June, 1934 THE REACTION OF CHLOROAMINES WITH ZINC ALKYLS 1381 precipitate of pure bromobenzoic methyl ester in 98% yield (identified by mixed melting point with an authentic sample). The filtrate on acidification gave the characteristic color reaction of acetoacetic acid with ferric chloride. y-Bromophenyl-y-methoxy-fl-methyl-y-butyrolactone (Cyclic B-(Bromobcnzoylbutyric) Methyl Ester), V.-Is prepared in good yield by the zinc ...