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 …

Synthesis of [1,2,4]triazolo[1,5-a]pyrimidine (microreview)

M Fizer, M Slivka - Chemistry of Heterocyclic Compounds, 2016 - Springer
[1, 2, 4] Triazolo [1, 5-a] pyrimidines are very interesting and trend class of fused
heterocycles due to their valuable biological properties. Some [1, 2, 4]-triazolo [1, 5-a] …

β-Ketothioamides: efficient reagents in the synthesis of heterocycles

WS Guo, LR Wen, M Li - Organic & Biomolecular Chemistry, 2015 - pubs.rsc.org
β-Ketothioamides (KTAs) are versatile building blocks for the rapid construction of various
heterocyclic compounds. In the past decade, a number of successful reactions based on …

Recent Trends in the Chemistry of [1, 2, 4] Triazole [1, 5-a] pyrimidines

AM Mohamed, WA El-Sayed, AA Ibrahim… - Organic Preparations …, 2021 - Taylor & Francis
1, 2, 4-Triazole moieties have been incorporated into a wide variety of therapeutically
interesting drug candidates including central nervous system stimulants, sedatives …

Yb(OTf)3-Mediated Access to Furans from β-Ketothioamides via Eschenmoser Sulfide Contraction Reaction

M Li, XJ Kong, LR Wen - The Journal of Organic Chemistry, 2015 - ACS Publications
A mild and straightforward synthetic protocol for construction of a furan skeleton promoted by
Yb (OTf) 3 from β-ketothioamides and arylglyoxals has been developed at room …

Synthesis of New [1,2,4]Triazolo[1,5‐a]pyrimidine Derivatives: Reactivity of 3‐Amino[1,2,4]triazole towards Enaminonitriles and Enaminones

A Alnajjar, MM Abdelkhalik, MA Raslan… - Journal of …, 2018 - Wiley Online Library
A diversity of new 7‐substituted [1, 2, 4] triazolo [1, 5‐a] pyrimidine and 6‐substituted [1, 2, 4]
triazolo [1, 5‐a] pyrimidine‐7‐amine derivatives has been synthesized via reaction of 3 …

四正丁基碘化胺/叔丁基过氧化氢催化氧化合成噻唑啉衍生物的反应研究

于乐, 刘瑞娟, 李明 - 有机化学, 2017 - sioc-journal.cn
摘要建立了一种以β-芳甲酰硫代酰胺(KTAs) 和丙二腈为合成砌块合成噻唑啉衍生物的新方法.
采用廉价的四正丁基碘化胺(TBAI)/叔丁基过氧化氢(TBHP) 为催化氧化体系, 在三乙胺存在下 …

[PDF][PDF] β-KETOTHIOAMIDES: VERSATILE PRECURSORS TOWARDS IMPORTANT HETEROCYCLIC FRAMEWORKS

MS Singh, S Ray - soc.chim.it
β-Ketothioamides (KTAs) have proved to be important precursors to furnish diverse
heterocyclic moieties over the last couple of decades. The convergence of reactive sites and …

Tetrabutylammonium Iodide/t-Butylhydroperoxide Catalytic/Oxidative Synthesis of Thiazolylidene Derivatives

L Yu, R Liu, M Li - Chinese Journal of Organic Chemistry, 2017 - sioc-journal.cn
Two novel N-heterocyclic carbene-palladium (II) complexes were conveniently synthesized
through one-pot reactions of imidazolium salts, palladium chloride and acridine. The new …