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Title: Studies on the conversion of ketones of heterocyclic spiro compounds having barbituric acid moieties into oxime derivatives
Authors: Rahman, Md. Mahbubur
Halim, Md. Ershad
Ahmed, S. Mosaddeq
Akhter, Kawsari
Romman, U. K. R.
Ahmed, M. Giasuddin
Keywords: Spiro compounds, oxime derivatives, barbituric acid, 2-thiobarbituric acid
Issue Date: Jan-2013
Publisher: BCSIR, Dhaka
Series/Report no.: 48(1);Page 7-12
Abstract: Five oxime derivatives 7,11-bis-(4-chlorophenyl)-3-thioxo-2,4-diazaspiro[5,5]undecane-1,5,9-trione-9-oxime (2a), 7,11-bis-(4-methoxyphenyl)-2,4-diazaspiro[5,5]undecane-1,3,5,9-tetraone-9-oxime (2b), 7,11-diphenyl-2,4-diazaspiro[5,5]undecane-1,3,5,9-tetraone-9-oxime (2c), 7,11-bis-(4-methoxyphenyl)-3-thioxo-2,4-diazaspiro[5,5]undecane-1,5,9-trione-9-oxime (2d), 7,11-diphenyl-3-thioxo-2,4-diazaspiro[5,5]undecane-1,5,9-trione-9-oxime (2e) were synthesized from the corresponding 7,11-diaryl-2,4-diazaspiro[5,5]undecane-3-oxo (or thioxo)-1,5,9-triones (1a-e) with hydroxylaminehydrogenchloride in presence of pyrimidine in absolute alcohol. The structures of the compounds 2a-e were confirmed by their UV, IR, 1H NMR, 13C NMR and mass spectral data and elemental analyses.
ISSN: 0304-9809
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