N-3-OXOALKYLAMIDES AND -THIOAMIDES IN THE SYNTHESIS OF HETEROCYCLIC COMPOUNDS. 6. THE EFFECT OF STRUCTURAL FACTORS ON THE REGIODIRECTION OF CYCLIZATION OF PYRIDINIUM DERIVATIVES OF N-(3-OXOALKYL)CHLOROACETAMIDES. STRUCTURE OF 1-(4-HYDROXY-4,6,6-TRIMETHYL
Keywords:
1-(4-hydroxy-2-oxo-3-piperidyl)pyridinium chlorides, N-(3-oxoalkyl)chloroacetamides, pyridinium salts, intramolecular cyclization, NMR spectraAbstract
The structure of 1-(4-hydroxy-4,6,6-trimethyl-2-oxo-3-piperidyl)pyridinium chloride has been established. Reasons have been found influencing the regiodirection of cyclization of pyridinium derivatives of N-(3-oxoalkyl)chloroacetamides.
How to Cite
Fisyuk, A. S.; Poendaev, N. V. Chem. Heterocycl. Compd. 2003, 39, 891. [Khim. Geterotsikl. Soedin. 2003, 1033.]
For this article in the English edition, see DOI https://doi.org/10.1023/A:1026194204454