pentacarbonyl[11-phenyl-11-phosphatricyclo[7.2.1.0(3,10)]dodeca-2,9⁽¹²⁾-diene]tungsten

Base Information

• Chemical Name: pentacarbonyl[11-phenyl-11-phosphatricyclo[7.2.1.0(3,10)]dodeca-2,9⁽¹²⁾-diene]tungsten
• CAS No.: 211369-22-1
• Molecular Formula: C₂₂H₁₉O₅PW
• Molecular Weight: 578.214
• Mol file: 211369-22-1.mol

Synonyms:pentacarbonyl[11-phenyl-11-phosphatricyclo[7.2.1.0(3,10)]dodeca-2,9⁽¹²⁾-diene]tungsten

Chemical Property of pentacarbonyl[11-phenyl-11-phosphatricyclo[7.2.1.0(3,10)]dodeca-2,9⁽¹²⁾-diene]tungsten

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of pentacarbonyl[11-phenyl-11-phosphatricyclo[7.2.1.0(3,10)]dodeca-2,9⁽¹²⁾-diene]tungsten

There total 1 articles about pentacarbonyl[11-phenyl-11-phosphatricyclo[7.2.1.0(3,10)]dodeca-2,9⁽¹²⁾-diene]tungsten 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: 52.0%

syn-[5,6-dimethyl-2,3-bis(methoxycarbonyl)-7-phenyl-7-phosphanorbornadiene]pentacarbonyltungsten (82265-64-3) + <5>metacyclophane (7124-97-2) → pentacarbonyl[11-phenyl-11-phosphatricyclo[7.2.1.0(3,10)]dodeca-2,9(12)-diene]tungsten (211369-22-1) + C6H4(CH2)5P(C6H5)W(CO)5 + C6H4(CH2)5P(C6H5)W(CO)5

Guidance literature:

copper(l) chloride; In toluene; N2 atmosphere; heating (55°C, 2 h); volatile components (vac.), dissol. (pentane/benzene 9/1), chromy. (silica), crystn. (pentane); elem. anal.;

Reference yield:

pentacarbonyl[11-phenyl-11-phosphatricyclo[7.2.1.0(3,10)]dodeca-2,9(12)-diene]tungsten (211369-22-1) + iodine (7553-56-2,12190-71-5,8031-47-8) → tetracarbonyliodo[11-phenyl-11-phosphatricyclo[7.2.1.0(3,10)]dodeca-2,9(12)-diene]tungsten iodide (267240-48-2,266683-00-5)

Guidance literature:

In dichloromethane-d2; byproducts: CO; under N2; in NMR tube; soln. of W complex in CD2Cl2 cooled to -30°C; soln. of I2 in CD2Cl2 added; the tube capped; warmed slowly to roomtemp.; product contained two stereoisomers in 3:2 ratio; without isolation; detd. by (1)H and (31)P NMR spectra;

DOI:10.1021/ja9942944

upstream raw materials:

syn-[5,6-dimethyl-2,3-bis(methoxycarbonyl)-7-phenyl-7-phosphanorbornadiene]pentacarbonyltungsten

<5>metacyclophane

Downstream raw materials:

tetracarbonyliodo[11-phenyl-11-phosphatricyclo[7.2.1.0(3,10)]dodeca-2,9⁽¹²⁾-diene]tungsten iodide