8-FLUORO-2,3,4,5-TETRAHYDRO-1H-BENZO[E][1,4]DIAZEPINE

Base Information

• Chemical Name: 8-FLUORO-2,3,4,5-TETRAHYDRO-1H-BENZO[E][1,4]DIAZEPINE
• CAS No.: 620948-83-6
• Molecular Formula: C9H11FN2
• Molecular Weight: 166.198
• Hs Code.: 2933990090
• Mol file: 620948-83-6.mol

Synonyms:8-Fluoro-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine;

Chemical Property of 8-FLUORO-2,3,4,5-TETRAHYDRO-1H-BENZO[E][1,4]DIAZEPINE

Chemical Property:

• Vapor Pressure: 0.006mmHg at 25°C
• Refractive Index: 1H,11,12)
• Boiling Point: 271.516 °C at 760 mmHg
• Flash Point: 118.009 °C
• PSA: 24.06000
• Density: 1.106 g/cm³
• LogP: 1.80760
• Storage Temp.: 2-8°C

Purity/Quality:

97% ^*data from raw suppliers

8-fluoro-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 8-FLUORO-2,3,4,5-TETRAHYDRO-1H-BENZO[E][1,4]DIAZEPINE

There total 5 articles about 8-FLUORO-2,3,4,5-TETRAHYDRO-1H-BENZO[E][1,4]DIAZEPINE 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: 77.2%

8-fluoro-3,4-dihydro-1H-benzo[e][1,4]diazepine-2,5-dione (620948-89-2) → 8-fluoro-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepine (620948-83-6)

Guidance literature:

With lithium aluminium tetrahydride; In tetrahydrofuran; at 0 - 60 ℃; for 12h;

DOI:10.1016/j.bioorg.2020.103800

Reference yield:

4-fluoroanthranilic acid (446-32-2) → 8-fluoro-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepine (620948-83-6)

Guidance literature:

Multi-step reaction with 3 steps

1.1: benzotriazol-1-ol; triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 0 - 20 °C

2.1: acetic acid / 120 °C

3.1: diborane; tetrahydrofuran / tetrahydrofuran / 12 h / Reflux

3.2: 3 h / 0 °C / Reflux

With tetrahydrofuran; benzotriazol-1-ol; acetic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; diborane; In tetrahydrofuran; dichloromethane;

DOI:10.1021/acsmedchemlett.5b00074

Reference yield:

ethyl (2-amino-4-fluorobenzoyl)glycinate (769120-96-9) → 8-fluoro-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepine (620948-83-6)

Guidance literature:

Multi-step reaction with 2 steps

1: acetic acid / 24 h

2: lithium aluminum hydride / tetrahydrofuran / 24 h

With lithium aluminium tetrahydride; acetic acid; In tetrahydrofuran;

DOI:10.1016/j.bmcl.2004.02.100

upstream raw materials:

8-fluoro-3,4-dihydro-1H-benzo[e][1,4]diazepine-2,5-dione

7-fluoro-1H-benzo[d][1,3]oxazine-2,4-dione

ethyl (2-amino-4-fluorobenzoyl)glycinate

4-fluoroanthranilic acid

Downstream raw materials:

Benzyl 8-fluoro-1,2,3,5-tetrahydro-4H-1,4-benzodiazepine-4-carboxylate