Chemistry of Heterocyclic Compounds p. 951 - 957 (1984)
Update date:2022-08-03
Topics:
Dubonosov, A. D.
Sitkina, L. M.
Bren', V. A.
Bushkov, A. Ya.
Minkin, V. I.
Previously unknown vinylogs of 2(3)-aminomethylene-substituted benzothiophene-3-one, 1-methyloxindole, 1-methylindoxyl, benzofuran-3-one, and indan-1,3-dione have been synthesized.Their tautomeric transformations have been studied by methods of UV, IR, and PMR spectroscopy.It has been shown that the introduction of a substituent into the β position of a dienic chain favors the appearance of the cyclic form.
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