8-isoquinolinyl-boronic acid

Base Information

• Chemical Name: 8-isoquinolinyl-boronic acid
• CAS No.: 721401-43-0
• Molecular Formula: C9H8 B N O2
• Molecular Weight: 172.979
• Hs Code.: 2933499090
• Mol file: 721401-43-0.mol

Synonyms:8-isoquinolinyl-boronic acid;Isoquinolin-8-ylboronic acid

Chemical Property of 8-isoquinolinyl-boronic acid

Chemical Property:

• Vapor Pressure: 8.96E-08mmHg at 25°C
• Refractive Index: 1.644
• Boiling Point: 419.1°C at 760 mmHg
• PKA: 7.46±0.30(Predicted)
• Flash Point: 207.3°C
• PSA: 53.35000
• Density: 1.28g/cm³
• LogP: -0.08540
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C

Purity/Quality:

98%,99%, ^*data from raw suppliers

Isoquinonline-8-boronic acid ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 8-isoquinolinyl-boronic acid

There total 2 articles about 8-isoquinolinyl-boronic acid 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: 41.0%

8-bromo-isoquinoline (63927-22-0) + Trimethyl borate (121-43-7,63156-11-6) → isoquinolin-8-ylboronic acid (721401-43-0)

Guidance literature:

8-bromo-isoquinoline; With n-butyllithium; In tetrahydrofuran; at -78 ℃; for 1h; Inert atmosphere;

Trimethyl borate; In tetrahydrofuran; at 0 ℃; for 1h;

Reference yield: 39.0%

8-bromo-isoquinoline (63927-22-0) → isoquinolin-8-ylboronic acid (721401-43-0)

Guidance literature:

8-bromo-isoquinoline; With n-butyllithium; In tetrahydrofuran; pentane; at -78 ℃; for 0.75h; Inert atmosphere;

With Trimethyl borate; In tetrahydrofuran; pentane; at -78 - 20 ℃; Inert atmosphere;

DOI:10.1002/chem.201000637

Reference yield: 20.0%

isoquinolin-8-ylboronic acid (721401-43-0) + methyl 4-methyl-3-hydroxybenzoate (3556-86-3) → C18H15NO3

Guidance literature:

With copper diacetate; triethylamine; In dichloromethane; at 20 ℃; for 72h; Molecular sieve;

upstream raw materials:

8-bromo-isoquinoline

Trimethyl borate

Refernces

• 1、 -. "HETEROCYCLIC INHIBITORS OF PCSK9". Page/Page column 93. . Retrieved 2018/10/24.