Introduction
Diels–Alder reaction is named after Otto Diels and Kurt Alder, two German chemists who studied the synthetic and theoretical aspects of this reaction in great detail. Their efforts were recognized for the outstanding contribution to the development of synthesis of simple to complex natural products and were rewarded with the 1950 Nobel Prize. The Diels–Alder reaction has proven to be of great synthetic value, forming a key step in the construction of compounds through carbon–carbon, carbon–heteroatom, and heteroatom–heteroatom bond containing six-membered rings. Both inter- and intramolecular Diels–Alder reactions have found wide application in organic synthesis. In many cases the reactions have been reported to take place easily at ambient or slightly elevated temperatures; reactions which are sluggish or which involve thermally unstable reactants or lead to unstable products can often be accelerated by catalysts or by conducting the reaction under high-pressure...
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Gupta, G.R., Girase, T.R., Kapdi, A.R. (2022). Ionic Liquid as a Sustainable Reaction Medium for Diels-Alder Reaction. In: Zhang, S. (eds) Encyclopedia of Ionic Liquids. Springer, Singapore. https://doi.org/10.1007/978-981-33-4221-7_27
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