Page 1. CHEMISTRY LETTERS, pp. 77-80, 1980. C )The Chemical Society of Japan 1980 SYNTHESIS OF ANTHRACYCLINONES VIA O-QUINODIMETHANES Francisco FARINA, Jaime PRIMO, and Tomas TORRES Instituto de Quimica Organica General, CSIC Juan de la Cierva, 3. Madrid-6 Spain The preparation of several key intermediates in the synthesis of anthra- cyclinones is described. The key step in the construction of the C ring of the ...