1H-Pyrrole-2,5-dione, 3,4-diethyl-

Base Information

• Chemical Name: 1H-Pyrrole-2,5-dione, 3,4-diethyl-
• CAS No.: 34085-07-9
• Molecular Formula: C8H11NO2
• Molecular Weight: 153.17800

Synonyms:diethylmaleimide;1H-Pyrrole-2,5-dione,3,4-diethyl;3,4-diethyl-2,5-dihydro-1H-pyrrole-2,5-dione;3,4-diethyl-pyrrole-2,5-dione;2,3-diethylMi;3,4-diethyl-maleimide;3,4-Diethyl-1H-pyrrole-2,5-dione;3,4-diethylmaleinimide;

Chemical Property of 1H-Pyrrole-2,5-dione, 3,4-diethyl-

Chemical Property:

• Melting Point: 68 °C
• Boiling Point: 268.6±9.0 °C(Predicted)
• PSA: 49.66000
• Density: 1.077±0.06 g/cm3(Predicted)
• LogP: 1.03530

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1H-Pyrrole-2,5-dione, 3,4-diethyl-

There total 2 articles about 1H-Pyrrole-2,5-dione, 3,4-diethyl- 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: 60.0%

3,4-diethyl-5-(4-ethyl-3,5-dimethylpyrrolyl-2-methylidene)-3-pyrrolin-2-one (63720-62-7) → 3,5-dimethyl-4-propylpyrrole-2-carbaldehyde (157528-36-4) + 3,4-diethyl-2,5-dihydro-1H-pyrrole-2,5-dione (34085-07-9) + 4-ethyl-5-methoxy-3,5-dimethyl-3-pyrrolin-2-one (37530-23-7) + 3,4-diethyl-5-(3,5-dimethyl-4-ethyl-5-methoxy-2H-pyrrolyl-2-methylidene)-3-pyrrolin-2-one (87776-11-2)

Guidance literature:

In methanol; for 50h; Ambient temperature; Irradiation; in the presence of Rose Bengal too;

DOI:10.1016/S0040-4020(01)88703-2

Reference yield:

2,3,7,8,12,13,17,18-octaethyloxophlorin (14287-39-9) → 2,3,7,8,12,13,17,18-octaethyl-5,15-dioxo-5,15-dihydroporphyrin (33274-36-1) + octaethylbiliverdin (35050-46-5) + 3,4-diethyl-2,5-dihydro-1H-pyrrole-2,5-dione (34085-07-9) + 2,3,7,8,12,13,17,18-octaethyl-19-formyl-21H,24H-bilin-1,15-dione (113434-77-8) + 5-(3,4-diethyl-5-hydroxy-2-oxo-2,5-dihydropyrrol-5-ylmethylene)-3,4-diethylpyrrol-2(5H)-one (111396-92-0) + 5-(3,4-diethyl-5-methoxy-2-oxo-2,5-dihydropyrrol-5-ylmethylene)-3,4-diethylpyrrol-2(5H)-one (111396-93-1)

Guidance literature:

In tetrahydrofuran; methanol; for 70h; Product distribution; Irradiation; various time of irradiation, and solvent mixture;

upstream raw materials:

3,4-diethyl-5-(4-ethyl-3,5-dimethylpyrrolyl-2-methylidene)-3-pyrrolin-2-one

2,3,7,8,12,13,17,18-octaethyloxophlorin

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