1-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole

Base Information

• Chemical Name: 1-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole
• CAS No.: 956388-05-9
• Molecular Formula: C18H25BN2O3
• Molecular Weight: 328.219
• Hs Code.: 2934999090
• Mol file: 956388-05-9.mol

Synonyms:1-(Tetrahydropyran-2-yl)-4-(4,4,5,5-tetramethyl[1,3,2]dioxaborolan-2-yl)-1H-indazole;QC-169;THP-1H-indazole boronic acid pinacol ester;1-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole;

Chemical Property of 1-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole

Chemical Property:

• Boiling Point: 480.0±35.0 °C(Predicted)
• PKA: 0.74±0.30(Predicted)
• PSA: 45.51000
• Density: 1.19±0.1 g/cm3(Predicted)
• LogP: 3.03460
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C

Purity/Quality:

97% ^*data from raw suppliers

1-(Tetrahydro-2H-pyran-2-yl)-1H-indazole-4-boronicacidpinacolester 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole

There total 4 articles about 1-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole 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: 53.0%

3,4-dihydro-2H-pyran (110-87-2) + 4-chloro-1H-indazole (13096-96-3) + bis(pinacol)diborane (73183-34-3) → 1-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole (956388-05-9) + 2-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-indazole (1146955-35-2)

Guidance literature:

3,4-dihydro-2H-pyran; 4-chloro-1H-indazole; With pyridinium p-toluenesulfonate; In n-heptane; toluene; at 40 ℃; for 11h; Inert atmosphere; Large scale;

bis(pinacol)diborane; With nickel(II) nitrate hexahydrate; triethylamine; triphenylphosphine; In methanol; at 0 - 25 ℃; for 3.5h; Inert atmosphere; Large scale;

DOI:10.1021/op3002992

Reference yield:

4-bromoindazole (186407-74-9) → 1-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole (956388-05-9)

Guidance literature:

Multi-step reaction with 2 steps

1: toluene-4-sulfonic acid / N,N-dimethyl-formamide / 70 °C

2: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; potassium acetate / 1,4-dioxane / 100 °C / Inert atmosphere

With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; potassium acetate; toluene-4-sulfonic acid; In 1,4-dioxane; N,N-dimethyl-formamide;

Reference yield:

4-chloro-1-(tetrahydro-2H-pyran-2-yl)-2H-indazole (1137278-45-5,956388-06-0,956387-86-3) + 4-chloro-2-(tetrahydro-2H-pyran-2-yl)-2H-indazole (1146955-34-1) + bis(pinacol)diborane (73183-34-3) → 1-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole (956388-05-9) + 2-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2H-indazole (1146955-35-2)

Guidance literature:

With triethylamine; triphenylphosphine; (1,5-cyclooctadiene)(cyclopentadienyl)nickel; In methanol; at 25 - 70 ℃; for 4h; Product distribution / selectivity; Inert atmosphere;

upstream raw materials:

3,4-dihydro-2H-pyran

4-chloro-1H-indazole

bis(pinacol)diborane

4-chloro-1-(tetrahydro-2H-pyran-2-yl)-2H-indazole

Downstream raw materials:

C₁₉H₂₀N₂O₂

Post a RFQ

Cas No.:

Product Name:

Quantity:

Please select Metric Ton KG G Pound L ML

Email:

Company name:

Valid Period:

Detailed Requirements:

• Sample
• MOQ
• GMP
• FDA
• Price
  FOB CIF CFR EXW
• Urgent purchase

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

Remove

Submit

1

What can I do for you?
Get Best Price

Get Best Price for 956388-05-9 1-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole

Send

Send

Metric Ton KG G Pound L ML

Send

Send