pentacarbonyl[1,5,6,7,8-pentamethyl-2-(ethoxycarbonyl)-3-phenyl-4-phosphatetracyclo[3.3.0.0(2,4)]oct-7-en-κP]tungsten(0)

Base Information

• Chemical Name: pentacarbonyl[1,5,6,7,8-pentamethyl-2-(ethoxycarbonyl)-3-phenyl-4-phosphatetracyclo[3.3.0.0(2,4)]oct-7-en-κP]tungsten(0)
• CAS No.: 1206592-61-1
• Molecular Formula: C₂₆H₂₅O₇PW
• Molecular Weight: 664.304
• Mol file: 1206592-61-1.mol

Synonyms:

Chemical Property of pentacarbonyl[1,5,6,7,8-pentamethyl-2-(ethoxycarbonyl)-3-phenyl-4-phosphatetracyclo[3.3.0.0(2,4)]oct-7-en-κP]tungsten(0)

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of pentacarbonyl[1,5,6,7,8-pentamethyl-2-(ethoxycarbonyl)-3-phenyl-4-phosphatetracyclo[3.3.0.0(2,4)]oct-7-en-κP]tungsten(0)

There total 1 articles about pentacarbonyl[1,5,6,7,8-pentamethyl-2-(ethoxycarbonyl)-3-phenyl-4-phosphatetracyclo[3.3.0.0(2,4)]oct-7-en-κP]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: 25.0%

pentacarbonyl[2-(pentamethyl-2,4-cyclopentadien-1-yl)-3-phenyl-2H-azaphosphirene-κP]tungsten(0) (219555-15-4) + phenylpropynoic acid ethyl ester (2216-94-6) → pentacarbonyl[1,5,6,7,8-pentamethyl-2-(ethoxycarbonyl)-3-phenyl-4-phosphatetracyclo[3.3.0.0(2,4)]oct-7-en-κP]tungsten(0) (1206592-61-1)

Guidance literature:

In toluene; byproducts: C6H5CN; (Ar); soln. of tungsten complex in toluene was added to hot (90°C) soln. of ethyl phenylpropionate in toluene, stirred at 90°C for30 min; evapd., low temp. column chromy., elem. anal.;

DOI:10.1021/om9009334

Reference yield: 41.5%

lithium hydroxide monohydrate (1310-66-3) + pentacarbonyl[1,5,6,7,8-pentamethyl-2-(ethoxycarbonyl)-3-phenyl-4-phosphatetracyclo[3.3.0.0(2,4)]oct-7-en-κP]tungsten(0) (1206592-61-1) → (C5(CH3)5)P(OH)(W(CO)5)(C(C6H5)CHCO2C2H5)

Guidance literature:

With KHSO₄; In tetrahydrofuran; ethanol; water; (Ar); to soln. of tungsten complex in THF was added EtOH, cooled to 0°C, aq. soln. of LiOH*H2O was added, stirred at 0°C for 3 h then at room temp. for 12 h, 1 M aq. soln. of KHSO4 was added to pH 3; THF was removed in vac., extd. with EtOAc and CH2Cl2, organic phases were washed with brine, dried over MgSO4, evapd., washed with pentane, low-temp. column chromy., elem. anal.;

DOI:10.1021/om9009334

upstream raw materials:

pentacarbonyl[2-(pentamethyl-2,4-cyclopentadien-1-yl)-3-phenyl-2H-azaphosphirene-κP]tungsten(0)

phenylpropynoic acid ethyl ester