Silica supported sodium hydrogen sulfate and Indion 190 resin: An efficient and heterogeneous catalysts for facile synthesis of bis-(4-hydroxycoumarin-3-yl) methanes

Silica supported sodium hydrogen sulfate and Indion 190 resin: An efficient and heterogeneous catalysts for facile synthesis of bis-(4-hydroxycoumarin-3-yl) methanes

4-Hydroxy coumarin on electrophilic substitution reaction with carbonyl compound in the presence of heterogeneous catalysts (NaHSO4·SiO2/Indion 190 resin) offers bis-(4-hydroxycoumarin-3-yl) methanes in good to excellent yields.

Bibliographic Details
Main Authors:	Vikas Padalkar, Kiran Phatangare, Santosh Takale, Rajaram Pisal, Atul Chaskar
Format:	Article
Language:	English
Published:	Elsevier 2015-01-01
Series:	Journal of Saudi Chemical Society
Subjects:	Heterogeneous catalysis Indion 190 resin NaHSO4·SiO2 4-Hydroxycoumarin Aldehyde Biscoumarinyl methanes
Online Access:	http://www.sciencedirect.com/science/article/pii/S1319610311002638

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