Fused polycyclic nitrogen-containing heterocycles 13. Synthesis of 6-phenyl-2-phenylimino-6H-1,3,4-thiadiazine-5-carboxylic acid and its intermolecular cyclodehydration accompanied by sulfur extrusion to form dipyrazolo[1,5-a,1′,5′d]pyrazine
Mamedov, V. A., Nurkhametova, I. Z., Gubaidullin, A. T., Litvinov, I. A., Levin, Ya. A.
Published in Russian chemical bulletin (01.02.2005)
Published in Russian chemical bulletin (01.02.2005)
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Fused polycyclic nitrogen-containing heterocycles: VIII. Friedel-Crafts intramolecular cyclization of 5-phenylthiazole-4-carboxylic acids - A new route to indeno[2,1-d]thiazoles
Mamedov, VA, Gubaidullin, AT, Nurkhametova, IZ, Litvinov, IA, Levin, YA
Published in Russian journal of organic chemistry (01.04.2004)
Published in Russian journal of organic chemistry (01.04.2004)
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Fused polycyclic nitrogen-containing heterocycles 11. 4-Hydroxy-3,5-diphenyl-2-phenyliminothiazolidines as new key compounds in the synthesis of thiazolo[3,4-a]quinoxaline derivatives
Mamedov, V. A., Nurkhametova, I. Z., Kotovskaya, S. K., Gubaidullin, A. T., Levin, Ya. A., Litvinov, I. A., Charushin, V. N.
Published in Russian chemical bulletin (01.11.2004)
Published in Russian chemical bulletin (01.11.2004)
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Fused polycyclic nitrogen-containing heterocycles 14. Intramolecular cyclization of 4-azidocarbonyl-2,5-diphenylthiazole. New route to isoquinoline derivatives
Mamedov, V. A., Nurkhametova, I. Z., Gubaidullin, A. T., Rizvanov, I. Kh, Litvinov, I. A., Levin, Ya. A.
Published in Russian chemical bulletin (01.02.2005)
Published in Russian chemical bulletin (01.02.2005)
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Journal Article
Competition of the Hantzsch and boese reactions in the interaction of 1-thiocarbamoylthiosemicarbazide and phenylchloropyruvic acid methyl ester
Mamedov, V. A., Nurkhametova, I. Z., Gubaidullin, A. T., Litvinov, I. A., Levin, Ya. A.
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01.11.1999)
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01.11.1999)
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3-Aryl-1-imino-4-oxo-4,5-dihydrothiazolo-[3,4a]quinoxalines. Retrosynthetic approach
Mamedov, V. A., Kalinin, A. A., Gubaidullin, A. T., Nurkhametova, I. Z., Litvinov, I. A., Levin, Ya. A.
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01.12.1999)
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01.12.1999)
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Structure of intermediates in the Hantzsch reaction of phenylchloropyruvic acid derivatives with N,N′-diphenylthiourea
Mamedov, V. A., Nurkhametova, I. Z., Shagidullin, R. R., Chernova, A. V., Levin, Ya. A.
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01.07.1999)
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01.07.1999)
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Journal Article
Derivatives of 4-carboxy-3,5-diphenyl-2-phenyliminothiazoline. Synthesis and mass spectral investigation
Mamedov, V. A., Nurkhametova, I. Z., Rizvanov, I. Kh, Efremov, Yu. Ya, Levin, Ya. A.
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01.11.1999)
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01.11.1999)
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Fused Polycyclic Nitrogen-Containing Heterocycles. Part 13. Synthesis of 6-Phenyl-2-phenylimino-6H-1,3,4-thiadiazine-5-carboxylic Acid (IV) and Its Intermolecular Cyclodehydration Accompanied by Sulfur Extrusion to Form Dipyrazolo[1,5-a,1′,5′-d]pyrazine (V)
Mamedov, V. A., Nurkhametova, I. Z., Gubaidullin, A. T., Litvinov, I. A., Levin, Ya. A.
Published in ChemInform (07.02.2006)
Published in ChemInform (07.02.2006)
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Fused Polycyclic Nitrogen-Containing Heterocycles. Part 7. Friedel-Crafts Intramolecular Cyclization of 5-Phenylthiazole-4-carboxylic Acids - A New Route to Indeno[2,1-d]thiazoles
Mamedov, V. A., Gubaidullin, A. T., Nurkhametova, I. Z., Litvinov, I. A., Levin, Ya. A.
Published in ChemInform (02.11.2004)
Published in ChemInform (02.11.2004)
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Journal Article
Fused Polycyclic Nitrogen-Containing Heterocycles. Part 14. Intramolecular Cyclization of 4-Azidocarbonyl-2,5-diphenylthiazole. New Route to Isoquinoline Derivatives
Mamedov, V. A., Nurkhametova, I. Z., Gubaidullin, A. T., Rizvanov, I. Kh, Litvinov, I. A., Levin, Ya. A.
Published in ChemInform (21.02.2006)
Published in ChemInform (21.02.2006)
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Fused Polycyclic Nitrogen-Containing Heterocycles. Part 11. 4-Hydroxy-3,5-diphenyl-2-phenyliminothiazolidines as New Key Compounds in the Synthesis of Thiazolo[3,4-a]quinoxaline Derivatives
Mamedov, V. A., Nurkhametova, I. Z., Kotovskaya, S. K., Gubaidullin, A. T., Levin, Ya. A., Litvinov, I. A., Charushin, V. N.
Published in ChemInform (23.08.2005)
Published in ChemInform (23.08.2005)
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Competition of the Hantzsch and Bose reactions at interaction of 1-thiocarbamoylthiosemicarbazide with phenylchloropyruvic acid methyl ester
Mamedov, VA, Nurkhametova, IZ, Gubaidullin, AT, Litvinov, IA, Levin, YA
Published in Khimiia geterotsiklicheskikh soedineniĭ (01.11.1999)
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Published in Khimiia geterotsiklicheskikh soedineniĭ (01.11.1999)
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Unexpected course of the intramolecular Darzens condensation of dichloroacetoxybenzaldehyde. A novel one-step synthesis of 2,2-dichloro-3-(2-hydroxyphenyl)3-(2-formylphenoxy) propionic acid
Mamedov, VA, Gazizova, LK, Nurkhametova, IZ, Gubaidullin, AT, Litvinov, IA, Tsuboi, S, Levin, YA
Published in Chemistry letters (01.03.1998)
Published in Chemistry letters (01.03.1998)
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