F 62 Five-membered 2,3-dioxo heterocycles: LXXVIII. Acylation of fischer's base with aroylketenes. Crystalline and molecular structure of (1E, 3Z)-4-(4-chlorophenyl)-4-hydroxy-1-(1,3,3-trimethyl-2,3-dihydro-1H-indol-2-ylidene)but-3-en-2-one [Electronic resource] / V. V. Konovalova, Yu. V. Shklyaev, P. A. Slepukhin, A. N. Maslivets // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2011. - Vol. 47, № 7. - P1062-1065. - Bibliogr. : p. 1065 (11 ref.) Рубрики: ХИМИЧЕСКИЕ НАУКИ Аннотация: Aroylketenes generated by thermolysis of 6-aryl-2,2-dimethyl-4H-1,3-dioxin-4-ones reacted with 1,3,3-trimethyl-2-methylidene-1,3-dihydro-2H-indole (Fischer's base) to produce (1E,3Z)-4-aryl-4-hydroxy-1-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)but-3-en-2-ones. The crystalline and molecular structures of (1E,3Z)-4-(4-chlorophenyl)-4-hydroxy-1-(1,3,3-trimethyl-2,3-dihydro-1H-indol-2-ylidene)but-3-en-2-one were determined by X-ray analysis \\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2011, 47 (7), 1062.pdf |
F 76 Formation of alkyl 1-methyl-3,9-dioxo-2-phenyl-2,3,4,9-tetrahydro-1H-pyrrolo[3,4-b]quinoline-1-carboxylates by thermolysis of alkyl 1,5-diaryl-4-methyl-2,3,6-trioxo-1,2,3,4,5,6-hexahydropyrrolo[3,4-b]pyrrole-4-carboxylates / V. L. Gein, R. O. Dyrenkov, N. A. Kornienko, M. I. Vakhrin, P. A. Slepukhin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2012. - Vol.48, №4. - С. 616-617 Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): CARBOXYLATES -- THERMOLYSIS -- QUINOLINE \\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2012, 48 (4), 616-617.pdf |
D 62 Direct heterocyclization of [3,4-dihydroisoquinolin-1(2H)-ylidene]acetamides with aroylketenes. Crystal and molecular structure of (Z)-3-(4a-methyl-1,3,4,4a,5,10bhexahydrophenanthridin 6(2H)-ylidene)-4-phenylpyridine-2,6(1H,3H)-dione [Electronic resource] / V. V. Konovalova, Yu. V. Shklyaev, P. A. Slepukhin, A. N. Maslivets // ARKIVOC. - 2013. - iv. - С. 15-20. - Bibliogr. : p. 20 (11 ref.) Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): AROYLKETENE -- DIOXINONE -- HETERO CYCLIZATION Аннотация: Aroylketenes generated by thermolysis of 6-aryl-2,2-dimethyl-4H-1,3-dioxin-4-ones react with (Z)-2-[3,3-dimethyl-3,4-dihydroisoquinolin-1(2H)-ylidene]acetamides and (Z)-2-[4amethyl- 1,3,4,4a,5,10b-hexahydrophenanthridin-6(2H)-ylidene]acetamide to produce (Z)-4- aryl-3-(3,3-dimethyl-3,4-dihydroisoquinolin-1(2H)-ylidene)pyridine-2,6(1H,3H)-diones and (Z)-3-(4a-methyl-1,3,4,4a,5,10b-hexahydrophenanthridin-6(2H)-ylidene)-4-phenylpyridine- 2,6(1H,3H)-dione. The crystal and molecular structure of (Z)-3-(4a-methyl-1,3,4,4a,5,10bhexahydrophenanthridin- 6(2H)-ylidene)-4-phenylpyridine-2,6(1H,3H)-dione was confirmed by X-ray analysis \\\\expert2\\NBO\\ARKIVOC\\2013, p.15-20.pdf |
T 44 Thermo-oxidative degradation of hydroxypolychlorobiphenyls / T. I. Gorbunova, M. G. Pervova, A. V. Maiorova [et al.] // Russian Journal of General Chemistry. - 2021. - Vol. 91, № 8. - P1540-1545 Рубрики: ХИМИЧЕСКИЕ НАУКИ Аннотация: The degradation of hydroxy derivatives synthesized from individual di-, tri-, tetra-, and pentachlorinated biphenyls as typical representatives of commercial mixtures of polychlorinated biphenyls has been studied by means of synchronous thermal analysis. Exhaustive thermal degradation of the substrate, characterized by the absence of evaporation process and lower energy consumption as compared to thermolysis of technical mixtures of polychlorinated biphenyls as well as the mixtures of their methoxy and hydroxy derivatives, has been established. |