3,4-DIHYDRO-5-(2-HYDROXY-5-METHYLPHENYL)-2H-PYRROLE-2-CARBOXYLIC ACID, HYDROCHLORIDE SALT (RACEMIC)

Base Information

• Chemical Name: 3,4-DIHYDRO-5-(2-HYDROXY-5-METHYLPHENYL)-2H-PYRROLE-2-CARBOXYLIC ACID, HYDROCHLORIDE SALT (RACEMIC)
• CAS No.: 220541-97-9
• Molecular Formula: C₁₂H₁₃NO₃*ClH
• Molecular Weight: 255.701
• Mol file: 220541-97-9.mol

Synonyms:3,4-DIHYDRO-5-(2-HYDROXY-5-METHYLPHENYL)-2H-PYRROLE-2-CARBOXYLIC ACID, HYDROCHLORIDE SALT (RACEMIC)

Chemical Property of 3,4-DIHYDRO-5-(2-HYDROXY-5-METHYLPHENYL)-2H-PYRROLE-2-CARBOXYLIC ACID, HYDROCHLORIDE SALT (RACEMIC)

Chemical Property:

• PSA: 69.89000
• LogP: 1.97430

Purity/Quality:

95% ^*data from raw suppliers

3,4-DIHYDRO-5-(2-HYDROXY-5-METHYL PHENYL)-2H-PYRROLE-2-CARBOXYLIC ACID HYDROCHLORIDE SALT 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3,4-DIHYDRO-5-(2-HYDROXY-5-METHYLPHENYL)-2H-PYRROLE-2-CARBOXYLIC ACID, HYDROCHLORIDE SALT (RACEMIC)

There total 4 articles about 3,4-DIHYDRO-5-(2-HYDROXY-5-METHYLPHENYL)-2H-PYRROLE-2-CARBOXYLIC ACID, HYDROCHLORIDE SALT (RACEMIC) 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: 100.0%

diethyl (acetylamino)<3-(2-hydroxy-5-methylphenyl)-3-oxopropyl>propanedioate (220542-05-2) → 5-(2-hydroxy-5-methyl-phenyl)-3,4-dihydro-2H-pyrrole-2-carboxylic acid; hydrochloride (220541-97-9)

Guidance literature:

With hydrogenchloride; for 15h; Heating;

DOI:10.1021/jm980340j

Reference yield:

p-cresol (106-44-5) → 5-(2-hydroxy-5-methyl-phenyl)-3,4-dihydro-2H-pyrrole-2-carboxylic acid; hydrochloride (220541-97-9)

Guidance literature:

Multi-step reaction with 4 steps

1: 55 percent / CH₂Cl₂ / 24 h / 0 - 20 °C

2: 79 percent / AlCl₃ / 1.15 h / 90 - 95 °C

3: 89 percent / EtONa / ethanol / 18 h / Ambient temperature; Irradiation

4: 100 percent / conc. HCl / 15 h / Heating

With hydrogenchloride; aluminium trichloride; sodium ethanolate; In ethanol; dichloromethane;

DOI:10.1021/jm980340j

Reference yield:

3-chloro-1-(2-hydroxy-5-methylphenyl)propan-1-one (13102-87-9) → 5-(2-hydroxy-5-methyl-phenyl)-3,4-dihydro-2H-pyrrole-2-carboxylic acid; hydrochloride (220541-97-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 89 percent / EtONa / ethanol / 18 h / Ambient temperature; Irradiation

2: 100 percent / conc. HCl / 15 h / Heating

With hydrogenchloride; sodium ethanolate; In ethanol;

DOI:10.1021/jm980340j

upstream raw materials:

diethyl (acetylamino)<3-(2-hydroxy-5-methylphenyl)-3-oxopropyl>propanedioate

p-cresol

3-chloro-1-(2-hydroxy-5-methylphenyl)propan-1-one

4-methylphenyl-3-chloropropanoate

Refernces