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One-pot synthesis of pyrano[4,3-b]quinolinones from 2-alkynyl-3-formylquinolines via oxidative 6-endo-dig ring closure

✍ Scribed by Priyabrata Roy; Binay K. Ghorai

Book ID: 113930257
Publisher: Elsevier Science
Year: 2012
Tongue: French
Weight: 491 KB
Volume: 53
Category: Article
ISSN: 0040-4039
DOI: 10.1016/j.tetlet.2011.11.016

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The yields indicated were determined by GC analysis and, therefore, reflect ratios of products only. 'H-NMR from 1 :1 mixture of 10 and 9. Configuration at C(5) unknown. 'H-NMR from 3:l mixture of 14 and 13. Configuration at C(2) unknown