ethyl 4-[ethoxy(oxo)acetyl]-3,5-dimethyl-1H-pyrrole-2-carboxylate

Base Information

• Chemical Name: ethyl 4-[ethoxy(oxo)acetyl]-3,5-dimethyl-1H-pyrrole-2-carboxylate
• CAS No.: 21898-53-3
• Molecular Formula: C₁₃H₁₇NO₅
• Molecular Weight: 267.282
• Mol file: 21898-53-3.mol

Synonyms:Pyrrole-3-glyoxylicacid, 5-carboxy-2,4-dimethyl-, diethyl ester (8CI); NSC 157279

Chemical Property of ethyl 4-[ethoxy(oxo)acetyl]-3,5-dimethyl-1H-pyrrole-2-carboxylate

Chemical Property:

• Vapor Pressure: 8.15E-08mmHg at 25°C
• Boiling Point: 436.3°Cat760mmHg
• Flash Point: 217.7°C
• Density: 1.2g/cm³

Purity/Quality:

98% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of ethyl 4-[ethoxy(oxo)acetyl]-3,5-dimethyl-1H-pyrrole-2-carboxylate

There total 2 articles about ethyl 4-[ethoxy(oxo)acetyl]-3,5-dimethyl-1H-pyrrole-2-carboxylate 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:

ethyl 2-amino-3-oxobutanoate hydrochloride (20207-16-3) + ethyl 2,4-diketopentanoate (615-79-2) → diethyl 3-methyl-pyrrole-2,5-dicarboxylate (29170-87-4) + <2,4-Dimethyl-5-ethoxycarbonyl-pyrryl-(3)>-glyoxylsaeureester (21898-53-3)

Guidance literature:

With sodium acetate; acetic acid;

DOI:10.1093/pa/53.3.443

Reference yield:

→ <2,4-Dimethyl-5-ethoxycarbonyl-pyrryl-(3)>-glyoxylsaeureester (21898-53-3)

Guidance literature:

/BRN= 243144/;

Reference yield:

<2,4-Dimethyl-5-ethoxycarbonyl-pyrryl-(3)>-glyoxylsaeureester (21898-53-3) → 3,5-dimethyl-2-ethoxycarbonyl-1H-pyrrole-4-acetic acid ethyl ester (40345-42-4)

Guidance literature:

With ethanol; nickel; at 200 - 240 ℃; under 73550.8 Torr; Hydrogenation;

upstream raw materials:

ethyl 2-amino-3-oxobutanoate hydrochloride

ethyl 2,4-diketopentanoate

Downstream raw materials:

3,5-dimethyl-2-ethoxycarbonyl-1H-pyrrole-4-acetic acid ethyl ester

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