Adducts AlCl3.RCOCl undergo highly regioselective self- and cross-condensation. 4-Hydroxy-2-pyrones and 2-acetyl-indan-1,3-diones are synthesized in good yields.
Sartori, Giovanni; Bigi, Franca; Maggi, Raimondo, Journal of the Chemical Society. Perkin transactions I, 1992, # 21, p. 2985 - 2988
作者:Sartori, Giovanni、Bigi, Franca、Maggi, Raimondo、Baraldi, Davide、Casnati, Giuseppe