<scp>Fe<sub>3</sub>O<sub>4</sub></scp>@<scp>SiO<sub>2</sub></scp>@<scp>D‐NHCS‐Tr</scp> as an efficient and reusable catalyst for the synthesis of <scp>indol‐3‐yl‐4<i>H</i></scp>‐chromene via a multi‐component reaction under solvent‐free conditions
Robabeh BaharfarDepartment of Organic Chemistry, Faculty of Chemistry University of Mazandaran Babolsar IranSahar PeimanDepartment of Organic Chemistry, Faculty of Chemistry University of Mazandaran Babolsar IranBehrooz MalekiDepartment of Chemistry Hakim Sabzevari University Sabzevar Iran
2021en
ABI
Аннотация
Abstract Fe 3 O 4 @SiO 2 @D‐NHCS‐Tr was used as an efficient catalyst in the three‐component reaction between indole derivatives, salicylaldehyde, and active methylene compounds under solvent‐free conditions to the synthesis of indol‐3‐yl‐4 H ‐chromene derivatives. The features of this method include the green conditions of the reaction, easy separation, eco‐friendly and cost‐effectiveness of the catalyst, and high yield in short reaction times.
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