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Synthesis 2000; 2000(9): 1320-1326
DOI: 10.1055/s-2000-6422
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Scope and Limitations of the Preparation of Aminophosphines R-NH(CH2CH2PPh2) and Aminodiphosphines R-N(CH2CH2PPh2)2 via Michael Addition of Amines to Vinylphosphines

Mohammed S. Rahman* , Jonathan W. Steed, King Kuok (Mimi) Hii
  • *Department of Chemistry, King's College London, Strand, London WC2R 2LS, United Kingdom; Fax + 44(0)20 78 48 28 10; E-mail: mimih@ch.kcl.ac.uk
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Publication Date:
31 December 2000 (online)

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The addition of a range of amines to vinyldiphenylphosphine oxide was examined under different reaction conditions. The methodology provides mixed phosphorus-nitrogen donor ligands R-NH(CH2CH2PPh2) 3 and R-N(CH2CH2PPh2)2 4, which could be prepared in high yields and purity in two simple steps. Labelling study revealed a non-concerted mechanism and the X-ray crystal structure of 1e is reported.

Michael additions - aminations - ligands - phosphorus - nucleophilic additions

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