Tetrahedron Letters

Synthesis of non-K-region ortho-quinones of polycyclic aromatic hydrocarbons from cyclic ketones

KL Platt, F Oesch

Index: Platt, Karl L.; Oesch, Franz Tetrahedron Letters, 1982 , vol. 23, # 2 p. 163 - 166

Full Text: HTML

Citation Number: 25

Abstract

Spectral data of the new compounds: , 1 H NMR (60 MHz, CD 2 Cl 2 ) δ [ppm] 6.47 (d, 1, H 3 , J 3,4 = 9.9 Hz), 7.31 - 8.51 (m, 8, aromatic), 10.02 (br. s, 1, H 12 ); VIS-UV (dioxane) λ max [nm] (log ε) 313 (4.11), 344 (3.75), 424 (3.63), 510 (2.76); IR (KBr) ν c=o [cm -1 1652; MX (70 eV) m/e (rel. int.) 258 (15.5%, M + ), 230 (100%, M - CO), 202 (39.9%, M - 2 CO). ... , 1 H NMR (60 MHz, CDCl 3 δ [ppm] 6.47 (d, 1, H 10 , J 10,11 = 10.8 Hz), 7.50 - 7.93 (m, 6, aromatic), ...