Chemistry of Heterocyclic Compounds p. 385 - 390 (1982)
Update date:2022-08-04
Topics:
Krauze, A. A.
Bomika, Z. A.
Pelcher, Yu. E.
Mazheika, I. B.
Dubur, G. Ya.
3-Oxoisothiazolo<5,4-b>pyridines were synthesized for the first time by the reaction of 3-cyanopyridine-2-thiones or bis(3-cyanopyridyl) disulfides with concentrated sulfuric acid.It is demonstrated that 3-carbamoylpyridine-2-thiones are formed as intermediates.The 3-oxoisothiazolopyridines were converted to 3-bromoisothiazolopyridines and pyridine-2-thiones.The bromination of pyridine-2-thione was studied.
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Doi:10.1021/jo00141a024
(1982)Doi:10.1134/S0022476618010067
(2018)Doi:10.1002/ejoc.201300009
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(1990)
