Title of article
Novel ring transformation of mesoionic oxazoles into 2(1H)-pyrazinones by the reaction with TosMIC
Author/Authors
Saijo، نويسنده , , Ryosuke and Kurihara، نويسنده , , Ken-ichi and Akira، نويسنده , , Kazuki and Uno، نويسنده , , Hidemitsu and Kawase، نويسنده , , Masami، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2013
Pages
4
From page
4418
To page
4421
Abstract
Treatment of mesoionic 1,3-oxazolium-5-olates with TosMIC in the presence of a base causes a novel ring transformation affording 2(1H)-pyrazinones in moderate yields. The origin of C-2 carbonyl oxygen in the product was elucidated to be molecular oxygen, based on 18O-labeling experiments.
Keywords
Mesoion , TosMIC , 2-Pyrazinone
Journal title
Tetrahedron Letters
Serial Year
2013
Journal title
Tetrahedron Letters
Record number
1885217
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