Some 4(1h) Pyridylidene Compounds II  Synthesis and Structure of  N,N ‐Conjugated‐4‐Pyridine Compounds | Zendy

Kuo Kung Tu | Zendy

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Some 4(1h) Pyridylidene Compounds II Synthesis and Structure of N,N ‐Conjugated‐4‐Pyridine Compounds

Author(s) -

Kuo Kung Tu

Publication year - 1978

Publication title -

journal of the chinese chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.329

H-Index - 45

eISSN - 2192-6549

pISSN - 0009-4536

DOI - 10.1002/jccs.197800023

Subject(s) - methiodide , chemistry , pyridinium , iodide , pyridine , benzaldehyde , methyl iodide , chloride , methanol , medicinal chemistry , proton nmr , mass spectrum , conjugated system , stereochemistry , organic chemistry , ion , catalysis , polymer

The 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 (IV a ) and its methiodide (V a ) was discussed in terms of UV, NMR and mass spectra.

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