Aminoazoles as key reagents in multicomponent heterocyclizations

VA Chebanov, KA Gura, SM Desenko - Synthesis of Heterocycles via …, 2010 - Springer
Because of the significant role in biological processes in living cells and the diverse types of
physiological activities, heterocyclic compounds are in focus of intense investigations by …

Novel magnetic propylsulfonic acid-anchored isocyanurate-based periodic mesoporous organosilica (Iron oxide@PMO-ICS-PrSO3H) as a highly efficient and …

A Akbari, MG Dekamin, A Yaghoubi… - Scientific Reports, 2020 - nature.com
In this study, preparation and characterization of a new magnetic propylsulfonic acid-
anchored isocyanurate bridging periodic mesoporous organosilica (Iron oxide@ PMO-ICS …

Nano-WO3-supported sulfonic acid: New, efficient and high reusable heterogeneous nano catalyst

A Amoozadeh, S Rahmani - Journal of Molecular Catalysis A: Chemical, 2015 - Elsevier
Nano-WO 3-supported sulfonic acid [n-WO 3-SO 3 H (n-WSA)] is easily prepared from the
reaction of nano WO 3 with chlorosulfonic acid as sulfonating agent. This new catalyst is …

[HTML][HTML] Ultrasonic assisted synergetic green synthesis of polycyclic imidazo (thiazolo) pyrimidines by using Fe3O4@ clay core-shell

A Maleki, M Aghaei - Ultrasonics sonochemistry, 2017 - Elsevier
A practical and green approach for the ultrasound-enhanced one-pot multicomponent
synthesis of tetraheterocyclic imidazo (thiazolo) pyrimidines is described via the …

A simple, convenient one-pot synthesis of [1, 2, 4] triazolo/benzimidazolo quinazolinone derivatives by using molecular iodine

RG Puligoundla, S Karnakanti, R Bantu, K Nagaiah… - Tetrahedron …, 2013 - Elsevier
A wide variety of quinazolinone derivatives have been synthesized by condensation of 3-
amino-1, 2, 4-triazole and 2-aminobenzimidazole as amine sources, with aromatic …

Microwave-Assisted Three-Component Synthesis of 7-Aryl-2-alkylthio-4,7-dihydro-1,2,4-triazolo[1,5-a]-pyrimidine-6-carboxamides and Their Selective Reduction

VA Chebanov, EA Muravyova… - Journal of …, 2006 - ACS Publications
Multicomponent reactions (MCRs) and microwave-assisted organic synthesis (MAOS) have
been used as key methods for the synthesis of fused dihydropyrimidine derivatives. The …

Synthesis of Benzimidazolo[2,3-b]quinazolinone Derivatives via a One-pot Multicomponent Reaction Promoted by a Chitosan-based Composite Magnetic …

A Maleki, M Aghaei, N Ghamari - Chemistry Letters, 2015 - academic.oup.com
A practical and green approach for the one-pot multicomponent synthesis of
tetraheterocyclic benzimidazolo [2, 3-b] quinazolinones has been described via the …

Sulfamic acid–catalyzed, three-component, one-pot synthesis of [1, 2, 4] triazolo/benzimidazolo quinazolinone derivatives

MM Heravi, F Derikvand, L Ranjbar - Synthetic Communications®, 2010 - Taylor & Francis
An efficient and convenient approach is reported for three-component, one-pot synthesis of
the [1, 2, 4] triazolo/benzimidazolo quinazolinones by condensation of 2-amino …

A three component one-pot procedure for the synthesis of [1,2,4]triazolo/benzimidazolo-quinazolinone derivatives in the presence of H6P2W18O62 · 18H2O as a …

MM Heravi, L Ranjbar, F Derikvand, B Alimadadi… - Molecular …, 2008 - Springer
A rapid and efficient one-pot method for the synthesis of quinazolinone derivatives and
related heterocycles by condensation of 2-amino benzimidazole and 3-amino-1, 2, 4 …

Catalytic systems containing p-toluenesulfonic acid monohydrate catalyzed the synthesis of triazoloquinazolinone and benzimidazoquinazolinone derivatives

MR Mousavi, MT Maghsoodlou - Monatshefte für Chemie-Chemical …, 2014 - Springer
A variety of quinazolinones are readily prepared via one-pot three-component reaction in
good to excellent yields. The desired products were obtained from the reaction of dimedone …