1694 LEE I. SMITH AND FJ DOBROVOLNY Vol. 48 students4 have studied the action of sodium malonic ester and its derivatives on the mono-and di-halogenated indones and naphthoquinones. All of these reactions can be explained either as Wiirtz-Fittig syntheses, or as additions to the conjugated system followed by elimination of sodium halide. In every case deeply colored intermediate products were formed, and since there was a great ...