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 |