An efficient green protocol for the synthesis of 1, 2, 4, 5-tetrasubstituted imidazoles in the presence of ZSM-11 zeolite as a reusable catalyst

SS Dipake, VD Ingale, SA Korde, MK Lande… - RSC …, 2022 - pubs.rsc.org
In this study, we have synthesized a series of ZSM-11 zeolite catalysts using tetrapropyl
ammonium hydroxide as a structure-directing agent through a highly efficient hydrothermal …

An efficient green protocol for the synthesis of tetra-substituted imidazoles catalyzed by zeolite BEA: effect of surface acidity and polarity of zeolite

JJ Gabla, SR Mistry, KC Maheria - Catalysis Science & Technology, 2017 - pubs.rsc.org
In the present study, the catalytic activity of various medium (H-ZSM-5) and large pore (H-
BEA, HY, H-MOR) zeolites were studied as solid acid catalysts. The zeolite H-BEA is found …

Green synthesis of 1, 2, 4, 5‐tetrasubstituted and 2, 4, 5‐trisubstituted imidazole derivatives involving one‐pot multicomponent reaction

R Bansal, PK Soni, AK Halve - Journal of Heterocyclic …, 2018 - Wiley Online Library
Sodium lauryl sulfate has been found convenient, versatile, and eco‐friendly catalyst for the
synthesis of 1, 2, 4, 5‐tetrasubstituted and 2, 4, 5‐trisubstituted imidazole derivatives by one …

[PDF][PDF] One-pot multi-component synthesis of some pharmacologically significant 2, 4, 5-tri and 1, 2, 4, 5-Tetrasubstituted Imidazoles: A review

R Bansal, PK Soni, MK Ahirwar… - Int. Res. J. Pure Appl …, 2016 - researchgate.net
Heterocyclic compounds are acquiring more importance in recent years because of their
pharmacological activities. Compounds containing imidazole moiety have many …

Copper borate (CuB 4 O 7)-promoted multi-component green synthesis of 2, 4, 5-triarylimidazole derivatives and evidence of in situ conversion of copper borate (CuB …

S Chettri, S Tamang, K Pradhan, B Sinha, D Brahman - RSC advances, 2023 - pubs.rsc.org
A green, efficient, and straightforward methodology for the three-component synthesis of 2,
4, 5-triarylimidazole has been developed under solvent-free conditions using …

Nano-Mn-[3-Nitrophenyl-Salicylaldimine-Methyl Pyranopyrazole] Cl2 as a New Schiff Base Complex and Catalyst

AR Moosavi-Zare, H Goudarziafshar… - Polycyclic Aromatic …, 2020 - Taylor & Francis
By the reaction of 3-nitrobenzaldehyde with ethyl acetoacetate, malononitrile and hydrazine
hydrate, pyranopyrazole derivative as an active biological compound was prepared and …

[PDF][PDF] The Zeolite ZSM-5-SO 3H as an Efficient Mild Heterogeneous Catalyst for the Synthesis of 1, 2, 5-Thiadiazolidines, 1, 2, 6-Thiadiazines, and Benzo [d][1, 2, 7] …

M Dehamchia, B Ichrak, Z Regainia - Indian Journal of Heterocyclic …, 2020 - academia.edu
Three series of compounds namely, 1, 2, 5-thiadiazolidine-3, 4 (H)-dione-1, 1-dioxydes, 1, 2,
6-thiadiazine-3, 5 (H)-dione-1, 1-dioxydes, and benzo [d][1, 2, 7] thiadiazepine-1, 5 (2H) …