{2-(3(E)-(4-methylbenzylidene)-1-methyl-4-(4-methylphenyl)azetidinylidene)}-pentacarbonylchromium⁽⁰⁾

Base Information

• Chemical Name: {2-(3(E)-(4-methylbenzylidene)-1-methyl-4-(4-methylphenyl)azetidinylidene)}-pentacarbonylchromium⁽⁰⁾
• CAS No.: 97879-07-7
• Molecular Formula: C₂₄H₁₉CrNO₅
• Molecular Weight: 453.415

Synonyms:

Chemical Property of {2-(3(E)-(4-methylbenzylidene)-1-methyl-4-(4-methylphenyl)azetidinylidene)}-pentacarbonylchromium⁽⁰⁾

Chemical Property:

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Technology Process of {2-(3(E)-(4-methylbenzylidene)-1-methyl-4-(4-methylphenyl)azetidinylidene)}-pentacarbonylchromium⁽⁰⁾

There total 1 articles about {2-(3(E)-(4-methylbenzylidene)-1-methyl-4-(4-methylphenyl)azetidinylidene)}-pentacarbonylchromium⁽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: 8.0%

pentacarbonyl((methyl)((tetramethylammonio)oxy)carbene)chromium(0) (15975-93-6) + p-methylbenzylidene-methylamine (17972-13-3,29086-13-3,53699-34-6) → {2-(3(E)-(4-methylbenzylidene)-1-methyl-4-(4-methylphenyl)azetidinylidene)}-pentacarbonylchromium(0) (97879-07-7)

Guidance literature:

With toluene-4-sulfonyl chloride; t-butyl alcohol; In dichloromethane; Chromium compound is dissolved at room temp. and a soln. of TsCl is added dropwise with stirring (N2). After 10 min the imine is added dropwise and stirring is continued for 5 min. t-BuOH is added dropwise, and the mixture is stirred for 3.5 h.; removal of solvent, chromy. on silica (hexane/Et2O);

Reference yield: 81.0%

pyridine N-oxide (694-59-7) + {2-(3(E)-(4-methylbenzylidene)-1-methyl-4-(4-methylphenyl)azetidinylidene)}-pentacarbonylchromium(0) (97879-07-7) → (E)-3-(4-methylbenzylidene)-1-methyl-4-(4-methylphenyl)-2-azetidinone (97879-04-4)

Guidance literature:

In dichloromethane; A soln. of chromium compound is added to pyridine N-oxide and stirred overnight at room temp.; evapn. of solvent, chromy. (Et2O); elem. anal., mp, IR, NMR, UV, MS;

upstream raw materials:

pentacarbonyl((methyl)((tetramethylammonio)oxy)carbene)chromium⁽⁰⁾

p-methylbenzylidene-methylamine

Downstream raw materials:

(E)-3-(4-methylbenzylidene)-1-methyl-4-(4-methylphenyl)-2-azetidinone

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