Chemistry of Heterocyclic Compounds p. 1144 - 1148 (1982)
Update date:2022-08-04
Topics:
Babeshko, O. M.
Medyantseva, E. A.
Lyashik, O. T.
Minkin, V. I.
The previously undescribed 3-bromo-5-nitro-2-hydroxycinnamaldehyde and a series of its imines were synthesized.It was shown by means of the IR, UV, and PMR spectra that a cyclic 2H-chromene structure is realized in the crystalline state and in solvents with various polarities on passing from the aldehyde, which has a benzenoid structure, to its imines.
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