Abstract
AbstractThe reaction of 4‐methylpyridine and its methiodide with p‐N, N‐dimethylamino‐benzaldehyde gave 4‐p‐N, N‐dimethylaminostyrylpyridine (I) and 4‐p‐N, N‐dimethylaminostyrylpyridine methiodide (II), respectively, II was also prepared by methylation of I with methyl iodide in methanol. The pyridylidene structure of II, N‐benzyl‐4‐(p‐N, N‐dimethylaminophenyl) pyridinium chloride (IVa) and its methiodide (Va) was discussed in terms of UV, NMR and mass spectra.
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