☆ 4.4 Article

Regioselective synthesis of spiro-cyclopropanated 1-aminopyrrol-2-ones by Bi(OTf)3-catalyzed one-pot 'Mukaiyama-Michael addition/cyclization/ring-contraction' reactions of 1,2-bis(trimethylsilyloxy)cyclobutene with 1,2-diaza-1,3-butadienes

TETRAHEDRON (2009)

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Journal

TETRAHEDRON
Volume 65, Issue 28, Pages 5456-5461

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2009.04.018

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Categories

Chemistry, Organic

Funding

  1. Ministero dell'Universita, dell'istruzione e della Ricerca (MIUR)-Rome
  2. Universita degli Studi di Urbino 'Carlo Bo'
  3. State of Mecklenburg-Vorpommern

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Unknown spiro-cyclopropanated 1-aminopyrrol-2-ones are regioselectively prepared in high yields by Bi(OTf)(3)-catalyzed one-pot 'Mukaiyama-Michael addition/cyclization/ring-contraction' reactions of 1,2-bis(trimethylsilyloxy)cyclobutene with 1,2-diaza-1,3-butadienes at room temperature. (C) 2009 Elsevier Ltd. All rights reserved.

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