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1.
Инвентарный номер: нет.
   
   Z 99

   
    [1,2,4]Triazolo[1,5-d][1,2,4]triazines (microreview) / A. P. Krinochkin, D. S. Kopchuk, G. V. Zyryanov, O. N. Chupakhin // Chemistry of Heterocyclic Compounds. - 2021. - Vol. 57, № 1. - P7-9
УДК
54
ББК Г
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: In this microreview, we cover all currently known methods for the preparation of [1,2,4]triazolo[1,5-d][1,2,4]triazines, involving the assembly of a triazine ring on the basis of a triazole-containing starting material or the assembly of a triazole ring starting from a triazine-containing compound.

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2.
Инвентарный номер: нет.
   
   V 29

    Varaksin, M. V.
    Direct C-C coupling of cyclic aldonitrones with 1,2,4-triazines using SN H reactions [Электронный ресурс] / M. V. Varaksin, I. A. Utepova, O. N. Chupakhin // Chemistry of Heterocyclic Compounds. - 2012. - Vol.48, №8. - P1213-1219
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
1,2,4-TRIAZINES -- ALDONITRONES -- SnH REACTIONS
Аннотация: New nitrogen heterocyclic derivatives were obtained by a direct uncatalyzed by metals C-C cross-coupling of a cyclic aldonitrone lithium derivative with 1,2,4-triazines

\\\\Expert2\\NBO\\Chemistry of Heterocyclic Compounds\\2012, v.48, N 8, p.1213-1219.pdf
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3.
Инвентарный номер: нет.
   
   U 88

   
    Use of the tandem An-An reactions for the synthesis of condensed 1,2,4-triazines [Text] : доклад, тезисы доклада / V. N. Charushin, N. N. Mochul`skaya, A. A. Andreiko, M. I. Kodess, O. N. Chupakhin // XXth European Colloquium on Heterocyclic Chemistry, Stockholm,Sweden, 18-21 Aug. 2002 г. - Stockholm, 2002. - PA:8
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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4.
Инвентарный номер: нет.
   
   U 88

   
    Use of tandem AN-AN reactions for the synthesis of thiazolo[4,5-e]-1,2,4-triazines [Electronic resource] / V. N. Charushin, N. N. Mochul`skaya, A. A. Andreiko, M. I. Kodess, O. N. Chupakhin // Mendeleev Communications. - 2002. - Vol. 12, № 1. - P28-29
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: 3-Aryl-1,2,4-triazines react with thioamides in acetic anhydride to produce thiazolo[4,5-e]-1,2,4-triazine derivatives and this reaction represents a new method for the fusion of thiazole and 1,2,4-triazine rings based on the nucleophilic ortho-diaddition type (AN-AN) cyclization reactions??????

\\\\expert2\\nbo\\Mendeleev Communications\\2002, v.12, N 1. p.28.pdf
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5.
Инвентарный номер: нет.
   
   U 52

   
    Unexpected reduction of the nitro group in (3-nitrophenyl)-1,2,4-triazines during their aza-Diels–Alder reaction with 1-morpholinocyclopentene [Electronic resource] / D. S. Kopchuk, A. F. Khasanov, I. S. Kovalev, G. V. Zyryanov, V. L. Rusinov, O. N. Chupakhin // Mendeleev Communications. - 2013. - Vol.23, №4. - С. 209-211. - Bibliogr. : p. 211 (15 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
1,2,4-TRIAZINES -- NITRO GROUP -- MORPHOLINOCYCLOPENTENE
Аннотация: Unexpected reduction of the nitro group to the amino one during aza-Diels–Alder reaction between (3-nitrophenyl)-1,2,4-triazines and 1-morpholinocyclopentene (neat, 200 °C, argon) occurred to furnish 4-(3-aminophenyl)-6,7-dihydro-5H-cyclopenta[c]pyridines

\\\\expert2\\NBO\\Mendeleev Communications\\2013, v.23, p. 209.pdf
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6.
Инвентарный номер: нет.
   
   T 82

   
    Transition-Metal-Free Cross-Dehydrogenative Coupling of Triazines with 5,7-Dihydroxycoumarins / I. A. Khalymbadzha, O. N. Chupakhin, R. F. Fatykhov, V. N. Charushin, A. V. Schepochkin, V. G. Kartsev // Synlett. - 2016. - Vol. 27, № 18. - С. 2606-2610. - Bibliogr. : p. 2609-2610 (20 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
TRIAZINES -- 5,7-DIHYDROXYCOUMARINS -- DEHYDROGENATIVE

\\\\expert2\\NBO\\Synlett\\2016, V.27, p.2606-2610.pdf
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7.
Инвентарный номер: нет.
   

