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Fe 3 O 4 @ SiO 2 @ D‐NHCS‐Tr as an efficient and reusable catalyst for the synthesis of indol‐3‐yl‐4 H ‐chromene via a multi‐component reaction under solvent‐free conditions
Author(s) -
Baharfar Robabeh,
Peiman Sahar,
Maleki Behrooz
Publication year - 2021
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.4258
Subject(s) - chemistry , catalysis , yield (engineering) , salicylaldehyde , indole test , solvent , reaction conditions , methylene , combinatorial chemistry , organic chemistry , polymer chemistry , schiff base , materials science , metallurgy
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.