Abstract Rice-husk-supported FeCl 3 nano-particles (FeCl 3–RiH) were prepared and used as an environmentally friendly catalyst in the synthesis of β-amino carbonyl compounds, 1, 8- dioxo-octahydro xanthenes, and bis-indolyl methanes from simple and readily available precursor molecules.
[Mansour, El-Sayed M. E.; El-Sadany, Samir K.; Kassem, Ahmed A.; Maksoud, Hamdy A. Journal of Chemical & Engineering Data, 1989 , vol. 34, # 3 p. 368 - 370]