A. Diazortiz et al., ON THE SELECTIVE BUTYLATION OF ACETOPHENONE BY PHASE-TRANSFER CATALYSIS IN THE ABSENCE OF SOLVENT, Synthetic communications, 23(7), 1993, pp. 875-883
The use of Solid-Liquid Phase Transfer Catalysis without Solvent permi
ts, by a careful selection of the reaction conditions, the selective p
reparation of the four products expected in the butylation of acetophe
none.