Synthesis of 7,11-diaryl-2,4-diazaspiro[5,5]undecane-3-oxo(or thioxo)-1,5,9-triones, Part I

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Title:	Synthesis of 7,11-diaryl-2,4-diazaspiro[5,5]undecane-3-oxo(or thioxo)-1,5,9-triones, Part I
Authors:	Ahmed, M. Giasuddin Ahmed, S. Asghari Ahmed, S. Mosaddeq Hossain, M. Mahmun Hussam, Abul
Keywords:	Spiro compounds, barbituric acid, 2-thiobarbituric acid, Michael addition
Issue Date:	Oct-2005
Publisher:	SAGE Publishing (The Royal Society of Chemistry)
Series/Report no.:	2005;10
Abstract:	Spiro compounds 7,11-diaryl-2,4-diazaspiro[5.5]undecane-1,3,5,9-tetraones 3a–e and 7,11-diaryl-3-thioxo-2,4-diazaspiro[5.5]undecane-1,5,9-triones 3f–j were prepared from the reaction of 1,5-diaryl-1,4-pentadien-3-ones 2a–f with barbituric acid (1a) and 2-thiobarbituric acid (1b). The structures of the products were confirmed by UV, IR, 1H and 13C NMR, MS and elemental analysis.
URI:	http://dspace.aiub.edu:8080/jspui/handle/123456789/142
ISSN:	0308-2342
Appears in Collections:	Publication: Journal

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