A Dramatic Effect of Aryloxo Ligands on the Titanium-Catalyzed Hydroamination of Alkynes

Vivek Khedkar, Annegret Tillack, and Matthias Beller*
Leibniz-Institut fr Organische Katalyse (IfOK) an der Universitt Rostock e.V., Buchbinderstrasse 5-6, D-18055 Rostock, Germany
Org. Lett., 2003, 5 (25), pp 4767–4770
DOI: 10.1021/ol035653+
Publication Date (Web): November 20, 2003
Copyright © 2003 American Chemical Society
*

In papers with more than one author, the asterisk indicates the name of the author to whom inquiries about the paper should be addressed.

, matthias.beller@ifok.uni-rostock.de

Abstract

Abstract Image

The aryloxotitanium complex 1 is a highly chemo- and regioselective catalyst for intermolecular hydroamination of terminal alkynes. Branched imines are obtained in good to excellent yield (up to 99%) with various primary aromatic and aliphatic amines.

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History

  • Published In Issue December 11, 2003
  • Received August 29, 2003

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