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Synthesis 2011(4): 571-576
DOI: 10.1055/s-0030-1258398
DOI: 10.1055/s-0030-1258398
PAPER
© Georg Thieme Verlag
Stuttgart ˙ New York
Efficient Cesium Carbonate Promoted N-Alkylations of Aromatic Cyclic Imides Under Microwave Irradiation
Weitere Informationen
Received
22 September 2010
Publikationsdatum:
11. Januar 2011 (online)
Publikationsverlauf
Publikationsdatum:
11. Januar 2011 (online)
Abstract
We present here an efficient and simple method for the N-alkylation of aromatic cyclic imides employing cesium carbonate as the base in anhydrous N,N-dimethylformamide at low temperatures (20-70 ˚C). The employment of microwave irradiation presents noteworthy advantages over conventional heating. The method is compatible with base labile functional groups.
Key words
cesium carbonate - imides - N-alkylation - microwave irradiation - nitrogen heterocycles
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