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“Figure Eight” Cyclooctapyrroles: Enantiomeric Separation and Determination of the Absolute Configuration of a Binuclear Metal Complex

✍ Scribed by Andreas Werner†; Martin Michels; Lars Zander; Johann Lex; Emanuel Vogel


Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
140 KB
Volume
38
Category
Article
ISSN
0044-8249

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## Abstract Boron turns out to be a stable stereogenic center in imine complexes of aryl and alkyl boronates. Diastereomerically pure complexes **7a**–**c** are obtained from chiral imine ligands **5a**,**b** that are derived from the amino alcohol (__R__)‐**4**. The configuration at the boron atom