Sur l'acylation des méthylfluorènes III [1]: Benzoylation et acétylation du méthyl-3-fluorène

Benzoylation and acétylation of 3-methyl-fluorene according to Friedel-Crafts in carbon disulfide with aluminium chloride yielded the corresponding 2-acyl derivatives. By oxidation the benzoyl derivative gave 2-benzoyl-9-oxo-fluorene-3-carboxylic acid, cychsable into the known 2,3-phthalyl-fluorenone. By Clemmensen reduction, the acetyl derivative gave 3-methyl-2-ethyl-fluorene.