Castillo, Angelica Balanta and Perandones, Bernabé F. and Zangrando, Ennio and Gladiali, Serafino Gabriele and Godard, Cyril and Claver, Carmen (2013) Pd-catalysed asymmetric SuzukieMiyaura reactions using chiral mono- and bidentate phosphorus ligands. Journal of Organometallic Chemistry, Vol. 743 , p. 31-36. ISSN 0022-328X. Article.
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A series of monodentate and bidentate chiral phosphorus based ligands including diphosphites and diphosphonites derived from carbohydrates were tested in the asymmetric Suzuki coupling of aryl halides with 2-substituted 1-naphthylboronic acids. Good activities and selectivities were achieved, although modest ee's were obtained (up to 37%). The X-ray structure of PtCl2 (12) bearing the C2-symmetry diphosphite ligand 12 derived from carbohydrate, is also reported.
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