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Diphenyl(p-tolyl)phosphine is a white to light yellow crystalline powder that is a trivalent phosphorus compound with a phenyl group and a p-tolyl group attached to it. It is known for its unique chemical properties and versatile applications in various fields.

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  • 1031-93-2 Structure
  • Basic information

    1. Product Name: DIPHENYL(P-TOLYL)PHOSPHINE
    2. Synonyms: P-TOLYLDIPHENYLPHOSPHINE;Phosphine, (4-methylphenyl)diphenyl-;DIPHENYL(P-TOLYL)PHOSPHINE;DIPHENYL-4-TOLYLPHOSPHINE;DIPHENYL-4-METHYLPHENYLPHOSPHINE;(4-METHYLPHENYL)(DIPHENYL)PHOSPHINE;p-Tolyldiphenylphosphine,min.96%;p-Tolyldiphenylphosphine, 96+%
    3. CAS NO:1031-93-2
    4. Molecular Formula: C19H17P
    5. Molecular Weight: 276.31
    6. EINECS: 213-848-3
    7. Product Categories: Ligand;Catalysis and Inorganic Chemistry;Phosphine Ligands;Phosphorus Compounds;organophosphorus ligand;Achiral Phosphine;Aryl Phosphine
    8. Mol File: 1031-93-2.mol
  • Chemical Properties

    1. Melting Point: 66-68 °C(lit.)
    2. Boiling Point: 373.7 °C at 760 mmHg
    3. Flash Point: 189.3 °C
    4. Appearance: white/crystal
    5. Density: g/cm3
    6. Vapor Pressure: 1.89E-05mmHg at 25°C
    7. Refractive Index: N/A
    8. Storage Temp.: 2-8°C
    9. Solubility: N/A
    10. BRN: 646709
    11. CAS DataBase Reference: DIPHENYL(P-TOLYL)PHOSPHINE(CAS DataBase Reference)
    12. NIST Chemistry Reference: DIPHENYL(P-TOLYL)PHOSPHINE(1031-93-2)
    13. EPA Substance Registry System: DIPHENYL(P-TOLYL)PHOSPHINE(1031-93-2)
  • Safety Data

    1. Hazard Codes: Xi
    2. Statements: 36/37/38-38-37-36
    3. Safety Statements: 26-37/39-39-37
    4. WGK Germany: 3
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: III
    8. Hazardous Substances Data: 1031-93-2(Hazardous Substances Data)

1031-93-2 Usage

Uses

Used in Organic Synthesis:
Diphenyl(p-tolyl)phosphine is used as a reactant for various organic synthesis processes, including three-component cyclization, probing coordination ability via a palladium pincer complex, and chelation-assisted hydroacylation of olefins with primary alcohols. Its unique reactivity and selectivity make it a valuable building block in the synthesis of complex organic molecules.
Used in Inorganic Chemistry:
In inorganic chemistry, Diphenyl(p-tolyl)phosphine is used as a reactant for the synthesis of trinuclear ruthenium carbonyl triarylphosphine cluster complexes. These complexes have potential applications in catalysis, materials science, and as precursors for the synthesis of other metal phosphide compounds.
Used in Medicinal Chemistry:
Diphenyl(p-tolyl)phosphine is used as a reactant for the synthesis of leishmanicidal leads targeting mitochondria through the inhibition of the respiratory complex. This application highlights its potential as a precursor for the development of new therapeutic agents against parasitic diseases.
Used in Materials Science:
In materials science, Diphenyl(p-tolyl)phosphine is used as a reactant for the synthesis of InP nanofibers and metal phosphide nanostructures. These materials have potential applications in optoelectronics, photovoltaics, and sensing technologies.
Used in Physical Chemistry:
Diphenyl(p-tolyl)phosphine is used in the generation of peroxyle radical cations via pulse radiolysis one-electron oxidations. This application allows researchers to study the properties and reactivity of these highly reactive species, which can provide insights into various chemical and physical processes.

Synthesis Reference(s)

The Journal of Organic Chemistry, 52, p. 748, 1987 DOI: 10.1021/jo00381a008

Check Digit Verification of cas no

The CAS Registry Mumber 1031-93-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,3 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1031-93:
(6*1)+(5*0)+(4*3)+(3*1)+(2*9)+(1*3)=42
42 % 10 = 2
So 1031-93-2 is a valid CAS Registry Number.
InChI:InChI=1/C19H17P/c1-16-12-14-19(15-13-16)20(17-8-4-2-5-9-17)18-10-6-3-7-11-18/h2-15H,1H3

1031-93-2 Well-known Company Product Price

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  • Aldrich

  • (155039)  Diphenyl(p-tolyl)phosphine  96%

  • 1031-93-2

  • 155039-10G

  • 402.48CNY

  • Detail

1031-93-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name Diphenyl(p-tolyl)phosphine

1.2 Other means of identification

Product number -
Other names DIPHENYL(P-TOLYL)PHOSPHINE

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:1031-93-2 SDS

1031-93-2Relevant articles and documents

A general synthesis of aryl phosphines by palladium catalyzed phosphination of aryl bromides using triarylphosphines

Kwong, Fuk Yee,Chan, Kin Shing

, p. 1069 - 1070 (2000)

Palladium catalyzed phosphination of substituted aryl bromides using triarylphosphines as the phosphinating agents has been developed; this method tolerates ketone, aldehyde, ester, nitrile, ether and chloride functional groups.

