Preparation of Pyrimidines and Pyridines from Alkyl Ketones and Nitriles in Presence of Phosphoryl Chloride

H nmr ( ~0 ~1 ~) : 8[ppm] -7.9-7.25 (m, IOH.arom) ; 6.96 (6, IH.NH) ; 3.66 (d.2H.CH2, J -8 HZ); 2.0 ( 0 , 3H.C H ~) ; 1.88 (a.3H.C H ~) c.