(E)-1-[2-fluoro-6-(trifluoromethyl)phenyl]-N-hydroxymethanimine

Base Information

• Chemical Name: (E)-1-[2-fluoro-6-(trifluoromethyl)phenyl]-N-hydroxymethanimine
• CAS No.: 581072-15-3
• Molecular Formula: C8H5F4NO
• Molecular Weight: 207.127
• Mol file: 581072-15-3.mol

Synonyms:

Chemical Property of (E)-1-[2-fluoro-6-(trifluoromethyl)phenyl]-N-hydroxymethanimine

Chemical Property:

• Vapor Pressure: 0.097mmHg at 25°C

Purity/Quality:

98% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of (E)-1-[2-fluoro-6-(trifluoromethyl)phenyl]-N-hydroxymethanimine

There total 3 articles about (E)-1-[2-fluoro-6-(trifluoromethyl)phenyl]-N-hydroxymethanimine 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: 95.2%

2-fluoro-6-(trifluoromethyl)benzaldehyde (60611-24-7) → 2-fluoro-6-(trifluoromethyl)benzaldehyde oxime (581072-15-3)

Guidance literature:

With hydroxylamine hydrochloride; sodium acetate; sodium hydroxide; In ethanol; water; at 80 - 85 ℃; Temperature; Solvent;

Reference yield: 72.0%

→ 2-fluoro-6-(trifluoromethyl)benzaldehyde oxime (581072-15-3)

Guidance literature:

Reference yield:

3-fluoro-trifluoromethylbenzene (401-80-9) → 2-fluoro-6-(trifluoromethyl)benzaldehyde oxime (581072-15-3)

Guidance literature:

Multi-step reaction with 2 steps

1.1: N,N,N,N,-tetramethylethylenediamine; N-ethyl-N,N-diisopropylamine; n-butyllithium / tetrahydrofuran / -70 - 78 °C

1.2: 20 °C

2.1: hydroxylamine hydrochloride; sodium hydroxide; sodium acetate / ethanol; water / 80 - 85 °C

With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; hydroxylamine hydrochloride; sodium acetate; N-ethyl-N,N-diisopropylamine; sodium hydroxide; In tetrahydrofuran; ethanol; water;

upstream raw materials:

2-fluoro-6-(trifluoromethyl)benzaldehyde

3-fluoro-trifluoromethylbenzene

Downstream raw materials:

(2-fluoro-6-(trifluoromethyl) phenyl)methanamine

5-(2-fluoro-3-methoxyphenyl)-1-{[2-fluoro-6-(trifluoromethyl)phenyl]methyl}-6-methylpyrimidine-2,4(1H,3H)-dione

1-{[2-fluoro-6-(trifluoromethyl)phenyl]methyl}-5-iodo-6-methylpyrimidine-2,4(1H,3H)-dione

1-[2-fluoro-6-(trifluoromethyl)benzyl]-6-methyl-2,4(1H,3H)-pyrimidinedione

Refernces

• 1、 -. "PROCESSES TO PRODUCE ELAGOLIX". Page/Page column 10; 11. . Retrieved 2019/06/23.
• 2、 -. "Synthesis method of key raw material compound C of Elagolix". Paragraph 0043-0047; 0055-0056; 0062-0063. . Retrieved 2018/06/15.