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Synthesis 1992; 1992(5): 461-462
DOI: 10.1055/s-1992-26136
short paper
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Synthesis of 2-Alkyl-1,4-naphthoquinones by Alkylboration

Bernd Peter Ernst* , Hartmut Laatsch
  • *Institut für Organische Chemie der Universität Göttingen, Tammannstraße 2, D-3400 Göttingen, Germany
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Publication Date:
17 September 2002 (online)

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By reaction of 1,4-naphthoquinone (1) and trialkylboranes in the presence of oxygen and oxidative work-up, sterically hindered 2-alkyl-1,4-naphthoquinones and, on addition of magnesium bromide, 2,3-bisalkyl-1,4-naphthoquinones are obtained.