5,6-Difluoroindoline-2,3-dione

Base Information

• Chemical Name: 5,6-Difluoroindoline-2,3-dione
• CAS No.: 83684-73-5
• Molecular Formula: C₈H₃F₂NO₂
• Molecular Weight: 183.114
• Hs Code.: 2925190090
• DSSTox Substance ID: DTXSID401003691
• Nikkaji Number: J3.493.329D
• Wikidata: Q72463099
• Mol file: 83684-73-5.mol

Synonyms:5,6-Difluoroindoline-2,3-dione;5,6-Difluoroisatin;774-47-0;5,6-difluoro-1H-indole-2,3-dione;5,6-difluoro-indoline-2,3-dione;5,6-difluoro-2,3-dihydro-1H-indole-2,3-dione;1H-Indole-2,3-dione, 5,6-difluoro-;MFCD02998377;5,6-difluoroisatine;SCHEMBL1589486;5,6-difluoroindole-2,3-dione;FQIJOGDQWRLSQW-UHFFFAOYSA-N;DTXSID401003691;STK701073;AKOS000147385;CS-W002978;SB66248;5,6-Difluoro-3-hydroxy-2H-indol-2-one;AS-18678;SY012046;5,6-bis(fluoranyl)-1H-indole-2,3-dione;AM20041157;FT-0652103;EN300-53703;J3.493.329D;A840635;SR-01000487869;5 pound not6-difluoro-indoline-2 pound not3-dione;J-516522;SR-01000487869-1;Z247609852

Chemical Property of 5,6-Difluoroindoline-2,3-dione

Chemical Property:

• Refractive Index: 1.558
• PKA: 7.67±0.20(Predicted)
• PSA: 46.17000
• Density: 1.578 g/cm³
• LogP: 1.23760
• Storage Temp.: 2-8°C
• XLogP3: 1
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 0
• Exact Mass: 183.01318466
• Heavy Atom Count: 13
• Complexity: 269

Purity/Quality:

97% ^*data from raw suppliers

5,6-Difluoroisoindoline-1,3-dione ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=C2C(=CC(=C1F)F)NC(=O)C2=O

Technology Process of 5,6-Difluoroindoline-2,3-dione

There total 1 articles about 5,6-Difluoroindoline-2,3-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: 74.8%

4,5-difluorophthalic anhydride (18959-30-3) → 5,6-difluoroisoindoline-1,3-dione (83684-73-5)

Guidance literature:

With formamide; at 130 ℃; for 2h;

Reference yield:

5,6-difluoroisoindoline-1,3-dione (83684-73-5) → 5,6-difluoroisoindolin-1-one (1192040-50-8)

Guidance literature:

Multi-step reaction with 2 steps

1: ethanol; sodium tetrahydroborate / 0 - 20 °C

2: trifluoroacetic acid; triethylsilane / dichloromethane / 20 °C

With triethylsilane; sodium tetrahydroborate; ethanol; trifluoroacetic acid; In dichloromethane;

upstream raw materials:

4,5-difluorophthalic anhydride

Downstream raw materials:

5,6-difluoroisoindolin-1-one