alpha,alpha,3,4-Tetrafluorobenzeneacetamide

Base Information

• Chemical Name: alpha,alpha,3,4-Tetrafluorobenzeneacetamide
• CAS No.: 73790-15-5
• Molecular Formula: C₈H₅F₄NO
• Molecular Weight: 207.127
• DSSTox Substance ID: DTXSID101292639

Synonyms:alpha,alpha,3,4-Tetrafluorobenzeneacetamide;DTXSID101292639;AKOS025214188;73790-15-5

Chemical Property of alpha,alpha,3,4-Tetrafluorobenzeneacetamide

Chemical Property:

• XLogP3: 1.7
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 2
• Exact Mass: 207.03072643
• Heavy Atom Count: 14
• Complexity: 233

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Canonical SMILES: C1=CC(=C(C=C1C(C(=O)N)(F)F)F)F

Technology Process of alpha,alpha,3,4-Tetrafluorobenzeneacetamide

There total 2 articles about alpha,alpha,3,4-Tetrafluorobenzeneacetamide 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: 95.0%

ethyl α,α,3,4-tetrafluorobenzeneacetate (73789-95-4) → α,α,3,4-tetrafluorobenzeneacetamide (73790-15-5)

Guidance literature:

With ammonia; In methanol; at 20 ℃; for 13h;

DOI:10.1016/j.bmcl.2008.03.087

Reference yield:

ethyl 3,4-difluoro-α-oxobenzeneacetate (73790-05-3) → α,α,3,4-tetrafluorobenzeneacetamide (73790-15-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 65 percent / (diethylamino)sulfur trifluoride

2: 83 percent / NH₃ / 25 °C

With diethylamino-sulfur trifluoride; ammonia;

DOI:10.1021/jo01302a025

Reference yield: 67.0%

α,α,3,4-tetrafluorobenzeneacetamide (73790-15-5) → 2-(3,4-Difluoro-phenyl)-2,2-difluoro-ethylamine (726118-53-2)

Guidance literature:

With borane; In tetrahydrofuran; for 9h; Heating;

DOI:10.1016/j.bmcl.2008.03.087

upstream raw materials:

ethyl α,α,3,4-tetrafluorobenzeneacetate

ethyl 3,4-difluoro-α-oxobenzeneacetate

Downstream raw materials:

2,2-difluoro-2-(3,4-difluorophenyl)ethylamine hydrochloride

2-(3,4-Difluoro-phenyl)-2,2-difluoro-ethylamine

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