Efficient two-step access to azafluorenones and related compounds

N Marquise, PJ Harford, F Chevallier, T Roisnel…

Index: Marquise, Nada; Harford, Philip J.; Chevallier, Floris; Roisnel, Thierry; Wheatley, Andrew E.H.; Gros, Philippe C.; Mongin, Florence Tetrahedron Letters, 2013 , vol. 54, # 24 p. 3154 - 3157

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Citation Number: 13

Abstract

Crystals of a lithiocuprate prepared from copper (I) chloride and lithium 2, 2, 6, 6- tetramethylpiperidide (2equiv) were isolated and analyzed by X-ray diffraction as (TMP) 2Cu (Cl) Li2· THF. The observation of this species is consistent with its having a role in deprotocupration–aroylation. Phenyl pyridyl ketones, phenyl quinolyl ketones, and phenyl thienyl ketones were prepared in tetrahydrofuran using the lithiocuprate and aroyl ...