S 78 Spiroheterocyclization of methyl 1-Aryl-3-cinnamoyl-4,5-dioxo-4,5-dihydro- 1H-pyrrole-2-carboxylates by the action of 3-(Arylamino)-1H-inden-1-ones [Электронный ресурс] / P. S. Silaichev, V. O. Filimonov, P. A. Slepukhin, A. N. Maslivets // Molecules. - 2012. - Vol.17, №12. - P13787-13794 Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): ENAMINES -- PYRROLE-2,3-DIONES -- SPIRO[INDENO[1,2-b]PYRROLE-3,2'-PYRROLES] Аннотация: Methyl 1-Aryl-3-cinnamoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates interact with 3-(arylamino)-1H-inden-1-ones to give the corresponding 1,1'-diaryl-3'- cinnamoyl-4'-hydroxy-1H-spiro[indeno[1,2-b]pyrrole-3,2'-pyrrole] -2,4,5'(1'H)-triones in good yields. |