(3E)-1-(3-chloro-4-fluorophenyl)-3-(ethoxymethylidene)pyrrolidine-2,5-dione

Base Information

• Chemical Name: (3E)-1-(3-chloro-4-fluorophenyl)-3-(ethoxymethylidene)pyrrolidine-2,5-dione
• CAS No.: 74894-65-8
• Molecular Formula: C₁₃H₁₁ClFNO₃
• Molecular Weight: 283.687
• NSC Number: 282698
• DSSTox Substance ID: DTXSID90421609
• Wikidata: Q82233178

Synonyms:NSC282698;74894-65-8;DTXSID90421609;NSC-282698

Chemical Property of (3E)-1-(3-chloro-4-fluorophenyl)-3-(ethoxymethylidene)pyrrolidine-2,5-dione

Chemical Property:

• Vapor Pressure: 4.13E-07mmHg at 25°C
• Boiling Point: 415.4°Cat760mmHg
• Flash Point: 205°C
• Density: 1.468g/cm³
• XLogP3: 2.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 3
• Exact Mass: 283.0411491
• Heavy Atom Count: 19
• Complexity: 413

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCOC=C1CC(=O)N(C1=O)C2=CC(=C(C=C2)F)Cl
• Isomeric SMILES: CCO/C=C/1\CC(=O)N(C1=O)C2=CC(=C(C=C2)F)Cl

Technology Process of (3E)-1-(3-chloro-4-fluorophenyl)-3-(ethoxymethylidene)pyrrolidine-2,5-dione

There total 1 articles about (3E)-1-(3-chloro-4-fluorophenyl)-3-(ethoxymethylidene)pyrrolidine-2,5-dione 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: 34.0%

ethanol (64-17-5) + 1-(3-chloro-4-fluorophenyl)-1H-pyrrole-2,5-dione (134220-37-4) + pyridinium p-toluenesulfonylmethylide (62456-03-5) → 1-(3-Chloro-4-fluoro-phenyl)-3-[1-ethoxy-meth-(E)-ylidene]-pyrrolidine-2,5-dione (74894-65-8)

Guidance literature:

With triethylamine;

DOI:10.1016/S0040-4039(00)71451-1

upstream raw materials:

ethanol

1-(3-chloro-4-fluorophenyl)-1H-pyrrole-2,5-dione

pyridinium p-toluenesulfonylmethylide

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