4.4 Article

Synthesis and characterisation of a new helically chiral ruthenium complex

Journal

TETRAHEDRON LETTERS
Volume 52, Issue 5, Pages 572-575

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.11.104

Keywords

Helicenes; Phosphines; Heck reaction; Photocyclisation; Helical complexes

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A new helically chiral hexacyclic phosphine, containing one thiophene ring was prepared in good yield via a five-step sequence involving a palladium-catalysed Mizoroki-Heck coupling reaction and classical oxidative photocyclisation. A mononuclear air stable ruthenium complex of this phosphine was also prepared and characterised. (C) 2010 Elsevier Ltd. All rights reserved.

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