Abstract

In this work, we report the first selective, photocatalyzed [2+2]-cycloaddition of dehydroamino acids with styrene-type olefins. This simple, mild, and scalable approach relies on the use of the triplet energy transfer catalyst [Ir(dFCF3ppy2)dtbpy]PF6 under visible light irradiation and provides fast access to value-added substituted strained cyclobutane α-amino acid derivatives.

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