NHC–BIAN–Cu (I)-Catalyzed Friedländer-Type Annulation of 2-Amino-3-(per) fluoroacetylpyridines with Alkynes on Water

M Dolna, M Nowacki, O Danylyuk… - The Journal of …, 2022 - ACS Publications
The direct catalytic alkynylation/dehydrative cyclization of 2-amino-3-trifluoroacetyl-pyridines
on water was developed for the efficient synthesis of a broad range of fluorinated 1, 8 …

A Facile Three‐Component Catalyst‐Free Strategy: Synthesis of Indeno[1,2‐b][1,6]naphthyridine‐1,10(2H)‐dione Derivatives in Water

C Li, F Zhang, T Li, Z Liu, Z Shen - Asian Journal of Organic …, 2022 - Wiley Online Library
A catalyst‐free protocol for synthesizing a new series of indeno [1, 2‐b][1, 6] naphthyridine‐
1, 10 (2H)‐dione derivatives with good to excellent yields was established based on …

Formal synthesis of 10‐Hydroxy‐6‐Aryldibenzo [b, g][1, 8] Naphthyridin‐11 (6H)‐ones from 2‐chloroquinolin‐3‐carbaldehydes and 3‐(Arylamino) cyclohexenones

HJ Lee, JH Jeon, JH Kim, HB Jalani… - Journal of Heterocyclic …, 2024 - Wiley Online Library
We have described herein a simple and formal synthesis of 10‐Hydroxy‐6‐Aryldibenzo [b,
g][1, 8] naphthyridin‐11 (6H)‐ones from 2‐chloroquinolin‐3‐carbaldehydes and 3 …

[HTML][HTML] Synthesis, characterization, biological evaluation and docking studies of novel 5-(2-methyl-1, 8-naphthyridin-3-yl)-1, 3, 4-oxadiazol-2-amine and some of its …

RK Parangi, R Domala - Results in Chemistry, 2023 - Elsevier
The present work demonstrates the novel compounds of 5-(2-methyl-1, 8-naphthyridin-3-yl)-
1, 3, 4-oxadiazol-2-amine and its derivatives using symmetrical anhydrides. The synthesized …

Synthesis and biological evaluation of 1, 2, 4-Triazolo [4, 3-a][1, 8] naphthyridines under Microwave condition

KK Priya, KS Jella - Chemical Biology Letters, 2024 - pubs.thesciencein.org
Synthesis of 9-(4-bromophenyl)-6 aryl-[1, 2, 4] triazolo [4, 3-a][1, 8] naphthyridine-2-
carbonitrile (4a-j) from 7-(2-(4bromobenzylidene) hydrazinyl)-6-aryl-1, 8-naphthyridine-2 …

Six-membered ring systems: pyridines and benzo derivatives

JC Badenock - Progress in Heterocyclic Chemistry, 2021 - Elsevier
Pyridines and their benzo derivatives are versatile organic scaffolds celebrated for their
presence in a variety of agrochemicals, polymers, and pharmaceuticals. Accordingly, the …