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Molecules 2012, 17(12), 13787-13794; doi:10.3390/molecules171213787
Article

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

1
,
1
,
2
 and
1,*
1 Department of Organic Chemistry, Perm State National Research University, Perm 614066, Russia 2 Ya. Postovskiy Institute of Organic Synthesis, Russian Academy of Science, Ural Branch, Yekaterinburg 620219, Russia
* Author to whom correspondence should be addressed.
Received: 19 October 2012 / Revised: 2 November 2012 / Accepted: 5 November 2012 / Published: 22 November 2012
(This article belongs to the Special Issue Spiro Compounds)
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Abstract

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.
Keywords: pyrrole-2,3-diones; enamines; spiro[indeno[1,2-b]pyrrole-3,2'-pyrroles] pyrrole-2,3-diones; enamines; spiro[indeno[1,2-b]pyrrole-3,2'-pyrroles]
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Silaichev, P.S.; Filimonov, V.O.; Slepukhin, P.A.; Maslivets, А.N. 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. Molecules 2012, 17, 13787-13794.

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