1-(2-(Methylsulfonyl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

Base Information

• Chemical Name: 1-(2-(Methylsulfonyl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
• CAS No.: 1339892-52-2
• Molecular Formula: C12H21BN2O4S
• Molecular Weight: 300.187
• Mol file: 1339892-52-2.mol

Synonyms:1-(2-(Methylsulfonyl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;1-(2-methanesulfonylethyl)-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

Chemical Property of 1-(2-(Methylsulfonyl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

Chemical Property:

• Boiling Point: 487.9±25.0 °C(Predicted)
• PKA: 1.62±0.10(Predicted)
• PSA: 78.80000
• Density: 1.20±0.1 g/cm3(Predicted)
• LogP: 1.30770
• Storage Temp.: 2-8°C

Purity/Quality:

99%, ^*data from raw suppliers

(1-(2-(Methylsulfonyl)Ethyl)-1h-Pyrazol-4-Yl)BoronicAcidPinacolEster ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1-(2-(Methylsulfonyl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

There total 1 articles about 1-(2-(Methylsulfonyl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 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: 68.0%

pyrazole-4-boronic acid pinacol ester (269410-08-4) + methyl ethenyl sulphone (3680-02-2) → 1-(2-(methylsulfonyl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (1339892-52-2)

Guidance literature:

With 1,8-diazabicyclo[5.4.0]undec-7-ene; In acetonitrile; at 90 ℃; for 8h;

Reference yield: 54.04%

1-(2-(methylsulfonyl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (1339892-52-2) + N-(3-((7-bromo-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazin-2-yl)oxy)phenyl)acrylamide → N-(3-((7-(1-(2-(methylsulfonyl)ethyl)-1H-pyrazol-4-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazin-2-yl)oxy)phenyl)acrylamide

Guidance literature:

With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; potassium carbonate; In 1,4-dioxane; water; at 120 ℃; for 1.5h; Inert atmosphere; Microwave irradiation;

Reference yield:

1-(2-(methylsulfonyl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (1339892-52-2) + tert-butyl (3-bromo-1-((1s,4s)-4-((3-methylpyrazin-2-yl)oxy)cyclohexyl)-1H-pyrazolo[4,3-c]pyridin-6-yl)(methyl)carbamate → N-methyl-1-((1s,4s)-4-((3-methylpyrazin-2-yl)oxy)cyclohexyl)-3-(1-(2-(methylsulfonyl)ethyl)-1H-pyrazol-4-yl)-1H-pyrazolo[4,3-c]pyridin-6-amine

Guidance literature:

1-(2-(methylsulfonyl)ethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole; tert-butyl (3-bromo-1-((1s,4s)-4-((3-methylpyrazin-2-yl)oxy)cyclohexyl)-1H-pyrazolo[4,3-c]pyridin-6-yl)(methyl)carbamate; With tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate; In 1,4-dioxane; at 85 ℃; for 6h;

With trifluoroacetic acid; In dichloromethane; for 1h;

upstream raw materials:

pyrazole-4-boronic acid pinacol ester

methyl ethenyl sulphone

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