Chiral C2-symmetric η6-p-cymene-Ru(II)-phosphinite complexes: Synthesis and catalytic activity in asymmetric reduction of aromatic, methyl alkyl and alkyl/aryl ketones
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DOI: 10.1016/j.ica.2017.11.044
Abstract: Abstract Chiral C2-symmetric bis(phosphinite) ligands and their binuclear ruthenium(II) complexes have been synthesized and used as catalysts in the ruthenium-catalyzed asymmetric transfer hydrogenation of aromatic, methyl alkyl and alkyl/aryl ketones using 2-propanol as both the… read more here.
Keywords: alkyl; phosphinite; aromatic methyl; methyl alkyl ... See more keywords
Alkylation of Phosphinite/Phosphonite-Boranes via Temporary Protection of the P–H Bond
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DOI: 10.1055/s-0040-1707104
Abstract: A new alkylation protocol for the synthesis of tertiary phosphonite/phosphinite-boranes is developed. P-Alkylation products are obtained exclusively in moderate to very good yields from easily accessible (1-hydroxy-1-methylethyl)/(1-hydroxy-1-cyclohexyl) phosphonite/phosphinite-boranes upon reaction with a variety of electrophiles… read more here.
Keywords: phosphinite boranes; phosphinite; alkylation phosphinite; alkylation ... See more keywords
Asymmetric Transfer Hydrogenation of Arylketones Catalyzed by Enantiopure Ruthenium(II)/Pybox Complexes Containing Achiral Phosphonite and Phosphinite Ligands
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DOI: 10.3390/molecules25040990
Abstract: A family of complexes of the formula trans-[RuCl2(L)(R-pybox)] (R-pybox = (S,S)-iPr-pybox, (R,R)-Ph-pybox, L = monodentate phosphonite, PPh(OR)2, and phosphinite, L = PPh2(OR), ligands) were screened in the catalytic asymmetric transfer hydrogenation of acetophenone, observing a… read more here.
Keywords: phosphinite; asymmetric transfer; transfer hydrogenation; pybox ... See more keywords