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  1. Article

    Open Access

    Synthesis and Some Properties of New 5-Hydroxy-2-[(hetarylthio)methyl]-4H-pyran-4-ones

    The reaction of 2-thioxoazines with chlorokojic acid in the presence of KOH in DMF led to the formation of new hybrid molecules containing fragments of kojic acid and azaheterocycle linked by the SCH2 spacer. In ...

    V. V. Dotsenko, D. D. Guz, D. T. Tebiev… in Russian Journal of General Chemistry (2021)

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  2. No Access

    Article

    Completely Regioselective N-Tosylation of 5-Acetyl-4-aryl-6-hydroxy-3,6-dimethyl-4,5,6,7-tetrahydroindazoles

    The reaction of 5-acetyl-4-aryl-6-hydroxy-3,6-dimethyl-4,5,6,7-tetrahydroindazoles p-toluenesulfonyl chloride in boiling acetone in the presence of triethylamine was found to occur in a completely regioselective ...

    A. I. Ismiyev, V. V. Dotsenko, A. V. Bespalov… in Russian Journal of General Chemistry (2020)

  3. No Access

    Article

    Unexpected Result of Thiophosphorylation of 6-Aminopyrano[2,3-c]pyrazole-5-carbonitrile Derivative

    The reaction of 6-amino-3-methyl-4-(2,4-dichlorophenyl)-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile with phosphorus sulfide in boiling pyridine unexpectedly leads to the formation of a not previously describe...

    V. V. Dotsenko, V. A. Dushenko, N. A. Aksenov… in Russian Journal of General Chemistry (2019)

  4. No Access

    Article

    Synthesis of 4,6-Disubstituted 2-Thioxo-1,2-dihydropyridine-3-carbonitriles by the Reaction of Acetylenic Ketones with Cyanothioacetamide

    The reaction of acetylenic ketones with cyanothioacetamide in the presence of morpholine yields 4,6-disubstituted 2-thioxo-1,2-dihydropyridine-3-carbonitriles. Structure of the obtained compounds was proved us...

    D. S. Buryi, V. V. Dotsenko, A. S. Levashov… in Russian Journal of General Chemistry (2019)

  5. No Access

    Article

    Synthesis and molecular structure of catena((μ2-4,4,10,10-tetramethyl-1,3,7,9-tetraazaspiro[5.5]undecane-2,8-dione-O,O')- aquadinitratocadmium(II))

    A coordination polymer, catena((μ2-4,4,10,10-tetramethyl-1,3,7,9-tetraazaspiro[5.5]undecane- 2,8-dione-O,O')-aquadinitratocadmium(II) {[Cd(C11H20N4O2)(H2O)(NO3)2]} n } (I), has b...

    E. E. Netreba, N. V. Somov in Russian Journal of Inorganic Chemistry (2017)

  6. No Access

    Article

    Crystal structure of a new binuclear complex of bis(2,4,6,8-tetramethyl-2,4,6,8-tetraazabicyclo(3.3.0)octane -3,7-dione-O, O′)-diaqua-hexakis(nitrato-O,O′)-digadolinium(III) monohydrate

    A centrosymmetric binuclear complex of gadolinium(III) nitrate with bicyclic bisurea (2,4,6,8-tetramethyl-2,4,6,8-tetraazabicyclo(3.3.0)octane-3,7-dione, or mebicar, Mk) [Gd(C8H14N4O2)(H2O)(NO3)3]2·H2O (I) is syn...

    E. E. Netreba, N. V. Somov in Journal of Structural Chemistry (2017)

  7. No Access

    Article

    Synthesis and structure of catena((μ2-4,4,10,10-tetramethyl-1,3,7,9-tetraazaspiro[5.5]undecane-2,8-dione-O,O′)dichloro-zinc)

    The coordination polymer, catena-((μ2-4,4,10,10-tetramethyl-1,3,7,9-tetraazaspiro[5.5]undecane-2,8-dione-O,O′)dichloro-zinc) {[Zn(C11H20N4O2)Cl2]} n (I), is prepared for the fir...

