Synthetic Approaches to New Diastereomerically Pure Ferrocenyl Trisphosphines Combining Phosphorus, Planar, and Carbon Chirality
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Date
2004-02
Publication Type
Journal Article
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yes
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Abstract
Two new diastereomeric ferrocenyl triphosphine ligands P3Chir 1 and 2 have been conveniently synthesized through a multi-step reaction sequence starting from (R)-(S)-diphenylphosphinoferrocenylamine [(R)-(S)-PPFA]. Chromatographic resolution of the diborane protected-phosphine oxide derivatives, followed by a stereoconservative reduction/deboronation step, gave the pure triphosphines P3Chir in which the planar chirality of the ferrocenyl unit is combined with phosphorus and carbon stereocenters in an unprecedented molecular assembly.
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published
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Journal / series
Volume
2004 (3)
Pages / Article No.
345 - 352
Publisher
Thieme
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Subject
Chiral; Ferrocenes; Phosphines; Tridentate ligands; Chromatographic resolution
Organisational unit
03363 - Togni, Antonio (emeritus) / Togni, Antonio (emeritus)