   
    Transformations of 4,5-bis(trifluoromethyl)imidazolidin-2-one and its N-substituted analogous in reactions with N,N-dinucleophiles / L. V. Saloutina, A. Y. Zapevalov, M. I. Kodess [et al.] // AIP conference proceedings. - 2022. - Vol. 2390. - Ст. 020069
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
CHEMICAL COMPOUNDS
Аннотация: 4,5-Dihydroxy-4,5-bis(trifluoromethyl)imidazolidin-2-one and its N-methyl(phenyl)-substituted analogous were synthesized by the reaction of perfluorobiacetyl with urea and methyl(phenyl)urea. Depending on a solvent nature and character of the substituent at N-atom of the imidazolidine, different trifluoromethyl-containing heterocycles were obtained in reactions of the imidazolidin-2-ones with thiosemicarbazide and guanidine carbonate: imidazothiazol, 1,2,4-triazines, and hydantoins.

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8.
Инвентарный номер: нет.
   
   T 82

   
    Transformations of 1,2,4-Triazines in Reactions with Nucleophiles: V. SNH and ipso-Substitution in the Synthesis and Transformations of 5-Cyano-1,2,4-triazines [Electronic resource] / D. N. Kozhevnikov, V. N. Kozhevnikov, I. S. Kovalev, V. L. Rusinov, O. N. Chupakhin, G. G. Aleksandrov // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2002. - Vol. 38, № 5. - P744-750
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The scope of functionalization of 1,2,4-triazines can be considerably extended via successive nucleophilic substitution of hydrogen (SN H) and ipso-substitution. A convenient procedure has been developed for direct cyanation of 1,2,4-triazine 4-oxides with acetone cyanohydrin in the presence of triethylamine. The cyano group in the resulting 5-cyano-1,2,4-triazines is readily replaced by reactions with various aliphatic alcohols and amines

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2002, 38 (5), 744.pdf
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9.
Инвентарный номер: нет.
   
   T 82

   
    Transformations of 1,2,4-triazines in reactions with nucleophiles: IV. Nucleophilic substitution of hydrogen in 1,2,4-triazine 4-oxides under acylation conditions [Text] / V. L. Rusinov, D. N. Kozhevnikov, I. S. Kovalev, O. N. Chupakhin, G. G. Aleksandrov // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2000. - Vol. 36, № 7. - P1050-1060. - Bibliogr. : p. 1060 (13 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
3-SUBSTITUTED 6-PHENYL-1,2,4-TRIAZINE 4-OXIDES -- AROMATIC NUCLEOPHILES -- AUTOAROMATIZATION -- KINETIC REGIOSELECTIVITY -- THERMODYNAMIC REGIOSELECTIVITY

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10.
Инвентарный номер: нет.
   
   T 82

   
    Transformations of 1,2,4-triazine 4-oxides to pyridazines and triazolo[4,3-b]pyridazines by the action of substituted acetonitriles [Electronic resource] / D. N. Kozhevnikov, N. N. Kataeva, V. L. Rusinov, O. N. Chupakhin, G. G. Aleksandrov // Mendeleev Communications. - 2005. - Vol. 15, № 1. - P31-33
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Two types of ring transformations of 1,2,4-triazine to pyridazine were found: 1,2,4-triazine 4-oxides bearing ortho-halophenyl in the 3-position react with phenylacetonitrile under basic conditions to form 3-(2-oxyphenyl)[1,2,4]triazolo[4,3-b]pyridazines, while the reactions of 3,6-diaryl-1,2,4-triazin 4-oxides with sodium ethyl cyanoacetate afforded 2-aminopyridazines.

\\\\Expert2\\nbo\\Mendeleev Communications\\2005, v.15, p.31.pdf
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11.
Инвентарный номер: нет.
   
   T 44

   
    Theoretical Study of the Formation of Benzofurotriazines by Reaction of 3-Substituted 1,2,4-Triazines and Fused Azolo[1,2,4]triazines with Resorcinol [Electronic resource] / E. V. Bartashevich, V. A. Potemkin, D. G. Beresnev, G. L. Rusinov, O. N. Chupakhin // Russian Journal of General Chemistry. - 2003. - Vol. 73, № 5. - P816-820
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: 3-Methylthio- and 3-amino-1,2,4-triazines react with resorcinol to give benzofurotetrahydrotriazine derivatives, while reactions of [1,2,4]triazolo[4,3-b]- and tetrazolo[1,5-b][1,2,4]triazines with resorcinol stop at the stage of resorcinol addition. According to the results of quantum-chemical calculations, the possibility for further cyclization of the resorcinol addition products is determined by the following factors: tautomeric and conformational states of the compounds, which ensure spatial proximity of the hydroxy group to the cyclization center (C6); charges on the C6 atom of the triazine ring and oxygen atom of the resorcinol fragment in the conformation most favorable for cyclization; and energies of the highest occupied and lowest unoccupied molecular orbitals of the resorcinol addition products.

