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. Author manuscript; available in PMC: 2019 May 2.
Published in final edited form as: J Am Chem Soc. 2018 Nov 5;140(45):15525–15534. doi: 10.1021/jacs.8b10238

Scheme 3. Proposal for the Observed Solvent-Dependent Chemoselectivity of Pyridyl Radicalsa.

Scheme 3.

aThe competition experiments were performed with [Ir(ppy)2(dtbbpy)]PF6 (1 mol %), Hantzsch ester (1.3 equiv), 2-bromo-6-methylpyridine (1 equiv), dimethylethylidene malonate (3 equiv), and isopropenyl acetate (3 equiv) in 2,2,2-trifluoroethanol (0.1 M) at 23 °C for 16 h.