Recent advances in 1, 2, 4-triazolo [1, 5-a] pyrimidine chemistry

G Fischer - Advances in Heterocyclic Chemistry, 2019 - Elsevier
The review deals with the pharmaceutically and agrochemically important group of 1, 2, 4-
triazolo [1, 5-a] pyrimidines (TPs) and covers relevant literature published from about 2006 …

An exhaustive compilation on chemistry of triazolopyrimidine: A journey through decades

PK Singh, S Choudhary, A Kashyap, H Verma… - Bioorganic …, 2019 - Elsevier
The triazolopyrimidine scaffold represents one of the privileged structure in chemistry, and
there has been an increase in number of studies utilizing this scaffold and its derivatives …

One-pot synthesis of highly functionalized pyrimido [1, 2-b] indazoles via 6-endo-dig cyclization

J Palaniraja, SM Roopan, GM Rayalu - RSC advances, 2016 - pubs.rsc.org
An efficient synthesis of nitrogen ring junction pyrimido-indazoles has been developed. This
is a metal catalyzed transformation that proceeds via A3 coupling reaction between 1H …

Different Synthetic Methods for the Preparation of Triazolopyrimidines and Their Biological Profile

A Hibot, A Oumessaoud, A Hafid, M Khouili… - …, 2023 - Wiley Online Library
One or more nitrogen‐containing molecules constitute an important class of heterocyclic
compounds in organic synthesis, due to their reactivity and their presence in many …

An efficient three component one-pot synthesis of 5-amino-7-aryl-7, 8-dihydro-[1, 2, 4] triazolo [4, 3-a]-pyrimidine-6-carbonitriles

K Ablajan, W Kamil, A Tuoheti, S Wan-Fu - Molecules, 2012 - mdpi.com
A series of novel 5-amino-7-aryl-7, 8-dihydro-[1, 2, 4] triazolo [4, 3-a]-pyrimidine-6-
carbonitriles were synthesized by a one-pot reaction of 3-amino-1, 2, 4-triazole …

Iodine-mediated synthesis of indazolo-quinazolinones via a multi-component reaction

J Palaniraja, SM Roopan - RSC Advances, 2015 - pubs.rsc.org
We report an expeditious synthesis of selected indazolo-quninazolinone derivatives via an
iodine-mediated multi-component reaction (MCR). The MCR involved an in situ generation …

Greener Protocol for the Synthesis of Carbamates.

A Satheesh, H Usha, DS Priya… - Journal of Scientific …, 2023 - search.ebscohost.com
An efficient and environmentally friendly protocol has been developed for synthesizing
carbamates. Carbamate derivatives are frequently used as pesticides (insecticides …

Rh (III)-Catalyzed Annulation of Azobenzenes with Vinylene Carbonate

Z Wenjie, L Chao, W Bochao, G Hui… - Chinese Journal of …, 2022 - sioc-journal.cn
A mild Rh (III)-catalyzed annulation of azobenzenes with vinylene carbonate via inert C—H
bond activation has been developed. In this reaction system, vinylene carbonate provides …

Green and Solid-Phase Synthesis of New Dihydro-[1,2,4]Triazolo[1,5-a]Pyrimidine Scaffolds by Using Poly-Melamine-Formaldehyde as a Nitrogen-Rich Porous …

NG Khaligh, T Mihankhah - Polycyclic Aromatic Compounds, 2022 - Taylor & Francis
This work presents a new catalytic application of porous poly-melamine-formaldehyde
(mPMF) for the efficient synthesis of new dihydro-[1, 2, 4] triazolo [1, 5-a] pyrimidines …

Triazolopyrimidine nuclei: Privileged scaffolds for developing antiviral agents with a proper pharmacokinetic profile

T Felicetti, MC Pismataro, V Cecchetti… - Current Medicinal …, 2022 - ingentaconnect.com
Viruses are a continuing threat to global health. The lack or limited therapeutic
armamentarium against some viral infections and increasing drug resistance issues make …