Elbs Reaction

K. Elbs, E. Larsen, Ber. 17, 2847 (1884).

Formation of polyaromatics (eg. anthracene) by intramolecular condensation of diaryl ketones containing a methyl or methylene substituent adjacent to the carbonyl group:

L. F. Fieser, Org. React. 1, 129 (1942); G. N. Badger, B. J. Christie, J. Chem. Soc. 1956, 3435; N. P. Buu-Hoi, D. Lavit, Rec. Trav. Chim. 76, 419 (1957); Cl. Marie et al., J. Chem. Soc. 1971, 431; M. S. Newman, V. K. Khanna, J. Org. Chem. 45, 4507 (1980).