2-(5,6-difluoro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile

Base Information

Chemical Name:2-(5,6-difluoro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile
CAS No.:2083617-82-5
Molecular Formula:C₁₂H₄F₂N₂O
Molecular Weight:230.173
Hs Code.:
Mol file:2083617-82-5.mol

Synonyms:

Suppliers and Price of 2-(5,6-difluoro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Crysdot
2-(5,6-Difluoro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile 95%
1g
$ 385.00

Crysdot
2-(5,6-Difluoro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile 95%
250mg
$ 225.00

AK Scientific
2-(5,6-Difluoro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile
1g
$ 593.00

Total 30 raw suppliers

Chemical Property of 2-(5,6-difluoro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile

Chemical Property:

Boiling Point:415.1±45.0 °C(Predicted)
Density:1.513±0.06 g/cm3(Predicted)

Purity/Quality:

99%, ^*data from raw suppliers

2-(5,6-Difluoro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile 95% ^*data from reagent suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Description 2FIC, namely 2-(5,6-Difluoro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile, is electron deficient. It is used as a building block to prepare non-fullerene acceptors (NFAs) such as ITIC-2F, IHIC-2F, IEIC-2F, IXIC-2F for highly efficient organic photovoltaic devices.
Uses 2-(5,6-Difluoro-2,3-dihydro-3-oxo-1H-inden-1-ylidene)propanedinitrile is incorporated into the core of photovoltaic devices to achieve higher current and reduced energy loss for nonfullerene solar cells.

Technology Process of 2-(5,6-difluoro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile

There total 4 articles about 2-(5,6-difluoro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile 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: 80.0%

: 1454686-04-4
5,6-difluoro-1H-indene-1,3-(2H)-dione

: 109-77-3
malononitrile

: 2083617-82-5
2–(5,6–difluoro–3–oxo–2,3–dihydro–1H–inden–1–ylidene)malononitrile

Guidance literature:: With sodium acetate; In ethanol; Reflux;
DOI:10.1002/anie.202107774

Reference yield:

: 56962-08-4
4,5-dichlorophthalic acid

: 2083617-82-5
2–(5,6–difluoro–3–oxo–2,3–dihydro–1H–inden–1–ylidene)malononitrile

Guidance literature:: Multi-step reaction with 4 steps

1: acetic anhydride / 6 h / Reflux

2: potassium fluoride / sulfolane / 3 h / 185 °C / Inert atmosphere

3: trimethylamine; acetic anhydride / 20 °C / Inert atmosphere

4: sodium acetate / ethanol / 1 h / 20 - 60 °C / Heating

With potassium fluoride; sodium acetate; acetic anhydride; trimethylamine; In sulfolane; ethanol; acetic anhydride;
DOI:10.1002/anie.201610944

Reference yield:

: 942-06-3
4,5-dichlorophthalic anhydride

: 2083617-82-5
2–(5,6–difluoro–3–oxo–2,3–dihydro–1H–inden–1–ylidene)malononitrile

Guidance literature:: Multi-step reaction with 3 steps

1: potassium fluoride / sulfolane / 3 h / 185 °C / Inert atmosphere

2: trimethylamine; acetic anhydride / 20 °C / Inert atmosphere

3: sodium acetate / ethanol / 1 h / 20 - 60 °C / Heating

With potassium fluoride; sodium acetate; acetic anhydride; trimethylamine; In sulfolane; ethanol;
DOI:10.1002/anie.201610944