IX, A, 2 Pratt and Brill: Phthalide Co7npoiinds 



PHTHALANIL OXIME 



111 



c=o 



C6H4<^^NC6H5 



C=NOH 



Phthalanil oxime was prepared from thiophthalanil and 

 hydroxylamine.^ 



Oscillation frequency. 

 /8 ZOOO 2? Z4 Ze Ze 3000 32 34- 36 38 4000 



'■+-> 



2.4 



QJ 



2.2 









W 





y 



Z.O 











3 



>.a 



Fig. 3. Curve 1. Thiophthalanil in glacial acetic acid. Curve 2. Thiophthalanil in sulphuric 



acid. 



Repeated recrystallization from methyl and from ethyl alcohol 

 gave colorless needles melting with decomposition at 245*^ 



Reissert und Holle, loc. cit. 



