1H-Indazole,5-bromo-4-fluoro-

Base Information

• Chemical Name: 1H-Indazole,5-bromo-4-fluoro-
• CAS No.: 1082041-85-7
• Molecular Formula: C7H4BrFN2
• Molecular Weight: 215.0224632
• Hs Code.: 2933998090
• Mol file: 1082041-85-7.mol

Synonyms:1H-Indazole,5-broMo-4-fluoro-

Chemical Property of 1H-Indazole,5-bromo-4-fluoro-

Chemical Property:

• Boiling Point: 332.2±22.0 °C(Predicted)
• PKA: 11.95±0.40(Predicted)
• PSA: 28.68000
• Density: 1.861±0.06 g/cm3(Predicted)
• LogP: 2.46450
• Storage Temp.: Keep in dark place,Sealed in dry,Room Temperature

Purity/Quality:

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

5-Bromo-4-fluoro-1H-indazole ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1H-Indazole,5-bromo-4-fluoro-

There total 4 articles about 1H-Indazole,5-bromo-4-fluoro- 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: 86.0%

→ 5-bromo-4-fluoro-1H-indazole (1082041-85-7)

Guidance literature:

With hydrogenchloride; potassium acetate; sodium nitrite; In chloroform; at 20 ℃; Cooling with ice;

Reference yield: 81.0%

1-(5-bromo-4-fluoro-1H-indazol-1-yl)ethanone → 5-bromo-4-fluoro-1H-indazole (1082041-85-7)

Guidance literature:

With potassium hydrogencarbonate; In methanol; water; at 20 ℃; for 12h; Reagent/catalyst;

Reference yield: 74.0%

4-bromo-3-fluoro-2-methylbenzenamine (127408-03-1) → 5-bromo-4-fluoro-1H-indazole (1082041-85-7)

Guidance literature:

With acetic acid; sodium nitrite; at 10 - 25 ℃; for 4h;

DOI:10.1021/acsmedchemlett.0c00667

upstream raw materials:

3-fluoro-2-methylaniline

4-bromo-3-fluoro-2-methylbenzenamine

Downstream raw materials:

5-bromo-4-fluoro-3-iodo-1H-indazole

4-fluoro-5-(2-trifluoromethylphenyl)-1H-indazole

Refernces

• 1、 -. "COMPOUNDS FOR USE IN THE TREATMENT OF FASCIOLIASIS". . . Retrieved 2020/02/22.
• 2、 -. "PYRIDIN-2-ONE DERIVATIVES OF FORMULA (II) USEFUL AS EP3 RECEPTOR ANTAGONISTS". . . Retrieved 2019/02/24.