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Synfacts 2009(2): 0224-0224
DOI: 10.1055/s-0028-1087624
DOI: 10.1055/s-0028-1087624
Polymer-Supported Synthesis
© Georg Thieme Verlag
Stuttgart ˙ New York
Synthesis of 1,3-Dinitroalkanes with Immobilized Amines
K. Motokura, M. Tada, Y. Iwasawa*
The University of Tokyo, Japan
Weitere Informationen
Publikationsverlauf
Publikationsdatum:
22. Januar 2009 (online)
![](https://www.thieme-connect.de/media/synfacts/200902/lookinside/thumbnails/10.1055-s-0028-1087624-1.jpg)
Significance
Primary and tertiary amines were immobilized on the surface of the silica-alumina (SA) support by silane-coupling reactions to give the silica-alumina-supported double-amine catalyst (SA-NH2-NEt2). The reaction of arylaldehydes 1 and nitromethane was carried out with SA-NH2-NEt2 to give the corresponding 1,3-dinitroalkanes 2 in 48-93% yield (11 examples).