Synthesis and structure of 2-(4-oxo-3H-quinazolin-2-yl)-1,3-tropolone

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• 作者：Yu. A. Sayapin ; E. A. Gusakov ; A. A. Kolodina…
• 关键词：quinazolinones ; o ; quinones ; 1 ; 3 ; tropolones ; intramolecular hydrogen bond ; X ; ray diffraction study
• 刊名：Russian Chemical Bulletin
• 出版年：2014
• 出版时间：June 2014
• 年：2014
• 卷：63
• 期：6
• 页码：1364-1372
• 全文大小：505 KB
• 参考文献：1. Minkin, V I, Aldoshin, S M, Komissarov, V N, Dorogan, I V, Sayapin, Yu A, Tkachev, V V, Starikov, A G (2006) Russ. Chem. Bull. (Int. Ed.) 55: pp. 2032 external" href="http://dx.doi.org/10.1007/s11172-006-0547-x" target="_blank" title="It opens in new window">CrossRef
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• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Chemistry
  Organic Chemistry
  Inorganic Chemistry
  Russian Library of Science
  
• 出版者：Springer New York
• ISSN：1573-9171

文摘

The acid-catalyzed condensation of 2-methyl-4-oxo-3H-quinazolin with 3,5-di(tert-butyl)-1,2-benzoquinone affords 5,7-di(tert-butyl)-2-(4-oxo-3H-quinazolin-2-yl)-1,3-tropolone and 2-(3,5-di(tert-butyl)-2-hydroxybenzoyl)-3H-quinazolin-4-one. The molecular structures of 5,7-di(tert-butyl)-2-(4-oxo-3H-quinazolin-2-yl)-1,3-tropolone and 2-(3,5-di(tert-butyl)-2-hydroxybenzoyl)-3H-quinazolin-4-one were studied by X-ray diffraction, two-dimensional NMR spectroscopy, and the density functional theory (PBE0/6-311+G**).