Abstract
Oxazolines are important heterocyclic systems due to their biological activities, such as antibacterial, antimalarial, anticancer, antiviral, anti-inflammatory, antifungal, antipyretic, and antileishmanial. They have been widely applied as chiral auxiliaries, polymers, catalysts, protecting groups, building blocks, and ligands in asymmetric synthesis. Due to their importance, many synthetic routes to prepare oxazoline moieties have been investigated and developed by researchers around the world. In this review, we summarized several synthetic methodologies published in the literature. The main substrates are nitriles, carboxylic acids, and acid derivatives, which react with a variety of reactants under conventional heating, microwave irradiation or ultrasound irradiation conditions. Syntheses via intramolecular cyclisation from amides have also been reported. Many publications have highlighted procedures based on solvent-free conditions using eco-friendly, reusable, and easy-availability catalysts.
Keywords: Oxazolines, Organic synthesis, Solvent-free synthesis, Microwave irradiation, Ultrasound irradiation, Chemoselectivity.
Current Organic Synthesis
Title:A Review of the Synthesis of Oxazoline Derivatives
Volume: 21
Author(s): Cynthia Nathalia Pereira, Amanda Cristina Cruz Eschholz and Maurício Silva dos Santos*
Affiliation:
- Laboratório de Síntese de Sistemas Heterocíclicos (LaSSH), Institute of Physics and Chemistry, Federal University of Itajubá, 1303 BPS Avenue, Itajubá - MG, Brazil
Keywords: Oxazolines, Organic synthesis, Solvent-free synthesis, Microwave irradiation, Ultrasound irradiation, Chemoselectivity.
Abstract: Oxazolines are important heterocyclic systems due to their biological activities, such as antibacterial, antimalarial, anticancer, antiviral, anti-inflammatory, antifungal, antipyretic, and antileishmanial. They have been widely applied as chiral auxiliaries, polymers, catalysts, protecting groups, building blocks, and ligands in asymmetric synthesis. Due to their importance, many synthetic routes to prepare oxazoline moieties have been investigated and developed by researchers around the world. In this review, we summarized several synthetic methodologies published in the literature. The main substrates are nitriles, carboxylic acids, and acid derivatives, which react with a variety of reactants under conventional heating, microwave irradiation or ultrasound irradiation conditions. Syntheses via intramolecular cyclisation from amides have also been reported. Many publications have highlighted procedures based on solvent-free conditions using eco-friendly, reusable, and easy-availability catalysts.
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Cite this article as:
Pereira Nathalia Cynthia, Eschholz Cristina Cruz Amanda and dos Santos Maurício Silva*, A Review of the Synthesis of Oxazoline Derivatives, Current Organic Synthesis 2024; 21 () . https://dx.doi.org/10.2174/0115701794283180231228075225
DOI https://dx.doi.org/10.2174/0115701794283180231228075225 |
Print ISSN 1570-1794 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6271 |
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