4.5 Article

o-Benzenedisulfonimide as a Reusable Bronsted Acid Catalyst for Ritter-Type Reactions

Journal

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2009, Issue 3, Pages 430-436

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.200800931

Keywords

Homogeneous catalysis; Amides; Nitriles; Ritter reaction; Bronsted acid

Funding

  1. Ministero dell'Universita a della Ricerca
  2. University of Torino

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Reactions between various benzyl alcohols or tert-butyl alcohol and nitriles were carried out in the presence of catalytic amounts (usually 10-20 mol-%) of o-benzenedisulfonimide as a Bronsted acid catalyst; the reaction conditions were mild and the yields of amides were good. The catalyst was easily recovered and purified, ready to be used in further reactions, with economic and ecological advantages. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)

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