-hydroxy-4, 4-dimethyl-6-oxocyclohex-1-enyl) indolin-2-one derivatives by …

Ceric ammonium nitrate efficiently catalyzes the reaction of isatin with indoles under sonic
waves to afford symmetrical 3, 3-di (indolyl) indolin-2-ones in excellent yields, as well as the …

Arylmethylidene-3-isopropylisoxazol-5-ones and 4-arylmethylidene-1-phenyl-3-
isopropylpyrazol-5-ones have been prepared from the reactions of hydroxylamine and …

Ultrasound as a green process and an alternative energy source was investigated for the
ecobenign synthesis of novel diindolylmethanes from various synthesized aldehydes with …