Diphenyl[(trimethylsilyl)ethynyl]phosphane

Base Information

• Chemical Name: Diphenyl[(trimethylsilyl)ethynyl]phosphane
• CAS No.: 21037-91-2
• Molecular Formula: C17H19PSi
• Molecular Weight: 282.397
• DSSTox Substance ID: DTXSID60575183
• Nikkaji Number: J1.985.064A
• Wikidata: Q82464470
• Mol file: 21037-91-2.mol

Synonyms:21037-91-2;Diphenyl[(trimethylsilyl)ethynyl]phosphane;Phosphine, diphenyl[2-(trimethylsilyl)ethynyl]-;Diphenyl((trimethylsilyl)ethynyl)phosphane;DTXSID60575183;diphenylphosphino(trimethylsilyl)acetylene;(trimethylsilyl)(diphenylphosphino)acetylene

Chemical Property of Diphenyl[(trimethylsilyl)ethynyl]phosphane

Chemical Property:

• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 4
• Exact Mass: 282.09936414
• Heavy Atom Count: 19
• Complexity: 313

Purity/Quality:

98%,99%, ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Canonical SMILES: C[Si](C)(C)C#CP(C1=CC=CC=C1)C2=CC=CC=C2

Technology Process of Diphenyl[(trimethylsilyl)ethynyl]phosphane

There total 2 articles about Diphenyl[(trimethylsilyl)ethynyl]phosphane 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: 72.0%

chloro-diphenylphosphine (1079-66-9,74391-44-9) + trimethylsilylacetylene (1066-54-2) → trimethylsilyl(diphenylphosphanyl)acetylene (21037-91-2)

Guidance literature:

trimethylsilylacetylene; With n-butyllithium; In Dimethyl ether; cyclohexane; at -78 ℃; for 1h;

chloro-diphenylphosphine; In Dimethyl ether; cyclohexane; at -78 - 20 ℃;

DOI:10.1016/j.jorganchem.2003.09.003

Reference yield:

→ trimethylsilyl(diphenylphosphanyl)acetylene (21037-91-2)

Guidance literature:

a) aus 1) n-BuLi, Trimethylethinylsilan, 2) Diphenylchlorphosphin;

DOI:10.1016/S0022-328X(00)86325-1

Reference yield: 99.0%

Schwartz's reagent + trimethylsilyl(diphenylphosphanyl)acetylene (21037-91-2) → Cl(η5-cyclopentadienyl)2ZrC(trimethylsilyl)CHP(phenyl)2 (686710-76-9)

Guidance literature:

In tetrahydrofuran; Ar; addn. of the alkyne to THF suspn. of Zr compd. at -20°C, stirring at room temp. for 2 h; solvent removal in vac.;

DOI:10.1016/j.jorganchem.2003.12.034

upstream raw materials:

chloro-diphenylphosphine

trimethylsilylacetylene

Downstream raw materials:

ethynyl(diphenyl)phosphine oxide

ethynyldiphenylphosphine

(trimethylsilylethynyl)diphenylphosphine sulfide

3-diphenylphosphanyl-1-phenyl-prop-2-yn-1-ol