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

Internet

http://www.sciencedirect.com/science/article/pii/S1319610311002638

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