One-pot synthesis of hypervalent iodine reagents for electrophilic trifluoromethylation
V Matoušek, E Pietrasiak, R Schwenk…
Index: Matousek, Vaclav; Pietrasiak, Ewa; Schwenk, Rino; Togni, Antonio Journal of Organic Chemistry, 2013 , vol. 78, # 13 p. 6763 - 6768
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Citation Number: 75
Abstract
Simplified syntheses suited for large scale preparations of the two hypervalent iodine reagents 1 and 2 for electrophilic trifluoromethylation are reported. In both cases, the stoichiometric oxidants sodium metaperiodate and tert-butyl hypochlorite have been replaced by trichloroisocyanuric acid. Reagent 1 is accessible in a one-pot procedure from 2- iodobenzoic acid in 72% yield. Reagent 2 was prepared via fluoroiodane 11 in a ...
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