Synthesis of 4-Quinolones via Cyclocondensation of Substituted ortho-Amidoacetophenones: A Refit to the Camps Cyclization by Applying Trimethylsilyl Trifluoromethanesulfonate/Triethylamine - Eidamshaus, Christian; Triemer, Therese; Reissig, Hans-Ulrich (Synthesis, 2011)