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. 2017 Feb 1;56(6):1610-1613.
doi: 10.1002/anie.201610924. Epub 2016 Dec 16.

A Stereoconvergent Cyclopropanation Reaction of Styrenes

Ana M Del Hoyo  1 , Ana G Herraiz  1 , Marcos G Suero  1
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A Stereoconvergent Cyclopropanation Reaction of Styrenes

Ana M Del Hoyo et al. Angew Chem Int Ed Engl. .

Abstract

The first stereoconvergent cyclopropanation reaction by means of photoredox catalysis using diiodomethane as the methylene source is described. This transformation exhibits broad functional group tolerance and it is characterized by an excellent stereocontrol en route to trans-cyclopropanes regardless of whether E- or Z-styrene substrates were utilized.

Keywords: carbenoids; catalysis; cyclopropanation; photoredox catalysis; radicals.

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