A new family of planar-chiral symmetric and unsymmetric salens based on the [2.2]paracyclophane skeleton

Planar-chiral ortho-hydroxy[2.2]paracyclophanyl ketones as well as ortho-hydroxy[2.2]paracyclophanyl aldehyde were employed as building blocks for the design of a new family of chiral salen type ligands in which the chiral environment can be organized by the planar chiral fragments of [2.2]paracyclo...

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Bibliographic Details
Published in:Tetrahedron: asymmetry 2003-05, Vol.14 (10), p.1375-1383
Main Authors: Danilova, Tat'yana I., Rozenberg, Valeria I., Vorontsov, Evgenii V., Starikova, Zoya A., Hopf, Henning
Format: Article
Language:English
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Summary:Planar-chiral ortho-hydroxy[2.2]paracyclophanyl ketones as well as ortho-hydroxy[2.2]paracyclophanyl aldehyde were employed as building blocks for the design of a new family of chiral salen type ligands in which the chiral environment can be organized by the planar chiral fragments of [2.2]paracyclophane and modified by introduction of the chiral diamine part. A new family of four different types of chiral salens was successfully synthesized using both direct and stepwise approaches. Graphic
ISSN:0957-4166
1362-511X
DOI:10.1016/S0957-4166(03)00254-4