82270-61-9Relevant articles and documents
Reduction of tertiary phosphine oxides to phosphine-boranes using Ti(Oi-Pr)4/BH3-THF
Sowa, Sylwia,Pietrusiewicz, K. Micha?
, (2021/03/17)
A new method for reduction of tertiary phosphine oxides leading to the formation of tertiary phosphine-boranes has been developed. The BH3-THF/Ti(Oi-Pr)4 reducing system enables conversion of triaryl, diarylalkyl and trialkylphosphine oxides directly to their borane analogues in good to high yields. In contrast to the previously reported protocols, the presence of activating groups in the structure of starting material is not necessary for the reaction to occur. The reaction is highly stereoselective and proceeds with predominant retention of configuration at the phosphorus atom. A plausible mechanism of reduction of the P[dbnd]O bond by BH3-THF/Ti(Oi-Pr)4 has been proposed.
Coordination Chemistry of Ligands with the Donors Phosphorus and Sulfur, I. Nickel(II) Complexes with Phosphinomethylthioethers as Ligands. A Planar-Tetrahedral Equilibrium with Nickel(II)
Gerdau, Thomas,Kramolowsky, Reinhard
, p. 332 - 340 (2007/10/02)
The preperation and structural characterization of phosphinomethylthioethernickel(II) complexes of the general type (X = Cl, Br, I, NCS: R = Me, Ph) are reported.In all the complexes the phosphinomethylthioethers act as monodentate liga