Title of article
Synthesis and metallation of 2-(pyridyl)benzoic acids and ethyl 2-(pyridyl)benzoates: a new route to azafluorenones
Author/Authors
Anne-Sophie Rebstock، نويسنده , , Florence Mongin، نويسنده , , François Trécourt، نويسنده , , Guy Queguiner، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2003
Pages
5
From page
4973
To page
4977
Abstract
The ring deprotonation of 2-(2- and 4-pyridyl)benzoic acids using lithium dialkylamides in THF at rt, and the in situ cyclization afforded 4- and 2-azafluorenones, respectively. 1-Azafluorenone was obtained from ethyl 2-(3-pyridyl)benzoate using a similar protocol.
Keywords
Pyridines , Carboxylic acids , Esters , metallation
Journal title
Tetrahedron
Serial Year
2003
Journal title
Tetrahedron
Record number
1087922
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