An overview of metal-free synthetic routes to isoxazoles: the privileged scaffold

S Das, K Chanda - RSC advances, 2021 - pubs.rsc.org
In the field of drug discovery, isoxazole is a five-membered heterocyclic moiety commonly
found in many commercially available drugs. In view of their enormous significance, it is …

1 (3)‐Formyl‐β‐carbolines: Potential Aldo‐X Precursors for the Synthesis of β‐Carboline‐Based Molecular Architectures

N Devi, S Kumar, SK Pandey… - Asian Journal of Organic …, 2018 - Wiley Online Library
Abstract β‐Carboline, a privileged scaffold in the alkaloid family, has a broad spectrum of
medicinal properties and is found in several commercial drugs, such as tadalafil …

Nitrile Oxide, Alkenes, Dipolar Cycloaddition, Isomerization and Metathesis Involved in the Syntheses of 2-Isoxazolines

S Krompiec, P Lodowski, A Kurpanik-Wójcik, B Gołek… - Molecules, 2023 - mdpi.com
The involvement of 1, 3-dipolar cycloaddition (1, 3-DP), double bond migration, metathesis,
and nitrile oxide (including in situ-generated nitrile oxide) as dipoles, together with the C= C …

Recent Advances in N-Arylation of Heterocycles in the Past Decade

X Yang, H Li, Q Jiang, Z Lei, Y **ao, J Liu… - Current Organic …, 2025 - benthamdirect.com
N-arylated heterocycles are a significant class of core scaffolds in medicinal chemistry,
materials science, and agrochemistry, highlighting their importance in various fields. The …

In (OTf) 3 assisted synthesis of β-carboline C-3 tethered imidazo [1, 2-a] azine derivatives

N Devi, D Singh, G Kaur, S Mor, VPRK Putta… - New Journal of …, 2017 - pubs.rsc.org
Synthesis of β-carboline based natural products and synthetic derivatives is one of the
frontier areas of research owing to their medicinal properties. It is envisaged that 3-formyl-9H …

One‐Pot Synthesis of 2, 3, 6‐Trisubstituted Pyridines by Phosphine‐Catalyzed Annulation of γ‐Vinyl Allenoates with Enamino Esters Followed by DDQ‐Promoted …

X Li, W Cai, Y Huang - Advanced Synthesis & Catalysis, 2022 - Wiley Online Library
A one‐pot strategy for constructing trisubstituted pyridine derivatives had been established
via phosphine‐catalyzed annulation and DDQ oxidative aromatization reactions. This …

N‐Chlorosuccinimide‐Promoted One‐Pot Synthesis of Substituted 4, 5‐Dihydroisoxazole‐5‐methanols in Aqueous Medium

Y Jia, K Ablajan - Advanced Synthesis & Catalysis, 2023 - Wiley Online Library
Herein, a catalyst‐free method for synthesizing 4, 5‐dihydroisoxazole‐5‐methanols is
proposed, whereby isoxazolines are constructed through the NCS‐mediated 1, 3‐dipolar …

An Expeditious Approach for the Synthesis of β‐Carboline− Pyrazole‐Based Molecular Hybrids

D Singh, P Sharma, R Kumar… - Asian Journal of …, 2018 - Wiley Online Library
A simple and highly efficient one‐pot, metal‐free approach has been developed for the
synthesis of β‐carboline− pyrazole/− pyrazoline‐based molecular hybrids. The synthesis of …

Convenient construction of tetrahydrochromeno [4′, 3′: 2, 3] indolizino [8, 7-b] indoles and tetrahydroindolizino [8, 7-b] indoles via one-pot domino reaction

J Sun, W Jiang, CG Yan - RSC advances, 2018 - pubs.rsc.org
The functionalized tetrahydrochromeno [4′, 3′: 2, 3] indolizino [8, 7-b] indoles were
conveniently synthesized in high yields by one-pot domino reaction of tryptamines, alkyl …

Et3N/DMSO-supported one-pot synthesis of highly fluorescent β-carboline-linked benzothiophenones via sulfur insertion and estimation of the photophysical …

D Singh, V Kumar, V Singh - Beilstein Journal of Organic …, 2020 - beilstein-journals.org
A robust transition-metal-free strategy is presented to access novel β-carboline-tethered
benzothiophenone derivatives from 1 (3)-formyl-β-carbolines using elemental sulfur …