名称:
Acid-catalyzed intramolecular C-alkylation in .beta.,.gamma.-unsaturated diazomethyl ketones. 3. A simple synthetic route to hexahydro-4,9a-ethano-1H-fluoren-11-ones, hexahydro-6H-pentaleno[6a,1-a]indan-4-ones and hexahydrocyclobuta[j]fluoren-2(1H)-ones