2-Oxo-2,3-dihydro-1H-benzoimidazole-5-boronic acid, pinacol ester

Base Information

• Chemical Name: 2-Oxo-2,3-dihydro-1H-benzoimidazole-5-boronic acid, pinacol ester
• CAS No.: 710348-69-9
• Molecular Formula: C13H17 B N2 O3
• Molecular Weight: 260.101
• Hs Code.: 2934999090
• Mol file: 710348-69-9.mol

Synonyms:5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-dihydro-2H-benzimidazol-2-one;5-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-1,3-dihydrobenzimidazol-2-one

Chemical Property of 2-Oxo-2,3-dihydro-1H-benzoimidazole-5-boronic acid, pinacol ester

Chemical Property:

• Vapor Pressure: 0.000867mmHg at 25°C
• Refractive Index: 1.561
• Boiling Point: 304.6°C at 760 mmHg
• Flash Point: 138°C
• PSA: 67.11000
• Density: 1.21g/cm³
• LogP: 1.15540
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C

Purity/Quality:

99%, ^*data from raw suppliers

2-Hydroxybenzimidazole-5-boronicacid,pinacolester ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-Oxo-2,3-dihydro-1H-benzoimidazole-5-boronic acid, pinacol ester

There total 6 articles about 2-Oxo-2,3-dihydro-1H-benzoimidazole-5-boronic acid, pinacol ester 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: 97.0%

5-bromo-1,3-dihydro-benzoimidazol-2-one (39513-26-3) + bis(pinacol)diborane (73183-34-3) → 5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-1,3-dihydro-2H-benzo[d]imidazol-2-one (710348-69-9)

Guidance literature:

With dichloro bis((p-dimethylaminophenyl)-?-di-tert-butylphosphine)palladium(II); potassium acetate; In 1,2-dimethoxyethane; at 85 - 95 ℃; for 14h; Inert atmosphere;

DOI:10.1021/jacs.1c07060

Reference yield: 63.2%

4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)benzene-1,2-diamine (851883-08-4) + 1,1'-carbonyldiimidazole (530-62-1) → 5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-1,3-dihydro-2H-benzo[d]imidazol-2-one (710348-69-9)

Guidance literature:

In ethyl acetate; at 23 ℃; for 16h;

Reference yield: 21.0%

→ 5-(4,4,5,5-tetramethyl-1 ,3,2-dioxaborolan-2-yl)-1,3-dihydro-2H-benzo[d]imidazol-2-one (710348-69-9)

Guidance literature:

upstream raw materials:

5-bromo-1,3-dihydro-benzoimidazol-2-one

bis(pinacol)diborane

4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)benzene-1,2-diamine

1,1'-carbonyldiimidazole

Downstream raw materials:

5-[1-(1-benzyl-piperidin-4-yl)-4-morpholin-4-yl-1H-pyrazolo[3,4-d]pyrimidin-6-yl]-1,3-dihydro-benzoimidazol-2-one

3-(2-bromobenzyl)-7-chloro-1-methyl-5-(2-oxo-2,3-dihydro-1H-benzo[d]imidazol-5-yl)-1H-benzo[e][1,4]diazepin-2(3H)-one

2-chloro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[d]imidazole

N-phenyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[d]imidazol-2-amine

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