CARBAMIC ACID, (2-FLUORO-4-METHYLPHENYL)-, 1,1-DIMETHYLETHYL ESTER

Base Information

• Chemical Name: CARBAMIC ACID, (2-FLUORO-4-METHYLPHENYL)-, 1,1-DIMETHYLETHYL ESTER
• CAS No.: 323578-35-4
• Molecular Formula: C12H16FNO2
• Molecular Weight: 225.263
• Mol file: 323578-35-4.mol

Synonyms:CARBAMIC ACID, (2-FLUORO-4-METHYLPHENYL)-, 1,1-DIMETHYLETHYL ESTER;tert-Butyl 2-fluoro-4-methylphenylcarbamate;Carbamic acid,(2-fluoro-4-methylphenyl)-,1,1-dimethylethyl ester (9Cl)

Chemical Property of CARBAMIC ACID, (2-FLUORO-4-METHYLPHENYL)-, 1,1-DIMETHYLETHYL ESTER

Chemical Property:

• PSA: 38.33000
• LogP: 3.55410

Purity/Quality:

98%Min ^*data from raw suppliers

Carbamicacid,(2-fluoro-4-methylphenyl)-,1,1-dimethylethylester(9Cl) 95 ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of CARBAMIC ACID, (2-FLUORO-4-METHYLPHENYL)-, 1,1-DIMETHYLETHYL ESTER

There total 2 articles about CARBAMIC ACID, (2-FLUORO-4-METHYLPHENYL)-, 1,1-DIMETHYLETHYL 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: 67.0%

di-tert-butyl dicarbonate (24424-99-5) + 2-fluoro-4-methylaniline (452-80-2) → tert-butyl 2-fluoro-4-methylphenylcarbamate (323578-35-4)

Guidance literature:

In tetrahydrofuran; at 60 ℃;

Reference yield:

2-fluoro-4-methyl-1-nitrobenzene (446-34-4) → tert-butyl 2-fluoro-4-methylphenylcarbamate (323578-35-4)

Guidance literature:

Multi-step reaction with 2 steps

1: H₂ / 10percent Pd/C / ethanol / 3 h / 760.05 Torr

2: dioxane / 48 h / 100 °C

With hydrogen; 10percent Pd/C; In 1,4-dioxane; ethanol;

DOI:10.1021/jm0003135

Reference yield: 66.0%

tert-butyl 2-fluoro-4-methylphenylcarbamate (323578-35-4) + methyl iodide (74-88-4) → tert-butyl 2-fluoro-4-methylphenyl(methyl)carbamate

Guidance literature:

tert-butyl 2-fluoro-4-methylphenylcarbamate; With sodium hydride; In tetrahydrofuran; at 0 ℃; for 0.5h;

methyl iodide; In tetrahydrofuran; at 20 ℃;

upstream raw materials:

di-tert-butyl dicarbonate

2-fluoro-4-methylaniline

2-fluoro-4-methyl-1-nitrobenzene

Downstream raw materials:

tert-butyl (4-(bromomethyl)-2-fluorophenyl)carbamate

(2R)-N-[1-(4-tert-butoxycarbonylamino-3-fluorobenzyl)piperidin-4-yl]-2-[(1R)-3,3-difluorocyclopentyl]-2-hydroxy-2-phenylacetamide