109352-08-1Relevant articles and documents
Cyclising Nucleophilic Addition to Azinium Systems. Part 2. Reactions of 3-Acylpyridinium Hydrazones.
Street, Jonathan D.,Baradarani, M. Mehdi,Beddoes, Roy L.,Mills, Owen S.,Joule, John A.
, p. 1247 - 1285 (2007/10/02)
3-Acyl-1-methylpyridinium tosyl- and benzoylhydrazines lose a side-chain N-hydrogen on treatment with mild base thus forming zwitterions, isolable in some cases; intramolecular nucleophilic cyclising addition to the pyridinium nucleus in these was observe