18632-84-3

Upstream product

• 829-85-6 diphenylphosphane 
• 1455-13-6 deuteromethanol 
• 603-35-0 triphenylphosphine 
• 1079-66-9 chloro-diphenylphosphine 

Downstream Products

• 829-85-6 diphenylphosphane 
• 15123-00-9 ammonia 

Relevant academic research and scientific papers

Investigating palladium pincer complexes in catalytic asymmetric hydrophosphination and hydroarsination

Given the periodic relationship of phosphines and arsines, is remodeling the catalytic asymmetric hydrophosphination reaction an efficient manner to develop the corresponding hydroarsination reaction? Herein, a chiral PCP-Pd(ii) pincer complex adept at ge

Hydrogen isotope fractionation between methanol and diphenylphosphine or dimethylphosphine in the gas phase and in aprotic solvents

D/H fractionation factors between MeOH and Ph2PH in dilute solutions of tetrachloroethylene, benzene, tetrahydrofuran, pyridine, and acetonitrile and T/H fractionation factors between MeOH and Me2PH vapors were measured. The experimental results agree very well with values calculated from the statistical theory of isotope effects formulated by Bigeleisen and Mayer. There are correlations between observed fractionation factors and solvent polarity, and the interaction energy of methanol with the given solvent. Another correlation has been found between enthalpy of the exchange reactions and the interaction energy between methanol and the given solvent.

Manganese(I)-Catalyzed H-P Bond Activation via Metal-Ligand Cooperation

Here we report that chiral Mn(I) complexes are capable of H-P bond activation. This activation mode enables a general method for the hydrophosphination of internal and terminal α,β-unsaturated nitriles. Metal-ligand cooperation, a strategy previously not considered for catalytic H-P bond activation, is at the base of the mechanistic action of the Mn(I)-based catalyst. Our computational studies support a stepwise mechanism for the hydrophosphination and provide insight into the origin of the enantioselectivity.

N?H Bond Formation at a Diiron Bridging Nitride

Despite their connection to ammonia synthesis, little is known about the ability of iron-bound, bridging nitrides to form N?H bonds. Herein we report a linear diiron bridging nitride complex supported by a redox-active macrocycle. The unique ability of th

Exploring the Reactivity of Donor-Stabilized Phosphenium Cations: Lewis Acid-Catalyzed Reduction of Chlorophosphanes by Silanes

Phosphane-stabilized phosphenium cations react with silanes to effect either reduction to primary or secondary phosphanes, or formation of P-P bonded species depending upon counteranion. This operates for in situ generated phosphenium cations, allowing catalytic reduction of P(III)-Cl bonds in the absence of strong reducing agents. Anion and substituent dependence studies have allowed insight into the competing mechanisms involved.

Catalyst- and solvent-free hydrophosphination and multicomponent hydrothiophosphination of alkenes and alkynes

The hydrophosphination of carbon-carbon multiple bonds has been generally performed under acid, base or metal catalysis in different solvents. Herein, alkyl and alkenyl tertiary phosphines are obtained by the addition of diphenylphosphine to alkenes and alkynes, respectively, in the absence of a solvent and a catalyst. In the presence of elemental sulfur, the corresponding alkyl and alkenyl tertiary phosphine sulfides are synthesized in a three-component process. These simple methods, which meet most of the principles of Green Chemistry, are highly regioselective towards the anti-Markovnikov products and diastereoselective towards the Z alkenyl phosphines. The mechanistic aspects of the reactions are also tackled and the efficiency of the latter is compared with that of the catalytic methods.

Insertion reactions and catalytic hydrophosphination by triamidoamine-supported zirconium complexes

Triamidoamine-supported zirconium phosphido complexes, (N 3N)ZrPRR′ (N3N = N(CH2CH 2NSiMe3)33-; R = alkyl, aryl; R′ = R, H), have been shown to catalyze the hydrophosphination of

Rh-catalyzed P-P bond activation

A Rh-catalyst derived from (NacNac)Rh(COE)(N2) effects the hydrogenation and silylation of P-P bonds to give secondary phosphines and silylphosphines, (Ph2PH) and (Ph2PSiRR′2) respectively; the latter process is shown to also involve the silylation of secondary phosphines. The Royal Society of Chemistry.

Kinetic Isotope Effect in Hydrogen Isotope Exchange between Diphenylphosphine and Methanol or 2-Methylpropane-2-thiol in Aprotic Solvents

The bimolecular rate constants for tritium exchange between (i), Ph2PH and MeOH*, (ii) Ph2PD and MeOD*, (iii) Ph2PH and Me3CSH*, and (iv) Ph2PD and Me3CSD* in MeCN solution were measured.In systems (i) and (ii) the HT/DT kinetic isotope effect depends on the direction of exchange and varies from 3.0 o 1.7 and from 4.8 to 2.4 at 323 and 250 K, respectively.In system (iii) and (iv) the kinetic isotope effect is independent of the direction of exchange and changes from 2.2 at 323 K to 2.8 at 250 K.The rate constants for deuterium exchange between Ph2PH and MeOH or Me3CSH were measured in C6H6, C2Cl4, (CH2)4O, C5H5N and MeCN solutions.The reaction involve (i) desolvation of MeOH or Me3CSH (ii) double hydrogen transfer in the four-centre cyclic complex, which is found to be the rate limiting-step.The contribution of tunneling to hydrogen transfer is not significant.