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New synthetic methodology for construction of the 3,4-dihydroquinolin-2-one skeleton
Date
2013-01-01
Author
Dengiz, Çağatay
BALCI, METİN
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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We hereby report a new method for preparation of 3,4-dihydroquinolin-2(2H)-one starting from the methyl 2-(2-carboxyethyl)benzoic acid. The acid functionality, adjacent to the methylene, was regiospecifically converted to the desired methyl ester and the remaining acid functionality was transferred into acyl azide. Curtius rearrangement of acyl azide followed by trapping with aniline and alcohols provided the corresponding urea and urethane derivatives. Hydrolysis of methyl ester groups gave the acids. Ring closure in the presence of thionyl chloride resulted in the formation of the 3,4-dihydroquinolin-2(2H)-one skeleton.
Subject Keywords
Quinolinone
,
Dihydroquinolinone
,
Acyl azide
,
Curtius rearrangement
URI
https://hdl.handle.net/11511/37509
Journal
TURKISH JOURNAL OF CHEMISTRY
DOI
https://doi.org/10.3906/kim-1207-35
Collections
Department of Chemistry, Article
Citation Formats
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BibTeX
Ç. Dengiz and M. BALCI, “New synthetic methodology for construction of the 3,4-dihydroquinolin-2-one skeleton,”
TURKISH JOURNAL OF CHEMISTRY
, vol. 37, no. 2, pp. 220–227, 2013, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/37509.