Chemistry of Heterocyclic Compounds p. 799 - 806 (1980)
Update date:2022-08-16
Topics:
Andreeva, I. M.
Bondarenko, E. A.
Volubushko, N. V.
Knyazhanskii, M. I.
Medyantseva, E. A.
et al.
A number of N-aryl- and N-alkylimines of 2-hydroxy-5,6-benzocinnamaldehyde were synthesized.The cyclic 2-amino-2H-chromene structure in nonpolar solvents was established for them by IR, UV, and PMR spectroscopy.It is shown that the transition to polar solvents leads to the establishment of a tautomeric ring-chain equilibrium.The equilibrium thermal transformations and phototransformations of some N-aryl- and N-alkylimines were studied.
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Doi:10.1016/S0040-4020(01)83137-9
(1980)Doi:10.1021/acs.joc.1c00161
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