pentacarbonyl((Z)-2-bromo-1-(2,4,6-tri-t-butylphenyl)-1-phosphapropene)tungsten⁽⁰⁾

Base Information

• Chemical Name: pentacarbonyl((Z)-2-bromo-1-(2,4,6-tri-t-butylphenyl)-1-phosphapropene)tungsten⁽⁰⁾
• CAS No.: 472967-63-8
• Molecular Formula: C₂₅H₃₂BrO₅PW
• Molecular Weight: 707.254

Synonyms:

Chemical Property of pentacarbonyl((Z)-2-bromo-1-(2,4,6-tri-t-butylphenyl)-1-phosphapropene)tungsten⁽⁰⁾

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of pentacarbonyl((Z)-2-bromo-1-(2,4,6-tri-t-butylphenyl)-1-phosphapropene)tungsten⁽⁰⁾

There total 1 articles about pentacarbonyl((Z)-2-bromo-1-(2,4,6-tri-t-butylphenyl)-1-phosphapropene)tungsten⁽⁰⁾ 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: 60.0%

tungsten pentacarbonyl tetrahydrofuran (36477-75-5) + (Z)-2-bromo-1-(2,4,6-tri-t-butylphenyl)-1-phosphapropene (100281-28-5,100281-29-6,100281-32-1) → pentacarbonyl((Z)-2-bromo-1-(2,4,6-tri-t-butylphenyl)-1-phosphapropene)tungsten(0) (472967-63-8)

Guidance literature:

In not given; at room temperature;

DOI:10.1246/cl.2002.708

Reference yield: 30.0%

pentacarbonyl((Z)-2-bromo-1-(2,4,6-tri-t-butylphenyl)-1-phosphapropene)tungsten(0) (472967-63-8) → 1,6-bis(2,4,6-tri-t-butylphenyl)-1,6-bis(pentacarbonyltungsten(0))-1,6-diphosphahexa-1,5-diene (472967-66-1) + (E)-1-(2,4,6-tri-t-butylphenyl)-1-(pentacarbonyltungsten(0))-1-phosphapropene (472967-69-4) + (Z)-1-(2,4,6-tri-t-butylphenyl)-1-(pentacarbonyltungsten(0))-1-phosphapropene (472967-69-4) + 1,4-bis(2,4,6-tri-t-butylphenyl)-1,4-bis(pentacarbonyltungsten(0))-2,3-dimethyl-1,4-diphosphabuta-1,3-diene

Guidance literature:

With butyllithium; CuCl₂; In tetrahydrofuran; byproducts: 1-(2,4,6-tri-t-butylphenyl)-1-phosphapropene; butyllithium added at -78°C to a soln. of the W complex in THF, CuCl2 added, stirred for 1 h, warmed to room temp., mixture treated with 10% NH3 in satd. aq. NH4Cl soln.; extracted with ether, organic layer concd. in vacuo, residue purified bycolumn chromy. (SiO2, hexane/toluene (5/1)), recrystn. in hexane; elem. anal.;

DOI:10.1246/cl.2002.708

Reference yield:

d(4)-methanol (811-98-3) + pentacarbonyl((Z)-2-bromo-1-(2,4,6-tri-t-butylphenyl)-1-phosphapropene)tungsten(0) (472967-63-8) → (E)-1-(2,4,6-tri-t-butylphenyl)-1-(pentacarbonyltungsten(0))-1-phosphapropene (472967-69-4) + 1-(2,4,6-tri-t-butylphenyl)-1-(pentacarbonyltungsten(0))-1-phosphaallene (472967-70-7) + (Z)-1-(2,4,6-tri-t-butylphenyl)-1-(pentacarbonyltungsten(0))-3-deuterio-1-phosphapropene (472967-68-3)

Guidance literature:

With butyllithium; In tetrahydrofuran; W complex reacted with butyllithium (1 equiv.), quenched with methanol-d4 at -78°C; almost quantitative yield of products in a 6:3:1 ratio for (Z)-(OC)5W(2,4,6-t-bu3C6H2)PCHCH2D, (E)-(OC)5W(2,4,6-t-bu3C6H2)PCHCH3 and (OC)5W(2,4,6-t-bu3C6H2)PCCH2, respectively;

DOI:10.1246/cl.2002.708

upstream raw materials:

tungsten pentacarbonyl tetrahydrofuran

(Z)-2-bromo-1-(2,4,6-tri-t-butylphenyl)-1-phosphapropene

Downstream raw materials:

1,6-bis(2,4,6-tri-t-butylphenyl)-1,6-bis(pentacarbonyltungsten⁽⁰⁾)-1,6-diphosphahexa-1,5-diene

(E)-1-(2,4,6-tri-t-butylphenyl)-1-(pentacarbonyltungsten⁽⁰⁾)-1-phosphapropene

(Z)-1-(2,4,6-tri-t-butylphenyl)-1-(pentacarbonyltungsten⁽⁰⁾)-1-phosphapropene

1-(2,4,6-tri-t-butylphenyl)-1-(pentacarbonyltungsten⁽⁰⁾)-1-phosphaallene

Post a RFQ

Cas No.:

Product Name:

Quantity:

Please select Metric Ton KG G Pound L ML

Email:

Company name:

Valid Period:

Detailed Requirements:

• Sample
• MOQ
• GMP
• FDA
• Price
  FOB CIF CFR EXW
• Urgent purchase

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

Remove

Submit

1

What can I do for you?
Get Best Price

Get Best Price for 472967-63-8 pentacarbonyl((Z)-2-bromo-1-(2,4,6-tri-t-butylphenyl)-1-phosphapropene)tungsten⁽⁰⁾

Send

Send

Metric Ton KG G Pound L ML

Send

Send