'Diopium', a chiral phosphoniophosphine derived from Kagan's diop. Rhodium complexes and reducing catalytic properties
L Viau, R Chauvin
Index: Viau, Lydie; Chauvin, Remi Journal of Organometallic Chemistry, 2002 , vol. 654, # 1-2 p. 180 - 186
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Abstract
Cationic chiral monophosphines are devised as a novel type of ligands for catalytic transformations of polar substrates with polar reagents. A phosphonio-phosphine derived from (R, R)-diop ('methyldiopium') proved to act as a chiral version of Baird's ω-phosphonio- phosphine ligands ('phophos') in Rh (I) complexes in both 1: 1 and 2: 1 P: Rh stoichiometry. Their versatile structure in CDCl3 solution has been studied by NMR spectroscopy in the ...
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