1H-Pyrrole-2,4-dicarboxylicacid, 5,5'-methylenebis[3-methyl-, tetraethyl ester (9CI)

Base Information

• Chemical Name: 1H-Pyrrole-2,4-dicarboxylicacid, 5,5'-methylenebis[3-methyl-, tetraethyl ester (9CI)
• CAS No.: 5431-96-9
• Molecular Formula: C23H30 N2 O8
• Molecular Weight: 462.5

Synonyms:Pyrrole-2,4-dicarboxylicacid, 5,5'-methylenebis[3-methyl-, tetraethyl ester (6CI,7CI,8CI); NSC 13668

Chemical Property of 1H-Pyrrole-2,4-dicarboxylicacid, 5,5'-methylenebis[3-methyl-, tetraethyl ester (9CI)

Chemical Property:

• Boiling Point: 662.5°Cat760mmHg
• Flash Point: 354.4°C
• Density: 1.231g/cm³

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1H-Pyrrole-2,4-dicarboxylicacid, 5,5'-methylenebis[3-methyl-, tetraethyl ester (9CI)

There total 1 articles about 1H-Pyrrole-2,4-dicarboxylicacid, 5,5'-methylenebis[3-methyl-, tetraethyl ester (9CI) 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:

para-xylene (106-42-3) + diethyl 5-(bromomethyl)-3-methylpyrrole-2,4-dicarboxylate (57745-26-3) → diethyl 2,4-dimethylpyrrole-3,5-dicarboxylate (2436-79-5) + <3,3',5,5'-tetrakis(ethoxycarbonyl)-4,4'-dimethyl-2,2'-dipyrryl>methane (5431-96-9) + diethyl 3-methyl-5-(p-xylylmethyl)pyrrole-2,4-dicarboxylate (83633-42-5)

Guidance literature:

for 24h; Heating; other (α-halomethyl)pyrroles; other symmetrically substituted methylbenzenes; various solvents;

DOI:10.1021/jo00147a040

Reference yield:

<3,3',5,5'-tetrakis(ethoxycarbonyl)-4,4'-dimethyl-2,2'-dipyrryl>methane (5431-96-9) → 3-methylpyrrole (616-43-3) + 2,4-dimethyl-1H-pyrrole (625-82-1)

Guidance literature:

With sodium hydroxide; Erhitzen der eingeengten Reaktionsloesung mit 50%ig. wss. Kalilauge in einem Kupfer-Gefaess;

Reference yield:

hydrogen iodide (10034-85-2) + <3,3',5,5'-tetrakis(ethoxycarbonyl)-4,4'-dimethyl-2,2'-dipyrryl>methane (5431-96-9) + acetic acid (64-19-7,77671-22-8) → 2,4-dimethyl-1H-pyrrole (625-82-1)

Guidance literature:

upstream raw materials:

para-xylene

diethyl 5-(bromomethyl)-3-methylpyrrole-2,4-dicarboxylate

Downstream raw materials:

3-methylpyrrole

2,4-dimethyl-1H-pyrrole

3,3'-bisethoxycarbonyl-4,4'-dimethyl-2,2'-dipyrrolylmethane-5,5'-dicarboxylic acid

3,7-bis(ethoxycarbonyl)-2,8-dimethyl-dipyrromethane

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