Journal
TETRAHEDRON
Volume 61, Issue 21, Pages 4965-4970Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2005.03.059
Keywords
Mannich-type reaction; perfluorinated rare earth metal salts; perfluorinated alkali metal salt; (1-methoxy-2-methylpropenyloxy)tri-methylsilane; perfluorodecalin (C10F18 cis and trans-mixture); fluorous biphase system
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In this paper, we describe a useful Mannich-type reaction in fluorous phase. By use of perfluorodecalin (C,()F,8, cis- and trans-mixture) as a fluorous solvent and perfluorinated rare earth metal salts such as Sc(OSO2C8F17)(3) or Yb(OSO2C8F17)(3) (2.0 mol%) as a catalyst, the Mannich-type reaction of arylaldehydes with aromatic amines and (1-methoxy-2-methylpropenyloxy)trimethylsilane can be performed for many times without reloading the catalyst and the fluorous solvent. (c) 2005 Elsevier Ltd. All rights reserved.
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