\\\\Expert2\\nbo\\Russian Journal of General Chemistry\\2003, V. 73, N 5, p.816.pdf
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12.
Инвентарный номер: нет.
   
   T 44

   
    The synthesis of labeled azolo-1,2,4-triazines with 15N isotope in the azole and azine rings [Text] / T. S. Shestakova, S. L. Deev, E. N. Ulomskii, V. L. Rusinov, M. I. Kodess, O. N. Chupakhin // ARKIVOC. - 2009. - Vol. 2009, № 4. - P69-78
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Efficient methods for the incorporation of 15N-isotope into 1,2,4-triazolo[5,1-c][1,2,4]triazines have been developed. The label can be selectively introduced into either the azolo or azine fragment of the molecule

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13.
Инвентарный номер: нет.
   
   T 44

   
    The first example of direct heterylation of calixpyrrole [Electronic resource] / O. N. Chupakhin, G. L. Rusinov, N. A. Itsikson, D. G. Beresnev // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2004. - Vol. 53, № 6. - P1351-1352
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: 1,2,4-Triazine derivatives react with calixpyrrole to give stable nucleophilic addition products.

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2004, 53 (6), 1351.pdf
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14.
Инвентарный номер: нет.
   
   T 19

   
    Tandem AN—AN reactions in the synthesis of 1H-pyrrolo[3,2-e]-1,2,4-triazines and products of their oxidative transformations [Electronic resource] / V. N. Charushin, N. N. Mochul`skaya, A. A. Andreiko, M. I. Kodess, I. A. Litvinov, O. G. Sinyashin, O. N. Chupakhin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2003. - Vol. 52, № 8. - P1740-1749
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The reactions of 3-aryl-1,2,4-triazines with -aminovinyl ketones or ethyl -aminocrotonates in acetic anhydride at room temperature afforded cyclic products of the tandem nucleophilic addition, viz., 3a,4,7,7a-tetrahydro-1H-pyrrolo[3,2-e]-1,2,4-triazines, in good yields. Under oxidative conditions, the latter compounds underwent the pyrrole-ring opening under the action of potassium permanganate to form the corresponding triazinones and were transformed into thriazolyl-substituted pyridines under the action of selenious acid

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2003, 52 (8), 1740.pdf
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15.
Инвентарный номер: нет.
   
   T 19

   
    Tandem A(N)-A(N) reactions in the synthesis of tetrahydrothiazolo[4,5-e][1,2,4]triazines / N. N. Mochul`skaya, P. A. Slepukhin, V. N. Charushin, M. I. Kodess // Mendeleev Communications. - 2016. - Vol. 26, № 5. - С. 375-377. - Bibliogr. : p. 377 (14 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
TRIAZINES -- ACETIC ANHYDRIDE -- SYNTHESIS
Аннотация: Reaction of 3-aryl-1,2,4-triazines with S,N-dinucleophilic N-(het)arylthioureas in acetic anhydride at room temperature affords the cyclization products, tetrahydrothiazolo[4,5-e]-[1,2,4]triazines in good yields. The structure of the heterocyclic system thus formed was confirmed by X-ray diffraction analysis.

\\\\expert2\\NBO\\Mendeleev Communications\\2016, v.26, p. 375-377.pdf
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16.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis of unsymmetric 6,6 '-diaryl-2,2 '-bipyridines using a 1,2,4-triazine methodology [Electronic resource] / D. S. Kopchuk, N. V. Chepchugov, G. A. Kim, G. V. Zyryanov, I. S. Kovalev, V. L. Rusinov, O. N. Chupakhin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2015. - Vol. 64, № 3. - С. 695-698. - Bibliogr. : p. 698 (39 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
1,2,4-TRIAZINES -- 6,6 '-DIARYL-2,2 '-BIPYRIDINES -- DIELS-ALDER REACTIONS
Аннотация: New unsymmetric 6,6'-diaryl-2,2'-bipyridines were synthesized in high yields using a "1,2,4-triazine" methodology. Their photophysical properties were studied.

