Five-membered 2,3-dioxo heterocycles: LVII. Recyclization of 3-pivaloylpyrrolo[1,2-a]quinoxaline-1,2,4(5H)-triones by the action of o-phenylenediamine. Crystalline and molecular structure of 3-[3,3-dimethyl-2-oxo-1-(3-oxo-3,4-dihydroquinoxalin-2-yl)butyl]-1-phenylquinoxalin-2(1H)-one

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作者
K. S. Bozdyreva
Z. G. Aliev
A. N. Maslivets
机构
[1] Perm State University,Institute of Chemical Physics Problems
[2] Russian Academy of Sciences,undefined
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关键词
Isatin; Quinoxaline; Oxalyl Chloride; Anhydrous Benzene; Crystallization Water Molecule;
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摘要
3-[(Z)-3,3-Dimethyl-2-oxobutylidene]-3,4-dihydroquinoxalin-2(1H)-one and its 1-phenyl-substituted analog reacted with oxalyl chloride to give the corresponding 3-pivaloylpyrrolo[1,2-a]quinoxaline-1,2,4(5H)-triones. Reactions of the latter with o-phenylenediamine led to the formation of 3,3′-(3,3-dimethyl-2-oxobutane-1,1-diyl)di[quinoxalin-2(1H)-ones].
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