The master's thesis presents 2H-pyran-2-ones, different synthetic routes and their reactivity in various reactions. One of the possible transformations is via cycloaddition reactions leading to interesting bicyclo[2.2.2]octene systems. In the experimental work, I focused on the reactions of 2H-pyran-2-ones with maleic anhydride, in which the main products are variously substituted bicyclo[2.2.2]octenes, with possible formation of aromatic derivatives of isobenzofuran in some cases. Analysis of the results provides insight into the effects on the reactivity of 2H-pyran-2-ones in Diels–Alder reactions.
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