pentacarbonyl(selenobenzaldehyde)tungsten

Base Information

• Chemical Name: pentacarbonyl(selenobenzaldehyde)tungsten
• CAS No.: 99883-35-9
• Molecular Formula: C₁₂H₆O₅SeW
• Molecular Weight: 492.987
• Mol file: 99883-35-9.mol

Synonyms:

Chemical Property of pentacarbonyl(selenobenzaldehyde)tungsten

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of pentacarbonyl(selenobenzaldehyde)tungsten

There total 1 articles about pentacarbonyl(selenobenzaldehyde)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: 60.0%

tetrafluoroboric acid + NEt4((CO)5W{C(H)(OCH3)C6H5}) + tetraethylammonium selenocyanate → pentacarbonyl(selenobenzaldehyde)tungsten (99883-35-9,92077-30-0,92011-80-8,92011-87-5)

Guidance literature:

In dichloromethane; pentane; byproducts: (C2H5)4NCN; under N2, addn. of HBF4 in CH2Cl2 to a soln. of (Et4N)((CO)5WC(H)(OCH3)C6H5) at -90°C with stirring for 1 min yields (CO)5WCHC6H5, addn.of pentane and (Et4N)NCSe in CH2Cl2 at -90°C; chromy. (SiO2, pentane/CH2Cl2 (3:1), -70°C), evapn., recrystn. (pentane, -30°C);

Reference yield: 72.0%

pentacarbonyl(selenobenzaldehyde)tungsten (99883-35-9,92077-30-0,92011-80-8,92011-87-5) + methyl(diethylamino)acetylene (4231-35-0) → pentacarbonyl(N,N-diethyl-2-methyl-3-phenylselenoacrylamide)tungsten (110657-71-1)

Guidance literature:

In dichloromethane; N2 atmosphere, addn. of MeCCNEt2 in CH2Cl2 (room temp.) to cooled (-78°C) soln. of complex, warming to room temp.; chromy. (silica gel, -25°C, pentane, pentane/CH2Cl2 1:1), solvent removal (high vacuum), recrystn. (pentane/CH2Cl2 4:1); elem. anal.;

Reference yield: 68.0%

pentacarbonyl(selenobenzaldehyde)tungsten (99883-35-9,92077-30-0,92011-80-8,92011-87-5) + bis(diethylamino)acetylene (5323-13-7) → pentacarbonyl(2-diethylamino-3-phenyl-selenoacrylic acid-N,N-diethylamide)tungsten

Guidance literature:

In dichloromethane; N2 atmosphere; bis(diethylamino)acetylene dropped into soln. of W-complex (-90°C, stirring); chromy. with pentane and pentane/CH2Cl2 (-40°C); solvent removal (vac., 0°C); recrystn. from pentane/CH2Cl2; elem. anal.;

DOI:10.1016/0022-328X(88)87081-5

Downstream raw materials:

(CO)5W(C₁₂H₁₂Se)

(CO)5W(C₁₃H₁₄Se)

pentacarbonyl(2-phenyl-4,5-dimethyl-1-selenacyclohex-4-ene)tungsten

pentacarbonyl(N,N-diethyl-2-methyl-3-phenylselenoacrylamide)tungsten