Phosphonium, dichloride

Base Information

• Chemical Name: Phosphonium, dichloride
• CAS No.: 1519-47-7
• Molecular Formula: C44H38 P2 . 2 Cl
• Molecular Weight: 699.639
• NSC Number: 64113,660328
• Mol file: 1519-47-7.mol

Synonyms:NSC660328;Phosphonium, dichloride;NSC64113;NSC-64113;NSC-660328;Phosphonium,4-phenylenebis(methylene)]bis[triphenyl-, dichloride

Chemical Property of Phosphonium, dichloride

Chemical Property:

• Melting Point: >300°C
• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 27.18000
• Density: g/cm³
• LogP: 2.68280
• Sensitive.: Hygroscopic
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 10
• Exact Mass: 663.2137279
• Heavy Atom Count: 47
• Complexity: 689

Purity/Quality:

99% ^*data from raw suppliers

(1,4-Phenylenebis(methylene))bis-(triphenylphosphonium) chloride 97% ^*data from reagent suppliers

Safty Information:

• Hazard Codes: Xn
• Statements: 36/37/38-20/21/22
• Safety Statements: 36/37/39-26

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C(C=C1)[P+](CC2=CC=C(C=C2)C[P+](C3=CC=CC=C3)(C4=CC=CC=C4)C5=CC=CC=C5)(C6=CC=CC=C6)C7=CC=CC=C7.[Cl-]
• Uses: suzuki reaction

Technology Process of Phosphonium, dichloride

There total 4 articles about Phosphonium, dichloride which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 96.5%

triphenylphosphine (603-35-0) + p-Xylylene dichloride (623-25-6) → [p-phenylenebis(methylene)]bis[triphenylphosphonium] dichloride (1519-47-7)

Guidance literature:

In N,N-dimethyl-formamide; at 100 ℃;

DOI:10.1002/hlca.19810640403

Reference yield:

(1,4-phenylenebis(methylene))bis(diphenylphosphine oxide) (38661-56-2) + chlorobenzene (108-90-7) → [p-phenylenebis(methylene)]bis[triphenylphosphonium] dichloride (1519-47-7)

Guidance literature:

(1,4-phenylenebis(methylene))bis(diphenylphosphine oxide); With copper(II) bis(trifluoromethanesulfonate); 1,1,3,3-tetramethyldisilazane; In toluene; at 80 ℃;

chlorobenzene; With nickel dichloride; In 1,2-dimethoxyethane; at 180 ℃; for 4h;

Reference yield:

1,4-phenylenediacetic acid (7325-46-4) + Diphenylphosphine oxide (4559-70-0) → [p-phenylenebis(methylene)]bis[triphenylphosphonium] dichloride (1519-47-7)

Guidance literature:

Multi-step reaction with 2 steps

1.1: silver carbonate; sodium persulfate / acetonitrile / 80 °C

2.1: 1,1,3,3-tetramethyldisilazane; copper(II) bis(trifluoromethanesulfonate) / toluene / 80 °C

2.2: 4 h / 180 °C

With sodium persulfate; copper(II) bis(trifluoromethanesulfonate); silver carbonate; 1,1,3,3-tetramethyldisilazane; In toluene; acetonitrile;

upstream raw materials:

triphenylphosphine

p-Xylylene dichloride

1,4-phenylenediacetic acid

Diphenylphosphine oxide

Downstream raw materials:

1,4-bis-[4t-(4-dimethylamino-phenyl)-buta-1,3-dien-t-yl]-benzene

1,4-bis-(4-acetylamino-trans-styryl)-benzene

1-bromo-4-((E)-2-(4-[(E)-2-(4-bromophenyl)vinyl]phenyl)vinyl)benzene

4,4'-(p-phenylenedivinylene)bis<1,3-dimethylpyrazole>

Refernces

• 1、 Khaskin,Milstein. "Catalytic, oxidant-free, direct olefination of alcohols using Wittig reagents". supporting information. p. 9002 - 9005. Retrieved 2015/05/27.
• 2、 Akachi, Yosuke,Koide, Naoyuki. "Thermal and ionic-conductive behaviors of main chain type liquid crystalline polymers with lithium salt". . p. 427 - 437. Retrieved 2007/10/03.