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Synthesis 2008(3): 452-258
DOI: 10.1055/s-2008-1032038
DOI: 10.1055/s-2008-1032038
PAPER
© Georg Thieme Verlag Stuttgart · New York
Aqueous versus Neat Reaction Conditions: The Microwave-Assisted, Selective Conversion of a Fused Anhydride Ring with Amines in the Presence of a Keto Group
Further Information
Received
23 July 2007
Publication Date:
10 January 2008 (online)
Publication History
Publication Date:
10 January 2008 (online)

Abstract
We describe the transformation of fused succinic anhydride derivatives of the bicyclo[2.2.2]oct-2-ene system with various amines under microwave-irradiation conditions. In aqueous suspensions, the reaction of an acetyl-containing derivative yielded chemoselectively succinimide derivatives with the acetyl group remaining unchanged. Conversely, the application of neat reaction conditions with a minor amount of a liquid additive (toluene) yielded succinimide derivatives with the acetyl moiety transformed into an imine group.
Key words
imides - imines - chemoselectivity - green chemistry - microwave synthesis
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