4-Thionazolidones,derivatives and analogs |
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Authors: | A. P. Grischuk I. D. Komaritsa S. N. Baranov |
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Affiliation: | (1) Lvov State Medical Institute, USSR |
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Abstract: | A hitherto unknown isomer of rhodanine, 4-thiothiazolid-2-one (isorhodanine), is prepared by boiling thiazolidine-2, 4-dione with P2S5 in anhydrous dioxane for 3 hr. Isorhodanine I is characterized by great reactivity of the methylene and thione groups. The 4-phenylhydrazone and 4-phenylimino derivatives of I are prepared, as well as condensation products obtained by condensing I with aromatic aldehydes and diazonium salts. 5-Methylisorhodanine is also prepared. A derivative of I containing a quinoline ring is further obtained by reacting I with anthranilaldehyde.For Part II see [2]. |
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