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Au-Cavitand Catalyzed Alkyne-Acid Cyclizations

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Supramolecular cavitands that contain inwardly directed functional groups have yielded specialized transformations and trapping of reactive intermediates. A recently reported 3-wall Au cavitand provides exciting opportunities for supramolecular catalysis. In… Click to show full abstract

Supramolecular cavitands that contain inwardly directed functional groups have yielded specialized transformations and trapping of reactive intermediates. A recently reported 3-wall Au cavitand provides exciting opportunities for supramolecular catalysis. In this study, a variety of substituted γ-alkynoic acids were reacted to give lactones. The interaction of peripheral “R” groups revealed differential catalyst behavior.

Keywords: acid cyclizations; alkyne acid; cavitand catalyzed; chemistry; catalyzed alkyne

Journal Title: European Journal of Organic Chemistry
Year Published: 2019

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