F 62 Five-membered 2,3-dioxo heterocycles: LXXXIX. Reaction of methyl 1-aryl-3-cinnamoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with (E)-4-arylaminopent-3-en-2-ones. Crystalline and molecular structure of 9-acetyl-4-cinnamoyl-3-hydroxy-1-(4-methoxyphenyl)-8-methyl-7-phenyl-1,7-diazaspiro[4.4]nona-3,8-diene-2,6-dione / 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, №10. - С. 1329-1332 Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): HETEROCYCLES -- CARBOXYLATES -- CRYSTALLINE Аннотация: Methyl 1-aryl-3-cinnamoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates reacted with 4-benzylamino- and 4-arylaminopent-3-en-2-ones to give 1-aryl-7-benzyl- and 1,7-diaryl-9-acetyl-4-cinnamoyl-3-hydroxy-8-methyl-1,7-diazaspiro[4.4]nona-3,8-diene-2,6-diones. The crystalline and molecular structures of 9-acetyl-4-cinnamoyl-3-hydroxy-1-(4-methoxyphenyl)-8-methyl-7-phenyl-1,7-diazaspiro[4.4]nona-3,8-diene-2,6-dione were studied by X-ray analysis \\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2012, 48 (10), 1329-1332.pdf |