5-(4-Bromo-phenyl)-3-methyl-isoxazole-4-carboxylic acid

Base Information

• Chemical Name: 5-(4-Bromo-phenyl)-3-methyl-isoxazole-4-carboxylic acid
• CAS No.: 91182-60-4
• Molecular Formula: C11H8BrNO3
• Molecular Weight: 282.093
• Hs Code.: 2934999090
• Mol file: 91182-60-4.mol

Synonyms:5-(p-bromophenyl)-3-methyl-4-isoxazolecarboxylic acid; 5-(4-bromophenyl)-3-methylisoxazole-4-carboxylic acid; 5-(4-bromo-phenyl)-3-methyl-isoxazole-4-carboxylic acid

Chemical Property of 5-(4-Bromo-phenyl)-3-methyl-isoxazole-4-carboxylic acid

Chemical Property:

• Boiling Point: 409℃
• Flash Point: 201℃
• PSA: 63.33000
• Density: 1.605
• LogP: 3.11070
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

97% ^*data from raw suppliers

5-(4-Bromophenyl)-3-methylisoxazole-4-carboxylicAcid ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 5-(4-Bromo-phenyl)-3-methyl-isoxazole-4-carboxylic acid

There total 8 articles about 5-(4-Bromo-phenyl)-3-methyl-isoxazole-4-carboxylic 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: 96.0%

5-(4-bromophenyl)-3-methylisoxazole-4-carboxylic acid ethyl ester (917388-58-0) → 5-(4-bromophenyl)-3-methylisoxazole-4-carboxylic acid (91182-60-4)

Guidance literature:

5-(4-bromophenyl)-3-methylisoxazole-4-carboxylic acid ethyl ester; With lithium hydroxide; water; In tetrahydrofuran; at 20 ℃;

With oxalic acid; In water; pH=~ 4;

Reference yield: 58.0%

methyl 5-(4-bromophenyl)-3-methylisoxazole-4-carboxylate (1228689-61-9) → 5-(4-bromophenyl)-3-methylisoxazole-4-carboxylic acid (91182-60-4)

Guidance literature:

methyl 5-(4-bromophenyl)-3-methylisoxazole-4-carboxylate; With water; lithium hydroxide; In methanol; for 1h; pH=2; Inert atmosphere;

In water; pH=2;

Reference yield:

methyl 2-(4-bromobenzoyl)-3-oxo-butanoate (85963-90-2) → 5-(4-bromophenyl)-3-methylisoxazole-4-carboxylic acid (91182-60-4)

Guidance literature:

Multi-step reaction with 2 steps

1: hydroxylamine hydrochloride; acetic acid / 1 h / 115 °C

2: water; lithium hydroxide / methanol / 1 h / 60 °C

With hydroxylamine hydrochloride; water; acetic acid; lithium hydroxide; In methanol;

upstream raw materials:

2-(4-bromobenzoyl)-3-carbonylbutyrate ethyl ester

5-(4-bromophenyl)-3-methylisoxazole-4-carboxylic acid ethyl ester

methyl 5-(4-bromophenyl)-3-methylisoxazole-4-carboxylate

methyl 2-(4-bromobenzoyl)-3-oxo-butanoate

Downstream raw materials:

[5-(4-bromo-phenyl)-3-methyl-isoxazol-4-yl]-carbamic acid 1-(2-chloro-phenyl)-ethyl ester

AM₀₉₅

{4'-[3-methyl-4-((R)-1-phenyl-ethoxycarbonylamino)-isoxazol-5-yl]-biphenyl-4-yl}-acetic acid ethyl ester

(2-[4-[4-[3-methyl-4-[[(1R)-1-phenylethoxy]carbonylamino]-1,2-oxazol-5-yl]phenyl]phenyl]acetic acid) sodium salt