    E. E. Netreba, N. V. Somov in Russian Journal of Coordination Chemistry (2017)

  8. No Access

    Article

    New binuclear bis(2,4,6,8-tetramethyl-2,4,6,8-tetraazobicyclo(3.3.0)octane-3,7-dione-O,O')-tetraaqua-hexakis(nitrato-O,O')-disamarium(III) complex: Synthesis and crystal structure

    The centrosymmetric binuclear complex of samarium(III) nitrate with bicyclic biscarbamide 2,4,6,8-tetramethyl-2,4,6,8-tetraazabicyclo(3.3.0)octane-3,7-dione, or mebicar (Mk) namely, [Sm(C8H14N4O2)(H2O)2(NO3)3]2 (

    E. E. Netreba, E. A. Sarnit, S. V. Shabanov… in Russian Journal of Inorganic Chemistry (2017)

  9. No Access

    Article

    Coordination polymer 4,4,10,10-tetramethyl-1,3,7,9-tetraazaspiro[5.5]undecane-2,8-dione with cobalt(II) nitrate: Synthesis and molecular structure

    The coordination polymer of cobalt(II) nitrate with bicyclic bis(urea), 4,4,10,10-tetramethyl-1,3,7,9-tetraazaspiro[5.5]undecane-2,8-dione (Sk) {[Co(C11H20N4O2)2(H2O), Co(C11H20N4O2)2(H2O)2]4+(NO ...

    E. E. Netreba, E. A. Sarnit, S. V. Shabanov… in Russian Journal of Coordination Chemistry (2017)

  10. No Access

    Article

    New binuclear complex of bis(2,4,6,8-tetramethyl-2,4,6,8- tetraazabicyclo(3.3.0)octane-3,7-dione-O,O')-diaquatetrakis(nitrato-O,O')-dimanganese(II) monohydrate: Synthesis and crystal structure

    The centrosymmetric binuclear manganese(II) nitrate complex with a bicyclic bis-carbamide, namely, 2,4,6,8-tetramethyl-2,4,6,8-tetraazabicyclo(3.3.0)octane-3,7-dione, or mebicar (Mk) [Mn(C8H14N4O2)(H2O)(NO3)2]2 ·...

    E. E. Netreba, S. V. Shabanov, A. A. Velikozhon… in Russian Journal of Inorganic Chemistry (2016)

  11. No Access

    Article

    Crystal structure of a new binuclear complex bis(2,4,6,8-tetramethyl-2,4,6,8-tetraazabicyclo(3.3.0)octane-3,7-dione-o,o′)-tetraaqua-hexakis(nitrato-o,o′)-dieuropium(III)

    A centrosymmetric binuclear complex of europium(III) nitrate with bicyclic bisurea (2,4,6,8-tetramethyl-2,4,6,8-tetraazabicyclo(3.3.0)octane-3,7-dione, or mebicar, Mk) [Eu(C8H14N4O2)(H2O)2(NO3)3]2 (I) is synthesi...

    E. E. Netreba, E. A. Sarnit, S. V. Shabanov… in Journal of Structural Chemistry (2016)

  12. No Access

    Article

    The novel dinuclear complex tetraaquahexakis(nitrato-O,O')bis(2,4,6,8-tetramethyl-2,4,6,8-tetraazabicyclo[3.3.0]octane-3,7-dione-O,O')dipraseodymium(III): Synthesis and crystal structure

    A centrosymmetric dinuclear complex, [Pr(C8H14N4O2)(H2O)2(NO3)3]2 (I), was obtained from praseodymium(III) nitrate and the bicyclic bisurea 2,4,6,8-tetramethyl-2,4,6,8-tetraazabicy-clo[ 3.3.0]octane-3,7-dione (me...

    E. E. Netreba, S. V. Shabanov… in Russian Journal of Coordination Chemistry (2016)

  13. No Access

    Article

    Crystal structure of a new complex bis(4,4,10,10-tetramethyl-1,3,7,9-tetraazospiro[5.5]undecane-2,8-dione-O)-diaquat-ris(nitrato-O,O′)-lanthanum

    For the first time, a mononuclear biligand complex of lanthanum nitrate with bicyclic bisurea (4,4,10,10-tetramethyl-1,3,7,9-tetraazospiro[5.5]undecane-2,8-dione, or spirocarbon, Sk) [La(C11H20N4O2)2(H2O)2··(NO3)

    E. E. Netreba in Journal of Structural Chemistry (2016)

  14. No Access

    Article

    Synthesis and crystal structure of the new complex bis(4,4,10,10-tetramethyl-1,3,7,9-tetraazospiro[5.5]undecane-2,8-dione-O)diaquatris(nitrato-O,O′)cerium(III)

    A mononuclear biligand complex of cerium(III) nitrate with bicyclic bisurea (4,4,10,10-tetramethyl-1,3,7,9-tetraazospiro[5.5]undecane-2,8-dione or spirocarbone (Sk)), Ce(C11H20N4O2)2(H2O)2(NO3)3 (I), is synthesiz...

