4.4 Article

Fast racemization and dynamic kinetic resolution of primary benzyl amines

Journal

TETRAHEDRON LETTERS
Volume 51, Issue 42, Pages 5581-5584

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.08.050

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Funding

  1. National Research Foundation of Korea [2009-0087801]
  2. POSCO
  3. Korean Government
  4. National Research Foundation of Korea [2009-0087801] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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We prepared a Pd nanocatalyst (average diameter of Pd nanoparticles = 1.73 nm) displaying a remarkable activity for the racemization and dynamic kinetic resolution (DKR) of 1-methylbenzylamine. It was eight times more active than the previous best. The DKR of 1-methylbenzylamine with the Pd nanocatalyst (2 mol %) in the presence of a thermostable lipase (Novozym 435) was complete in 6 h at 70 degrees C. The DKRs of other benzyl amines also proceeded to completion in 6 h under similar conditions except the amount of Pd nanocatalyst. (C) 2010 Elsevier Ltd. All rights reserved.

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