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Synthesis 1999; 1999(3): 429-434
DOI: 10.1055/s-1999-3424
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Enantioselective Catalyses; 126: Axially Chiral N,N-Ligands with Binaphthyl/Bipyridyl Structure

H. Brunner* , G. Olschewski, B. Nuber
  • *Institut für Anorganische Chemie, Universität Regensburg, D-93040 Regensburg, Germany; Fax +49(9 41)9 43 34 39; E-mail: henri.brunner@chemie.uni-regensburg.de
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Publication Date:
31 December 1999 (online)

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N,N-Ligands with combined binaphthyl/bipyridyl structure were synthesized by palladium-catalyzed coupling of 1-naphthylboronic acids with 1-halogenoisoquinoline derivates and with 4-bromo-2-(2-pyridyl)naphtho[2,3-d]-1,3-oxazole. Racemic 1-(2-methoxy-1-naphthyl)-3-(2-pyridyl)isoquinoline was resolved via diastereomeric salt formation with (-)-3-bromocamphor-8-sulfonic acid and the absolute configuration was determined by X-ray analysis.

binaphthyl - bipyridyl - Suzuki coupling - axial chirality - absolute configuration

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