Palladium-Catalyzed Formation of Aceanthrylenes: A Simple Method for Peri-Cyclopentenelation of Aromatic Compounds
作者:Hung Dang、Miguel A. Garcia-Garibay
DOI:10.1021/ja002329q
日期:2001.1.1
2(PPh3)2 (4.5 mol %), PPh3 (23 mol %), CuSO4/ Al2O3 (17 mol %), alkyne (400 mol %), Et3N (400 mol %), benzene (deoxygenated), refluxed 16 h. b Total isolated yield of 2 and 3 after chromatography. c Relative ratios determined by 1H NMR. d Sealed tube reactions were carried out at 110 °C with no copper.