F 62 Five-membered 2,3-dioxo heterocycles: LXXXV. Synthesis of methyl 1-aryl-4,5-dioxo-3-(1-oxo-3-phenylprop-2-en-1-yl)-4,5-dihydro-1H-pyrrole-2-carboxylates and their reaction with 3-amino-5,5-dimethylcyclohex-2-en-1-ones. Molecular and crystalline structure of 4′-hydroxy-1′-(4-methoxyphenyl)-6,6-dimethyl-3′-(1-oxo-3-phenylprop-2-en-1-yl)-1-phenyl-6,7-dihydrospiro[indole-3,2′-pyrrole]-2,4,5′(1H,1′H,5H)-trione / P. S. Silaichev, V. O. Filimonov, P. A. Slepukhin, A. N. Maslivets // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2012. - Vol.48, №4. - С. 561-565 Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): SYNTHESIS -- CARBOXYLATES -- DIMETHYLCYCLOHEX Аннотация: Treatment of methyl 2-arylamino-4-oxo-6-phenylhexa-2,5-dienoates with oxalyl chloride gave methyl 1-aryl-4,5-dioxo-3-(1-oxo-3-phenylprop-2-en-1-yl)-4,5-dihydro-1H-pyrrole-2-carboxylates which reacted with 3-benzylamino- and 3-arylamino-5,5-dimethylcyclohex-2-en-1-ones to produce 1′-aryl-1-benzyl- and 1,1′-diaryl-4′-hydroxy-6,6-dimethyl-3′-(1-oxo-3-phenylprop-2-en-1-yl)-6,7-dihydrospiro[indole-3,2′-pyrrole]-2,4,5′(1H,1′H,5H)-triones \\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2012, 48 (4), 561-565.pdf |