Two precatalysts for application in asymmetric homogeneous hydrogenation. Issue 10 (4th September 2014)

• Record Type: Journal Article
• Authors: Meißner, Antje; Pribbenow, Cornelia; Drexler, Hans‐Joachim; Heller, Detlef
• Is Part Of: Acta crystallographica. Volume 70:Issue 10(2014:Oct.)
• Page Start: 941
• Page End: 944
• Publication Date: 2014-09-04
• Subjects: Crystallography -- Periodicals; Crystals -- Periodicals; 548.3
• DOI: 10.1107/S205322961401910X
• Languages: English
• ISSNs: 2053-2296

Abstract

<abstract abstract-type="main" xml:lang="en"> <title> <x xml:space="preserve">Abstract</x> </title> <p>The title compounds, [(1<italic>R</italic>, 1′<italic>R</italic>, 2<italic>R</italic>, 2′<italic>R</italic>)‐2, 2′‐bis(diphenylphosphanyl)‐1, 1′‐dicyclopentane](η⁴‐norbornadiene)rhodium(I) tetrafluoridoborate, [Rh(C₃₄H₃₆P₂)(C₇H₈)]BF₄, (I), and [(1<italic>R</italic>, 1′<italic>R</italic>, 2<italic>R</italic>, 2′<italic>R</italic>)‐2, 2′‐bis(diphenylphosphanyl)‐1, 1′‐dicyclopentane][η⁴‐(<italic>Z</italic>, <italic>Z</italic>)‐cycloocta‐1, 5‐diene]rhodium(I) tetrafluoridoborate dichloromethane monosolvate, [Rh(C₃₄H₃₆P₂)(C₈H₁₂)]BF₄·CH₂Cl₂, (II), are applied as precatalysts in asymmetric homogeneous hydrogenation, <italic>e.g.</italic> in the reduction of dehydroamino acids, affording excellent enantiomeric excesses [Zhu, Cao, Jiang &amp; Zhang (1997). <italic>J. Am. Chem. Soc.</italic><bold>119</bold>, 1799–1800].</p> </abstract>