4,4-difluoro-1-(4-nitrobenzoyl)-2,3,4,5-tetrahydro-1H-1-benzoazepine-5-one

Base Information

Chemical Name:4,4-difluoro-1-(4-nitrobenzoyl)-2,3,4,5-tetrahydro-1H-1-benzoazepine-5-one
CAS No.:168163-96-0
Molecular Formula:C₁₇H₁₂F₂N₂O₄
Molecular Weight:346.29
Hs Code.:

Synonyms:4,4-difluoro-1-(4-nitrobenzoyl)-2,3,4,5-tetrahydro-1H-1-benzoazepine-5-one

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Chemical Property of 4,4-difluoro-1-(4-nitrobenzoyl)-2,3,4,5-tetrahydro-1H-1-benzoazepine-5-one

Chemical Property:

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Technology Process of 4,4-difluoro-1-(4-nitrobenzoyl)-2,3,4,5-tetrahydro-1H-1-benzoazepine-5-one

There total 5 articles about 4,4-difluoro-1-(4-nitrobenzoyl)-2,3,4,5-tetrahydro-1H-1-benzoazepine-5-one 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:

: 122-04-3
4-nitro-benzoyl chloride

: 168163-95-9
4,4-difluoro-1,2,3,4-tetrahydro-benzo[b]azepin-5-one

: 168163-96-0
4,4-difluoro-1-(4-nitrobenzoyl)-2,3,4,5-tetrahydro-1H-1-benzoazepine-5-one

Guidance literature:: With triethylamine; In dichloromethane; at 20 ℃; for 12h;
DOI:10.1248/cpb.48.1644

Reference yield:

: 24310-36-9
1-tosyl-2,3,4,5-tetrahydro-1H-1-benzazepin-5-one

: 168163-96-0
4,4-difluoro-1-(4-nitrobenzoyl)-2,3,4,5-tetrahydro-1H-1-benzoazepine-5-one

Guidance literature:: Multi-step reaction with 5 steps

1.1: LDA / tetrahydrofuran / 0.5 h / -78 °C

1.2: 78 percent / N-fluoro-benzenesulfonimide / tetrahydrofuran / 1 h / 0 °C

2.1: Et₃N / CH₂Cl₂ / 1 h / 20 °C

3.1: N-fluoropyridinium trifluoromethanesulfonate / CH₂Cl₂ / 2 h / Heating

4.1: H₂SO₄; AcOH / 14 h / 60 °C

5.1: Et₃N / CH₂Cl₂ / 12 h / 20 °C

With sulfuric acid; N-fluoropyridinium triflate; acetic acid; triethylamine; lithium diisopropyl amide; In tetrahydrofuran; dichloromethane;
DOI:10.1248/cpb.48.1644

Reference yield:

: 168163-93-7
4-fluoro-1-(p-toluenesulfonyl)-1,2,3,4-tetrahydro-5H-1-benzoazepin-5-one

: 168163-96-0
4,4-difluoro-1-(4-nitrobenzoyl)-2,3,4,5-tetrahydro-1H-1-benzoazepine-5-one

Guidance literature:: Multi-step reaction with 4 steps

1: Et₃N / CH₂Cl₂ / 1 h / 20 °C

2: N-fluoropyridinium trifluoromethanesulfonate / CH₂Cl₂ / 2 h / Heating

3: H₂SO₄; AcOH / 14 h / 60 °C

4: Et₃N / CH₂Cl₂ / 12 h / 20 °C

With sulfuric acid; N-fluoropyridinium triflate; acetic acid; triethylamine; In dichloromethane;
DOI:10.1248/cpb.48.1644