Pentacarbonyl(methoxyphenylcarbene)tungsten(0)

Base Information

• Chemical Name: Pentacarbonyl(methoxyphenylcarbene)tungsten(0)
• CAS No.: 37823-96-4
• Molecular Formula: C13H8O6W
• Molecular Weight: 444.053
• Mol file: 37823-96-4.mol

Synonyms:Pentacarbonyl(methoxyphenylcarbene)tungsten(0)

Chemical Property of Pentacarbonyl(methoxyphenylcarbene)tungsten(0)

Chemical Property:

• PSA: 9.23000
• LogP: 0.77480

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Pentacarbonyl(methoxyphenylcarbene)tungsten(0)

There total 10 articles about Pentacarbonyl(methoxyphenylcarbene)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: 74.0%

tetramethylammonium(pentacarbonylbenzoyl)tungsten + methyl chloroformate (79-22-1) → pentacarbonyl(methoxyphenylmethylene)tungsten(0) (37823-96-4)

Guidance literature:

With triethylamine; In dichloromethane; Mixt. of reagents in CH2Cl2 was allowed to warme from -78°C to room temp. (inert atm.);; evapd.; chromy. on silica gel, -20°C, eluent - hexane;;

DOI:10.1021/om00148a005

Reference yield: 69.0%

oxalyl dichloride (79-37-8) + tetramethylammonium(pentacarbonylbenzoyl)tungsten → pentacarbonyl(methoxyphenylmethylene)tungsten(0) (37823-96-4)

Guidance literature:

With methanol; In methanol; MeOH was added to the complex at -78°C (inert atm.);; chromy. on silica gel, -20°C, eluent - hexane;;

DOI:10.1021/om00148a005

Reference yield: 18.0%

trans-Chloro(tetracarbonyl)(phenylcarbin)wolfram → pentacarbonyl(methoxyphenylmethylene)tungsten(0) (37823-96-4)

Guidance literature:

With methanol; triethylamine; In methanol; Et3N and MeOH were added to the complex at -78°C (inert atm.);; evapd.; chromy. on silica gel, -20°C, eluent - hexane;;

DOI:10.1021/om00148a005

upstream raw materials:

tungsten amminopentacarbonyl

methoxy(phenyl)diazirine

tungsten hexacarbonyl

oxalyl dichloride

Downstream raw materials:

benzoic acid methyl ester

W(CO)5(t-BuNO)

di-t-butyldiazene N-oxide

(CO)5W(C₂₄H₁₈N₂O)*0.5C₅H₁₂

Refernces

• 1、 Bernasconi, Claude F.,Garcia-Rio, Luis. "Physical organic chemistry of transition metal carbene complexes. 19. Kinetics of reversible alkoxide ion addition to substituted (methoxyphenylcarbene)pentacarbonylchromium(0) and (methoxyphenylcarbene)pentacarbonyltungsten(0) in methanol and aqueous ace". . p. 3821 - 3829. Retrieved 2007/10/03.
• 2、 Bernasconi, Claude F.,Flores, Francis X.,Gandler, Joseph R.,Leyes, Aquiles E.. "Physical organic chemistry of transition metal carbene complexes. 4. Kinetics and equilibria of methoxide ion addition to [methoxy(phenyl)carbene]pentacarbonylchromium(0) and [methoxy(phenyl)carbene]pentacarbonyltungsten(0)". . p. 2186 - 2193. Retrieved 2008/10/08.