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Bite angle-selectivity correlation

The existence of this correlation was verified in a study with a series of bidentate diphosphines based on a xanthene-like backbones as ligands. XANT-PHOS (5) with its calculated bite angle of 111.7° was found to induce a 98.3% re-aldehyde selectivity in the modified rhodium-catalyzed 1-octene hydroformylation at 40°C and 1 MPa CO H2 = 1 1 (115). The enhanced selectivity to the linear aldehyde was also observed for styrene. At 60°C and 1 MPa CO H2 = 1 1, formation of 43.5% 3-phenyl-propanal was found with 5 (117) compared to 7.4% at 70°C and 6.2 MPa CO H2 = 1 1 with PPhg (40). [Pg.1116]

See other pages where Bite angle-selectivity correlation is mentioned: [Pg.4]    [Pg.4]    [Pg.88]    [Pg.182]    [Pg.24]    [Pg.17]    [Pg.139]    [Pg.455]    [Pg.15]    [Pg.554]    [Pg.85]    [Pg.5331]    [Pg.762]    [Pg.105]    [Pg.2]    [Pg.170]    [Pg.133]   
See also in sourсe #XX -- [ Pg.4 ]



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