Photocatalyzed Synthesis of 3‐Substituted Phthalides: A Key Access to (±)‐Herbaric Acid
European Journal of Organic Chemistry(2023)
Abstract
Abstract An efficient organophotocatalyzed protocol was developed for the preparation of 3‐substituted phthalides. The presented transformation was performed under particularly mild conditions within 6 h and was ultimately applied to a precursor of the herbaric acid.
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Key words
oxa-Michael cyclization,phthalides, photocatalysis,4-CzIPN,(±)-herbaric acid
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