Dimethyl acetylenedicarboxylate as a building block in heterocyclic synthesis

MM Heravi, T Alishiri - Advances in heterocyclic chemistry, 2014 - Elsevier
Dimethyl acetylenedicarboxylate (DMAD) is an electron-deficient acetylenic compound
having two reactive ester groups. It is a privileged and advantaged molecule, which …

Development of domino reactions with β-enamino esters as key intermediates

Y Han, J Sun, Y Sun, H Gao, C Yan - Chinese Journal of Organic …, 2012 - sioc-journal.cn
Domino reactions have attracted much high attention in recent years due to its convergence,
productivity, facile execution and generation of highly diverse and complex products from …

Ten Years of Progress in the Synthesis of 2-Pyridone Derivatives via Three/Four Component Reaction

K Asmaa, B Fatima, K Zahira… - Mini-Reviews in …, 2023 - ingentaconnect.com
2-pyridones represents ubiquitous scaffolds often present in both natural products and
pharmaceutical compounds. Due to their wide applications in medicinal chemistry, it is not …

Reaction of β-enaminones and acetylene dicarboxylates: synthesis of substituted 1, 2-dihydropyridinones

V Nagaraju, D Purnachander, NR Mangina… - Organic & …, 2015 - pubs.rsc.org
Reaction of β-enaminones and acetylene dicarboxylates: synthesis of substituted 1,2-dihydropyridinones
- Organic & Biomolecular Chemistry (RSC Publishing) DOI:10.1039/C4OB01578A Royal …

Cooperative Heterogeneous Organocatalysis and Homogeneous Metal Catalysis for the One‐Pot Regioselective Synthesis of 2‐Pyridones

C Allais, O Basle, JM Grassot… - Advanced Synthesis …, 2012 - Wiley Online Library
A direct, one‐pot and regioselective access to N‐alkyl‐and N‐aryl‐substituted 2‐pyridones
is described from readily available β‐keto amides and either primary or secondary …

Synthesis of Pyridone Derivatives from 7‐Hydroxy‐7‐polyfluoroalkylhexahydroimidazo[1,2‐a]pyridin‐5‐ones

MV Goryaeva, YV Burgart… - European Journal of …, 2017 - Wiley Online Library
The synthesis of 1‐(2‐aminoethyl)‐6‐alkyl‐4‐polyfluoroalkylpyridin‐2‐ones based on the
acidic cleavage of 7‐hydroxy‐7‐polyfluoroalkylhexahydroimidazo [1, 2‐a] pyridin‐5‐ones is …

Synthesis of 2-pyridones by cycloreversion of [2.2. 2]-bicycloalkene diketopiperazines

KA Margrey, AD Hazzard, JR Scheerer - Organic letters, 2014 - ACS Publications
A general strategy for the conversion of [2.2. 2]-diazabicyclic alkene structures to 2-pyridone
aromatic heterocyclic products is reported. The reaction sequence starts from 2, 5 …

Synthesis of Functionalized 1‐Benzamido‐1, 4‐dihydropyridines via a One‐Pot Two‐Step Four‐Component Reaction

J Sun, G Shen, Y Xie, C Yan - Chinese Journal of Chemistry, 2014 - Wiley Online Library
The one‐pot four‐component reaction of benzohydrazide, acetylenedicarboxylate, aromatic
aldehydes and malononitrile in ethanol with triethylamine as base catalyst afforded …

β-烯胺酯为关键中间体的串联反应研究进展

韩莹, 孙晶, 孙岩, 高红, 颜朝国 - 有机化学, 2012 - sioc-journal.cn
摘要串联反应具有原料简单易得, 中间产物无需分离提纯, 操作简单, 节省溶剂和降低消耗等很多
独特优点, 已成为当前有机合成研究的热点课题. 缺电子炔烃与芳香胺在温和条件下快速反应 …

Transition-metal-free highly efficient synthesis of 2-pyridones from β-keto amides and ynals

Z Chen, J Liu, C Jin, Q Tan, M Ye - Tetrahedron Letters, 2019 - Elsevier
A convenient and efficient annulation reaction was developed, affording 2-pyridones in good
to excellent yields. A variety of substituted β-keto amides and ynals were well tolerated, and …