Nickel-catalysed electrochemical coupling between mono- or di-chlorophenylphosphines and aryl or heteroaryl halides

Budnikova, Yulia,Kargin, Yuri,Nedelec, Jean-Yves,Perichon, Jacques

, p. 63 - 66 (1999)

Nickel-catalysed electrochemical cross-coupling between aryl- or heteroaryl-halides and chlorodiphenylphosphine or dichlorophenylphosphine affords tertiary phosphines in good to high yields.

Photochemical Anion-Promoted Carbon-Sulfur Cleavage Reactions of Diaryl Sulfides, Alkyl Aryl Sulfides, and Related Sulfoxides and Sulfones

Cheng, Carlos,Stock, Leon M.

, p. 2436 - 2443 (1991)

Diaryl sulfides and the related sulfoxides and sulfones react with substances such as diethyl phosphite anion, pinacolone enolate, and diphenylphosphide anion under irradiation to cleave one carbon-sulfur bond and form diethyl arylphosphonates, arylmethyl tert-butyl ketones, and aryldiphenylphosphines.Alkyl aryl sulfides and the related sulfones also experience carbon-sulfur bond cleavage under these conditions to produce arenethiols.Generally, these reactions occur in synthetically useful yields.The reactions of the anions with these sulfides, sulfoxides, and sulfones all require irradiation, but is notable that the reactions of diphenylphosphide anion occur in the visible region of the spectrum.Several lines of evidence suggest that the reaction proceeds via the familiar SRN1 pathway and that the photochemically-induced electron transfer occurs in an arene-anion complex.Thermochemical considerations dictate the cleavage direction in the anion radicals of unsymmetrical sulfides.

Copper-catalyzed synthesis of unsymmetrical triarylphosphines

Van Allen, Derek,Venkataraman

, p. 4590 - 4593 (2003)

Various triarylphosphines have been prepared by coupling diphenylphosphine with aryl iodides with catalytic amounts of CuI in the presence of either K2CO3 or CS2CO3, in good yields. This method can tolerate a variety of functional groups and does not require the use of expensive additives, or harsh reaction conditions, and is palladium free.

Application of palladium-catalyzed Pd-aryl/P-aryl exchanges: Preparation of functionalized aryl phosphines by phosphination of aryl bromides using triarylphosphines

Kwong, Fuk Yee,Lai, Chi Wai,Yu, Michael,Chan, Kin Shing

, p. 5635 - 5645 (2004)

Palladium-catalyzed Pd-aryl/P-aryl interchange reaction was applied in the synthesis of various functionalized arylphosphines. This phosphination used inexpensive, readily available and air stable triarylphosphines as the phosphinating agents. Broad functional groups were compatible including keto, aldehyde, ester, nitrile, ether, chloride, pyridyl and thiophenyl groups. Halides were found to be good promoter for the rates and yields of the reaction.

Nickel-catalyzed C-P cross-coupling by C-CN bond cleavage

Sun, Meng,Zhang, Hong-Yu,Han, Qi,Yang, Kuo,Yang, Shang-Dong

, p. 9566 - 9570 (2011)

Prosperous coupling: A nickel-catalyzed C-P cross-coupling reaction with Me3SiPPh2 by carbon-cyano bond cleavage has been developed. This method is characterized by its simplicity and wide application to the synthesis of various monophosphorus and P,N bidentate ligands (see scheme).

Ligand-free palladium catalyzed phosphorylation of aryl iodides

Nowrouzi, Najmeh,Keshtgar, Saba,Bahman Jahromi, Enayatollah

, p. 348 - 350 (2016)

A reusable ligand-free palladium catalyzed phosphorylation of aryl iodides using PdCl2/tetrabutylammonium bromide is described. Functionalized triarylphosphines were obtained in good to excellent yields in the absence of external reductants and supporting ligands.

Nickel-catalysed P-C bond formation via P-H/C-CN cross coupling reactions

Zhang, Ji-Shu,Chen, Tieqiao,Yang, Jia,Han, Li-Biao

, p. 7540 - 7542 (2015)

Nickel-catalysed P-H/C-CN cross coupling reactions take place efficiently under mild reaction conditions affording the corresponding sp2C-P bonds. This transformation provides a convenient method for the preparation of arylphosphines and arylphosphine oxides from the readily available P-H compounds and arylnitriles. This journal is

Efficient potassium hydroxide promoted P-arylation of aryl halides with diphenylphosphine

Chen, Jin,Dai, Bencai,Liu, Changchun,Shen, Zhihao,Zhou, Yang

, (2021)

A simple synthetic method of triarylphosphine compounds by KOH-promoted P-Arylation reaction of aryl halides with diphenylphosphine is presented. Notably, this transformation could smoothly proceed with high yields under transition-metal-free and mild reaction conditions. In addition, this protocol is valuable for industrial application due to the convenient operation and readily accessible aromatic halides. A possible explanation of the reaction mechanism was proposed based on the experimental data.

ARYLATION CATALYTIQUE D'ORGANOPHOSPHORES. PRODUITS DE L'ARYLATION, CATALYSEE PAR LES SELS DE NICKEL (II), DE COMPOSES DU PHOSPHORE TRICOORDINE

Cristau, Henri-Jean,Chene, Alain,Christol, Henri

, p. 283 - 296 (1980)

Analysis of the products from the nickel (II) bromide catalysed arylation of tricoordinated phosphorus compounds R2P-Z (Z = H, Cl, SR,NR2) pointed out that this arylation always takes place on phosphorus resulting at first in formation of pseudophosphonium salts.Only the aminophosphonium salts are stable under reaction conditions; the other salts undergo several transformations which can be brought together in a general reactivity scheme to account for all the side products.On regard to other heteroatoms these results point out a particular ability of phosphorus to be arylated under nickel (II) catalysis.The reaction with secondary phosphines can be applied to synthetise diarylphosphonium salts.

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