4-methoxy-2-methyl-5-[2-methylsulfanyl-4-(trifluoromethyl)phenyl]pyridazin-3-one

Base Information

• Chemical Name: 4-methoxy-2-methyl-5-[2-methylsulfanyl-4-(trifluoromethyl)phenyl]pyridazin-3-one
• CAS No.: 1429873-90-4
• Molecular Formula: C₁₄H₁₃F₃N₂O₂S
• Molecular Weight: 330.331
• Mol file: 1429873-90-4.mol

Synonyms:4-methoxy-2-methyl-5-[2-methylsulfanyl-4-(trifluoromethyl)phenyl]pyridazin-3-one

Chemical Property of 4-methoxy-2-methyl-5-[2-methylsulfanyl-4-(trifluoromethyl)phenyl]pyridazin-3-one

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4-methoxy-2-methyl-5-[2-methylsulfanyl-4-(trifluoromethyl)phenyl]pyridazin-3-one

There total 3 articles about 4-methoxy-2-methyl-5-[2-methylsulfanyl-4-(trifluoromethyl)phenyl]pyridazin-3-one 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:

4-methoxy-2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridazin-3-one + 1-bromo-2-methylsulfanyl-4-(trifluoromethyl)benzene (142994-07-8) → 4-methoxy-2-methyl-5-[2-methylsulfanyl-4-(trifluoromethyl)phenyl]pyridazin-3-one (1429873-90-4)

Guidance literature:

With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; cesium fluoride; In 1,2-dimethoxyethane; at 160 ℃; for 0.25h; Microwave irradiation;

Reference yield:

5-chloro-4-methoxy-2-methyl-3(2H)-pyridazinone (77541-59-4) + 1-bromo-2-methylsulfanyl-4-(trifluoromethyl)benzene (142994-07-8) + tricyclohexylphosphine (2622-14-2) → 4-methoxy-2-methyl-5-[2-methylsulfanyl-4-(trifluoromethyl)phenyl]pyridazin-3-one (1429873-90-4)

Guidance literature:

With tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; In 1,4-dioxane; 1,2-dimethoxyethane;

Reference yield:

4,5-dichloro-2-methyl-3(2H)-pyridazinone (933-76-6) → 4-methoxy-2-methyl-5-[2-methylsulfanyl-4-(trifluoromethyl)phenyl]pyridazin-3-one (1429873-90-4)

Guidance literature:

Multi-step reaction with 3 steps

1: 1,4-dioxane / 1 h / 20 °C

2: tricyclohexylphosphine; potassium acetate; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾ / 1,4-dioxane / 0.25 h / 150 °C / Microwave irradiation

3: cesium fluoride; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂ / 1,2-dimethoxyethane / 0.25 h / 160 °C / Microwave irradiation

With tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; potassium acetate; cesium fluoride; tricyclohexylphosphine; In 1,4-dioxane; 1,2-dimethoxyethane;

upstream raw materials:

1-bromo-2-methylsulfanyl-4-(trifluoromethyl)benzene

4,5-dichloro-2-methyl-3(2H)-pyridazinone

5-chloro-4-methoxy-2-methyl-3(2H)-pyridazinone

tricyclohexylphosphine

Downstream raw materials:

4-hydroxy-2-methyl-5-[2-methylsulfonyl-4-(trifluoromethyl)phenyl]pyridazin-3-one

[2-methyl-5-[2-methylsulfonyl-4-(trifluoromethyl)phenyl]-3-oxo-pyridazin-4-yl] 4-methylbenzenesulfonate

4-methoxy-2-methyl-5-[2-methylsulfonyl-4-(trifluoromethyl)phenyl]pyridazin-3-one

[2-methyl-5-[2-methylsulfonyl-4-(trifluoromethyl)phenyl]-3-oxo-pyridazin-4-yl] acetate