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    Article

    Reaction of 4-iminothiazolidin-2-one with acetylacetone

    By the reaction of acetylacetone and arylazoacetylacetones with 4-iminothiazolidin-2-one thiazolo[4,5-b]pyridines were obtained in good yields. Optimum reaction conditions were chosen and some properties of compo...

    T. I. Chaban, B. S. Zimenkovskii, I. D. Komaritsa… in Russian Journal of Organic Chemistry (2012)

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    Article

    Reaction of 4-iminothiazolidinone-2 with acetoacetic ester

    The reaction of 4-iminothiazolidinone-2 with acetoacetic ester and its alkyl and aralkyl derivatives gives derivatives of thiazolo-[4,5-b]pyridine, which form salts with alkalis and are acylated.

    I. D. Komaritsa in Chemistry of Heterocyclic Compounds (1989)

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    Article

    Azolidine-4-thiones, their derivatives and analogs

    4-Thioxothiazolid-2-one (isorhodanine) is distinguished from the initial thiazolidine-2,4-dione, and also from rhodanine and other azolid-4-ones, by the highly active C=S group in position 4. When isorhodanine...

    I. D. Komaritsa, A. P. Grishchuk in Chemistry of Heterocyclic Compounds (1971)

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    Article

    A study of azolidones and their derivatives

    A study was made of the reaction of 5-alkylthiazolidindiones-2, 4 (I) with P2S5 in a medium of dioxane. 4-Thioxo-derivatives of compound I were obtained which readily react with ammonia and amines with the format...

    N. E. Plevachuk, I. D. Komaritsa in Chemistry of Heterocyclic Compounds (1970)

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    Article

    Studies on azolidones and their derivatives

    The action of a concentrated aqueous solution of ammonia on 4-thioxothiazolid-2-one has given an isomer of pseudothiohydantoin, 4-iminothiazolid-2-one (I). 5-Substituted derivatives of I have been obtained by ...

    I. D. Komaritsa in Chemistry of Heterocyclic Compounds (1968)

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    Article

    Investigation of methylene group hydrogen atom reactivity in some azolidines

    UV specttoscopy is used to investigate the kinetics of formation of arylidenerhodanines from rhodanine and various aromatic aldehydes whose benzene ring substitutents differ in nature and position. Hammett's e...

    S. N. Baranov, I. D. Komaritsa in Chemistry of Heterocyclic Compounds (1967)

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    Article

    4-Thiazolidines, derivatives and analogs

    In order to prepare isomers of 5-arylidene derivatives of rhodanine, 4-thione-1, 3-thiazolid-2-one (isorhodanine) is condensed with aromatic aldehydes and furfural. The reaction takes place when the reactants ...

    I. D. Komaritsa, S. N. Baranov, A. P. Grishuk in Chemistry of Heterocyclic Compounds (1967)

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    Article

    4-Thionazolidones, derivatives and analogs

    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 react...

    A. P. Grischuk, I. D. Komaritsa, S. N. Baranov in Chemistry of Heterocyclic Compounds (1966)

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    Article

    Study of the reactivity of the methylene hydrogen atoms of some azolidines. III. Kinetics of the reaction of azolidones-4 with benzaldehyde

    UV spectroscopy is used to study the kinetics of formation of 5-benzylideneazolidones-4. The reaction is shown to be irreversible and follows a second-order equation. The effect of various hetero atoms (sulfur...

    S. N. Baranov, I. D. Komaritsa in Chemistry of Heterocyclic Compounds (1965)