Chemistry of Heterocyclic Compounds p. 1001 - 1003 (1986)
Update date:2022-09-26
Topics:
Yun, L. M.
Yangibaev, S.
Shakhidoyatov, Kh. M.
Alekseeva, V. Ya.
V'yunov, K. A.
2-Thioxo-4-quinazolone and its derivatives mono- and dimethylated at ring atoms N(1) and N(3) and the exocyclic sulfur have been synthesized.Using model compounds, UV spectroscopy has been used to show that 2-thioxo-4-quinazolone exists in the thioketo-form, no appreciable amounts of the thiol or enol isomers being present.
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