    E. E. Netreba in Russian Journal of Coordination Chemistry (2015)

  15. No Access

    Article

    A study of the molecular and crystal structure of the coordination metallopolymer {[Co(C11H20N4O2)(H2O)3], [Co(H2O)6](NO3)4} n

    Single crystal X-ray diffraction is used to determine the crystal structure of the coordination metallopolymer {[Co(C11H20N4O2)(H2O)3], [Co(H2O)6](NO3)4} n (I), which is prepare...

    V. V. Dotsenko, E. E. Netreba in Journal of Structural Chemistry (2015)

  16. No Access

    Article

    Synthesis and crystal structure of the new binuclear complex of cerium(III) nitrate with 4,4,10,10-tetramethyl-1,3,7,9-tetraazospiro[5.5]undecane-2,8-dione and the change in the periodical properties in isostructural series of lanthanide complexes with this ligand

    The centrosymmetrical binuclar complex of cerium(III) nitrate with bicyclic bis-urea 4,4,10,10-tetramethyl-1,3,7,9-tetraazospiro[5.5]undecane-2,8-dione or spirocarbone (Sk), [Ce(C11H20N4O2)(H2O)2(NO3)3]2 (I), is ...

    E. E. Netreba in Russian Journal of Coordination Chemistry (2015)

  17. No Access

    Article

    Study of new molecular and crystal structures of 4,4,10,10-tetramethyl-1,3,7,9-tetraazospiro[5.5]undecane-2,8-dione and its salts: Monochloride, mononitrate, and tetraiodotellurate

    This is the first work to synthesize 4,4,10,10-tetramethyl-1,3,7,9-tetraazospiro[5.5]undecane-2,8-dione monohydrate, monochloride, mononitrate, and teteraiodotellurate: C11H20N4O2·H2O (I), C11H21N4O ...

    E. E. Netreba, E. S. Papayanina in Journal of Structural Chemistry (2014)

  18. No Access

    Article

    Synthesis and molecular and crystal structure of the coordination metallopolymer of scandium(III) nitrate with 4,4,10,10-tetramethyl-1,3,7,9,-tetraazospiro[5.5]undecane-2,8-dione

    {[Sc2(C11H20N4O2)3(H2O)6]6+ · 6(NO 3 − )} n (I), a coordination metallopolymer, has been synthesized for the first time and a...

    E. E. Netreba in Russian Journal of Inorganic Chemistry (2014)

  19. No Access

    Article

    Synthesis and molecular and crystal structures of binuclear complexes of Sm(III), Eu(III), Gd(III), Tb(III), and Dy(III) nitrates with 4,4,10,10-tetramethyl-1,3,7,9-tetraazospiro[5.5]undecane-2,8-dione

    Binuclear complexes of Sm(III), Eu(III), Gd(III), Tb(III), and Dy(III) nitrates with 4,4,10,10-tetramethyl-1,3,7,9-tetraazospiro[5.5]undecane-2,8-dione (C11H20N4O2, SC)—[Sm(NO3)3(SC)(H2O)]2(I), [Eu(NO3)3(SC)(H2O)...

    E. E. Netreba in Russian Journal of Coordination Chemistry (2013)

  20. No Access

    Article

    Study of the molecular and crystal structure of a new coordination polymer of copper(II) nitrate with 4,4,10,10-tetramethyl-1,3,7,9-tetraazospiro[5.5]undecane-2,8-dione

    A coordination polymer {[Cu(C11H20N4O2)2(H2O)]2+·2(NO 3 − )} n (I) is synthesized and analyzed using single-crystal XRD. The ...

    E. E. Netreba in Journal of Structural Chemistry (2013)

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