Organic letters

Practical radical cyclizations with arylboronic acids and trifluoroborates

JW Lockner, DD Dixon, R Risgaard, PS Baran

Index: Lockner, Jonathan W.; Dixon, Darryl D.; Risgaard, Rune; Baran, Phil S. Organic Letters, 2011 , vol. 13, # 20 p. 5628 - 5631

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Citation Number: 103

Abstract

Practical radical cyclizations using organoboronic acids and trifluoroborates take place in water, open to air, and in a scalable fashion employing catalytic silver nitrate and stoichiometric potassium persulfate. Both Pschorr-type cyclizations and tandem radical cyclization/trap cascades are described, illustrating the utility of these mild conditions for the generation of polycyclic scaffolds.