Search Results - "Firgang, S. I."

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  1. 1

    Synthesis of 3-methyl-3,4-dihydroisoquinolines based on myristicin by Smolyak, A. A., Konyushkin, L. D., Firgang, S. I., Shklyaev, Yu. V.

    Published in Russian journal of organic chemistry (01-12-2016)
    “…The reaction of a natural allylbenzene, myristicin, with nitriles afforded a series of 7,8-dihydro-[1,3]dioxolo[4,5- g ]isoquinoline and…”
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    On the reaction of sterically hindered α,β-unsaturated ketones with hydroxylamine: preparation of 5-hydroxy derivatives of isoxazolidine and 4,5-dihydroisoxazole by Mavrov, M. V., Firgang, S. I.

    Published in Russian chemical bulletin (01-03-2012)
    “…A reaction of hydroxylamine with α,β-unsaturated ketones containing a tertiary carbon atom α to the keto group leads to 5-hydroxyisoxazolidine and 5-hydroxy-Δ…”
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  10. 10

    Synthesis and Antibacterial Activity of 3-Pyrrol-1-Ylthieno[2,3-b ]Pyridine-2-Carboxylic Acid [(Phenyl-,1,3-Benzodioxol-5-YL)Methylene]Hydrazides by Kostenko, E. S., Kaigorodova, E. A., Terekhov, V. I., Firgang, S. I., Konyushkin, L. D.

    Published in Pharmaceutical chemistry journal (01-07-2015)
    “…Aseries of 3-pyrrol-1-ylthieno[3,2- b ]pyridine-2-carboxylic acid [(phenyl-, 1,3-benzodioxol-5-yl)methylene]- hydrazides were synthesized by reacting…”
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    Synthesis of 4(6)-aryloxy- and 4-arylthio-2,1,3-benzoxadiazoles by Kuznetsova, A. S., Gornostaev, L. M., Stashina, G. A., Firgang, S. I.

    Published in Russian chemical bulletin (01-09-2013)
    “…Reactions of 4,6-dibromo-2,1,3-benzoxadiazole with phenols or arenelthiols lead to 4-aryloxy-6-bromo-2,1,3-benzoxadiazoles or…”
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    Synthesis of chiral chromenes from levoglucosenone by Samet, A. V., Lutov, D. N., Firgang, S. I., Nelyubina, Yu. V., Semenov, V. V.

    Published in Russian chemical bulletin (01-10-2013)
    “…Levoglucosenone, an optically active α,β-unsaturated ketone available from cellulose, undergoes a stereoselective oxa-Michael-aldol domino reaction with…”
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  14. 14

    Transformation of 2-alkylamino-1,4-naphthoquinones into 2-alkylnaphtho[2,1-d][1,3]oxazole-4,5-dione 4-oximes by the action of nitrosylsulfuric acid by Gornostaev, L. M., Khalyavina, Yu. G., Lavrikova, T. I., Gatilov, Yu. V., Stashina, G. A., Firgang, S. I.

    Published in Russian journal of organic chemistry (01-12-2014)
    “…2-Alkylnaphtho[2,1- d ][1,3]oxazole-4,5-dione 4-oximes were synthesized by reaction of 2-alkylamino-1,4-naphthoquinones with nitrosylsulfuric acid in acetic…”
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    Cyclization of 2-arylamino-1,4-naphthoquinones to benzo[b]phenazine-6,11-dione 5-oxides by Gornostaev, L. M., Khalyavina, Yu. G., Lavrikova, T. I., Stashina, G. A., Firgang, S. I., Chernyshev, V. V.

    Published in Russian chemical bulletin (01-03-2014)
    “…A method for the synthesis of a new group of tetracyclic diazaquinones, viz. , benzo[ b ]-phenazine-6,11-dione 5-oxides, was developed and the pathways of…”
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    Polyalkoxybenzenes from plant material 6. Synthesis of 3-methyl-3,4-dihydroisoquinolines from apiol by Shklyaev, Yu. V., Smolyak, A. A., Firgang, S. I., Konyushkin, L. D.

    Published in Russian chemical bulletin (01-08-2012)
    “…A number of dihydroisoquinolines were synthesized by the reaction of apiol, a natural allylbenzene, with nitriles. When methyl thiocyanate was used as the…”
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    Azomethine Ylides Derived from Alkyl- (3-Oxopiperazin-2-yl)Acetates in 1,3-Dipolar Cycloaddition Reactions with n-Aryl Maleimides by Medvedeva, S. M., Stashina, G. A., Firgang, S. I., Malikova, E. S., Krysin, M. Yu, Shikhaliev, Kh. S.

    “…A 1,3-dipolar cycloaddition reaction of N-aryl maleimides with azomethine ylides obtained from aromatic aldehydes and alkyl(3-oxopiperazin-2-yl)acetates gave a…”
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    Structure of reaction products of substituted [1,3]thiazolo[3,2-b][1,2,4]triazol-6(5H)-ones with amines and hydrazines by Rzhevskii, A. A., Gerasimova, N. P., Chirkova, Zh. V., Filimonov, S. I., Firgang, S. I., Stashina, G. A., Suponitsky, K. Yu

    Published in Russian journal of organic chemistry (01-11-2013)
    “…Reactions of 2-(4-methylphenyl)[1,3]triazolo[3,2- b ][1,2,4]thiazol-6(5 H )-one and 5-benzylidene-2-(4-methylphenyl)[1,3]thiazolo[3,2- b ][1,2,4]triazol-6(5 H…”
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  20. 20

    Synthesis of 3-methyl-4-(5-R-1H-1,2,4-triazol-3-yl)-1,2,5-oxadiazoles by Godovikova, T. I., Vorontsova, S. K., Konyushkin, L. D., Firgang, S. I., Rakitin, O. A.

    Published in Russian chemical bulletin (01-02-2010)
    “…A number of 3-methyl-4-(5-R-1 H -1,2,4-triazol-3-yl)-1,2,5-oxadiazoles were obtained in high yields by thermal dehydration of acylated…”
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