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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Angew Chem Int Ed Engl. 2015 Nov 4;54(49):14638–14658. doi: 10.1002/anie.201505017

Scheme 19.

Scheme 19

Aerobic o-chloranil-catalyzed dehydrogenation of (A) dihydropyridines to pyridines and (B) 2-methylindoline to 2-methylindole using co-catalytic hybrid organic/inorganic platinum nanocluster catalyst (HB Pt), and (C) PMB ether deprotection under similar conditions employing oxidation-resistant polymer-incarcerated Pt co-catalyst (RPI Pt).[61]