5-tert-Butyl-3-methyl-2-phenyl-3H-pyrrole-3-carboxylic acid ethyl ester

Base Information

• Chemical Name: 5-tert-Butyl-3-methyl-2-phenyl-3H-pyrrole-3-carboxylic acid ethyl ester
• CAS No.: 130460-28-5
• Molecular Formula: C₁₈H₂₃NO₂
• Molecular Weight: 285.386
• Mol file: 130460-28-5.mol

Synonyms:5-tert-Butyl-3-methyl-2-phenyl-3H-pyrrole-3-carboxylic acid ethyl ester

Chemical Property of 5-tert-Butyl-3-methyl-2-phenyl-3H-pyrrole-3-carboxylic acid ethyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 5-tert-Butyl-3-methyl-2-phenyl-3H-pyrrole-3-carboxylic acid ethyl ester

There total 4 articles about 5-tert-Butyl-3-methyl-2-phenyl-3H-pyrrole-3-carboxylic acid ethyl 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: 64.0%

2-Benzoyl-2,5,5-trimethyl-4-oxo-hexanoic acid ethyl ester (130459-90-4) → 5-tert-Butyl-3-methyl-2-phenyl-3H-pyrrole-3-carboxylic acid ethyl ester (130460-28-5)

Guidance literature:

With ammonium acetate; In acetic acid; for 16h; Heating;

DOI:10.1016/S0040-4020(01)81514-3

Reference yield:

2-Benzoyl-5,5-dimethyl-4-oxo-hexanoic acid ethyl ester (130460-41-2) → 5-tert-Butyl-3-methyl-2-phenyl-3H-pyrrole-3-carboxylic acid ethyl ester (130460-28-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 1) NaH / 1) DMSO, 25 deg C, 2 h, 2) 25 deg C, 16 h

2: 64 percent / ammonium acetate / acetic acid / 16 h / Heating

With ammonium acetate; sodium hydride; In acetic acid;

DOI:10.1016/S0040-4020(01)81514-3

Reference yield:

ethyl 3-oxo-3-phenylpropionate (94-02-0) → 5-tert-Butyl-3-methyl-2-phenyl-3H-pyrrole-3-carboxylic acid ethyl ester (130460-28-5)

Guidance literature:

Multi-step reaction with 3 steps

1: 57 percent / K₂CO₃ / acetone / 48 h / Heating

2: 1) NaH / 1) DMSO, 25 deg C, 2 h, 2) 25 deg C, 16 h

3: 64 percent / ammonium acetate / acetic acid / 16 h / Heating

With ammonium acetate; sodium hydride; potassium carbonate; In acetic acid; acetone;

DOI:10.1016/S0040-4020(01)81514-3

upstream raw materials:

2-Benzoyl-2,5,5-trimethyl-4-oxo-hexanoic acid ethyl ester

2-Benzoyl-5,5-dimethyl-4-oxo-hexanoic acid ethyl ester

ethyl 3-oxo-3-phenylpropionate

1-Bromopinacolon

Downstream raw materials:

5-tert-Butyl-3-methyl-2-phenyl-2H-pyrrole-2-carboxylic acid ethyl ester

5-tert-Butyl-3-methyl-2-phenyl-pyrrole-1-carboxylic acid ethyl ester

2-tert-Butyl-4-methyl-5-phenyl-1H-pyrrole-3-carboxylic acid ethyl ester