\\\\expert2\\nbo\\Russian Chemical Bulletin\\2015, 64 (3), 695-698.pdf
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17.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis of pyridines from 1,2,4-triazines under high pressure [Electronic resource] / M. M. Krayushkin, I. P. Sedishev, V. N. Yarovenko, I. V. Zavarzin, S. K. Kotovskaya, D. N. Kozhevnikov, V. N. Charushin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2008. - Vol. 44, № 3. - P407-411
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A procedure has been proposed for the synthesis of pyridines from 1,2,4-triazine derivatives and bicyclo[2.2.1]hepta-2,5-diene under high pressure in the presence of lithium perchlorate as catalyst

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2008, 44 (3), 407.pdf
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18.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis of novel 3-(pyridin-4-yl)-1,2,4-triazines, their analogs and study of the activity against vaccinia virus / O. V. Shabunina, Y. K. Shtaitz, D. S. Kopchuk [et al.] // Chemistry of Heterocyclic Compounds. - 2021. - Vol. 57, № 4. - P462–466
УДК
Г
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
1,2,4-TRIAZINES -- ANTIVIRAL ACTIVITY -- IPSO SUBSTITUTION -- NUCLEOPHILIC HYDROGEN SUBSTITUTION
Аннотация: Using atom-economical approaches, new representatives of 3-(pyridin-4-yl)-1,2,4-triazines and their 4-nitrophenyl analogs were obtained, and their activity in relation to the vaccinia virus was studied. The new compounds have shown promising characteristics, in particular, in comparison to the antiviral drug Cidofovir.

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19.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis of new meso-substituted heterocyclic calix[4]arenes via SN H approach [Electronic resource] / M. V. Varaksin, I. A. Utepova, G. N. Chupakhin, V. N. Charushin // Macroheterocycles . - 2013. - Vol.6, №4. - С. 308-314. - Bibliogr. : p. 313-314 (42 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
AZINES -- C-C COUPLING -- CALIX[4]ARENES
Аннотация: An effective synthetic approach to heterocyclic derivatives of meso-substituted calixarenes has been suggested by using the SN H methodology based on the direct, non-catalyzed by transition metals, C-C coupling of 1,2,4-triazines with the lithium salts of tetramethoxycalix[4]arenes

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20.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis of cyclometallated platinum complexes with substituted thienylpyridines and detailed characterization of their luminescence properties [Text] / D. N. Kozhevnikov, V. N. Kozhevnikov, M. M. Ustinova, A. Santoro, D. W. Bruce, B. Koenig, T. Fisher, M. Zabel, H. Yersin // Inorganic Chemistry . - 2009. - Vol. 48, № 9. - P4179-4189
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Synthesis of various derivatives of 2-(2-thienyl)pyridine via substituted 3-thienyl-1,2,4-triazines is reported. The final step of the synthesis is a transformation of the triazine ring to pyridine in an aza-Diels-Alder-type reaction. The resulting 5-aryl-2-(2-thienyl)pyridines (HL1-HL4) and 5-aryl-2-(2-thienyl)cyclopenteno[c]pyridines (HL5-HL8) (with aryl = phenyl, 4-methoxyphenyl, 2-naphtyl, and 2-thienyl) were used as cyclometallating ligands to prepare a series of eight luminescent platinum complexes of the type [Pt(L)(acac)] (L = cyclometallating ligand, acac = acetylacetonato). X-ray single crystal structures of three complexes of that series, [Pt(L5)(acac)] = [Pt(5-phenyl- 2-(2-thienyl)cyclopenteno[c]pyridine)(acac)], [Pt(L6)(acac)] = [Pt(5-(4-methoxy)-2-(2-thienyl)cyclopenteno[c]py- ridine)(acac)], and [Pt(L7)(acac)] = [Pt(5-(2-naphtyl)-2-(2-thienyl) cyclopenteno[c]pyridine)(acac)] were determined. Photoluminescence and electronic absorption spectra of the new [Pt(L)(acac)] complexes are reported. For two representative compounds of that series, [Pt(L4)(acac)] and [Pt(L5)(acac)], a detailed photophysical characterization based on highly resolved emission and excitation spectra, as well as on emission decay properties, was carried out. The studies down to low temperature (T = 1.2 K) and up to high magnetic fields (6 = 10 T) allowed us to characterize the three individual substates of the emitting triplet state. In particular, it is shown that the lowest triplet states of [Pt(L4)(acac)] and [Pt(L5)(acac)] are largely ligand-centered (LC) of3jtjt*character, which experience only weak spin- orbit couplings to higher lying singlet states

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