Tosylates 311 (19%) of colorless prisms, m.p. 129.5-132°. Two additional recrystallizations from isopropyl alcohol gave the analytical sample, m.p. 134.5-135.5°.The ultraviolet spectrum exhibits Xm»x 271 µ (e 41,000) in 0.1 N methanolic sodium methoxide.

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The syn and anti isomers of a-oximinophenyl-and p-chlorophenylacetonitrile and the corresponding oximeThe configuration of the oxime tosylate had no effect on the rearrangement The preparation of related N-chlor-and N-fluor-a-iminoarylacetonitriles tosylates have been characterized. and fragmentation of the tosylate. is reported also.Recently, the preparation of the tosylates of some a-oximinoarylacetonitriles2 (I) and the sodium ethoxide induced rearrangement and fragmentation of these tosylates were r e p~r t e d .~ Rearrangement gave arylimidocarbonates (11) while fragmentation produced aromatic nitriles. iC--OTsOEt

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