Yu. P. Kovtun | Researchain

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ChemInform | 1986

Condensed Heterocycles with Thiazole Ring. Part 11. Thiazolo[3,4-b]triazinones.

Yu. P. Kovtun; N. N. Romanov

Die Methylthio-thiocarbonyl-hydrazone (I) von α-Ketocarbonsauren reagieren mit α-substituierten Nitrilen (II) zu Dihydrothiazolotriazinium-Salzen (III), die bei der Einwirkung von Basen in mesoionische Thiazolotriaziniumoxide (IV) ubergehen.

ChemInform | 2010

Polymethine Dyes Containing a (Benzo-15-crown-5)-thiazole Moiety

Yu. P. Kovtun; N. P. Shandura; A. I. Tolmachev

ChemInform | 2010

Ionochromic Bases of Styryl Dyes.

Yu. P. Kovtun; N. P. Shandura; A. I. Tolmachev

ChemInform | 1990

Levamisole and Analogues. Part 2. Chemical Properties.

N. N. Romanov; Yu. P. Kovtun; P. M. Kochergin

ChemInform | 1989

Fused Heterocycles with a Thiazole Nucleus. Part 17. Thiazolo(4,3-a)isoquinolinium Derivatives.

Yu. P. Kovtun; N. N. Romanov

ChemInform | 1989

Fused Heterocycles with a Thiazole Ring. Part 16. Cyanine Dyes (V), (VII), (IX) from Thiazolo(3,4-a)pyridines (III).

Yu. P. Kovtun; N. N. Romanov

ChemInform | 1989

Asymmetric Dyes with a Thiazolo(3,4-b)-1,2,4-triazine Nucleus.

G. G. Dyadyusha; Yu. P. Kovtun; N. N. Romanov

ChemInform | 1989

Polymethine Dyes with the Thiazolotriazinoindole Residue.

Yu. P. Kovtun; N. N. Romanov

ChemInform | 1989

Fused Heterocycles Containing Thiazole Rings. Part 15. Dyes (III), (VII) in the Thiazolo(3,4-b)(1,2,4)triazine Series.

Yu. P. Kovtun; N. N. Romanov; A. D. Kachkovskii

ChemInform | 1988

Mesoionic Compounds with Bridgehead Nitrogen Atoms. Part 14. Polymethine Dyes (III), (VII) with the Thiazolo(3,4-b)-1,2,4-triazinium Oxide Ring System.

Yu. P. Kovtun; N. N. Romanov

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A. I. Tolmachev

National Academy of Sciences of Ukraine

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Network

Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot

Dive into the research topics where Yu. P. Kovtun is active.

Publication

Featured researches published by Yu. P. Kovtun.

Condensed Heterocycles with Thiazole Ring. Part 11. Thiazolo[3,4-b]triazinones.

Polymethine Dyes Containing a (Benzo-15-crown-5)-thiazole Moiety

Ionochromic Bases of Styryl Dyes.

Levamisole and Analogues. Part 2. Chemical Properties.

Fused Heterocycles with a Thiazole Nucleus. Part 17. Thiazolo(4,3-a)isoquinolinium Derivatives.

Fused Heterocycles with a Thiazole Ring. Part 16. Cyanine Dyes (V), (VII), (IX) from Thiazolo(3,4-a)pyridines (III).

Asymmetric Dyes with a Thiazolo(3,4-b)-1,2,4-triazine Nucleus.

Polymethine Dyes with the Thiazolotriazinoindole Residue.

Fused Heterocycles Containing Thiazole Rings. Part 15. Dyes (III), (VII) in the Thiazolo(3,4-b)(1,2,4)triazine Series.

Mesoionic Compounds with Bridgehead Nitrogen Atoms. Part 14. Polymethine Dyes (III), (VII) with the Thiazolo(3,4-b)-1,2,4-triazinium Oxide Ring System.

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