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We also show how low field NMR can provide a deceptively simple yes/no answer (for a system that would otherwise require laborious off-line testing) in the enrichment of one component vs. another in a kilogram scale distillation. Benchtop NMR was also used to derive molecule specific information from Flow-IR, a technology found in most manufacturing sites, and compare the ease at which the concentrations of the reaction mixtures can be derived by NMR versus IR. This article is protected by copyright. All rights reserved.BACKGROUND

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A visible-light-induced radical tandem cyclization/arylation between 2-amino-1, 4-naphthoquinone and N-allyl-2-bromo-2,2-difluoroacetamides has been developed without an external photocatalyst. The transformation could be carried out at room temperature and gave a variety of C-3-functionalized 2-amino-1,4-naphthoquinone derivatives in moderate to excellent yields. Moreover, mechanistic studies revealed that the reaction is driven by the formation of an electron donor-acceptor (EDA) complex. Diabetic foot (DF) is one of the most common