Synthetic Communications

An International Journal for Rapid Communication of Synthetic Organic Chemistry

Volume 42, 2012 - Issue 8

184

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Original Articles

Synthesis of 8-Aroyl-9-hydroxy-7,9,11-triaryl-3-oxo(or thioxo)-2,4-diazaspiro[5.5]undecane-1,5-diones

S. Mosaddeq Ahmed Department of Chemistry, University of Dhaka, Dhaka, Bangladesh

M. Giasuddin Ahmed Department of Chemistry, University of Dhaka, Dhaka, BangladeshCorrespondence[email protected]

Syeda Asghari Ahmed Department of Chemistry, University of Dhaka, Dhaka, Bangladesh

U. K. R. Romman Department of Chemistry, University of Dhaka, Dhaka, Bangladesh

Tazin Sultana Department of Chemistry, University of Dhaka, Dhaka, Bangladesh

M. Mahmun Hossain Department of Chemistry, University of Wisconsin–Milwaukee, Milwaukee, Wisconsin, USA

Abul Hussam Department of Chemistry, George Mason University, Fairfax, Virginia, USA

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Abstract

A number of 8-aroyl-9-hydroxy-7,9,11-triaryl-3-oxo(or thioxo)-2,4-diazaspiro[5.5]undecane-1,5-diones 3a–g were synthesized from the reaction of 1,3-diaryl-2-propen-1-ones 2a–d with barbituric acid 1a and 2-thiobarbituric acid 1b in 50% aqueous ethanol under refluxing conditions without using any catalyst. The structures of the compounds were confirmed by ultraviolet, infrared, ¹H and ¹³C NMR, mass, and elemental analysis.

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Notes

*δ values of 2-H and 4-H are interexchangeable.

*δ values of 1-C and 5-C are interexchangeable.

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Synthesis of 8-Aroyl-9-hydroxy-7,9,11-triaryl-3-oxo(or thioxo)-2,4-diazaspiro[5.5]undecane-1,5-diones

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Synthesis of 8-Aroyl-9-hydroxy-7,9,11-triaryl-3-oxo(or thioxo)-2,4-diazaspiro[5.5]undecane-1,5-diones

Abstract

GRAPHICAL ABSTRACT

Notes

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