4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine, 5,6-dihydro-1,4-dimethyl-9-fluoro-6-(4-chloro-phenyl)

Base Information

• Chemical Name: 4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine, 5,6-dihydro-1,4-dimethyl-9-fluoro-6-(4-chloro-phenyl)
• CAS No.: 1407830-52-7
• Molecular Formula: C₁₈H₁₆ClFN₄
• Molecular Weight: 342.803
• Mol file: 1407830-52-7.mol

Synonyms:4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine, 5,6-dihydro-1,4-dimethyl-9-fluoro-6-(4-chloro-phenyl)

Chemical Property of 4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine, 5,6-dihydro-1,4-dimethyl-9-fluoro-6-(4-chloro-phenyl)

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine, 5,6-dihydro-1,4-dimethyl-9-fluoro-6-(4-chloro-phenyl)

There total 5 articles about 4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine, 5,6-dihydro-1,4-dimethyl-9-fluoro-6-(4-chloro-phenyl) 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: 51.0%

1-Chloro-4-iodobenzene (637-87-6) + 4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine, 5,6-dihydro-1,4-dimethyl-9-fluoro- (1407834-16-5) → 4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine, 5,6-dihydro-1,4-dimethyl-9-fluoro-6-(4-chloro-phenyl) (1407830-52-7)

Guidance literature:

With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; caesium carbonate; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; In toluene; at 120 ℃; for 15h; Inert atmosphere;

Reference yield:

methyl 3-(4-fluoro-2-nitrophenylamino)-2-methylpropanoate (1407834-04-1) → 4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine, 5,6-dihydro-1,4-dimethyl-9-fluoro-6-(4-chloro-phenyl) (1407830-52-7)

Guidance literature:

Multi-step reaction with 5 steps

1: zinc; ammonium chloride / ethanol / 1 h / 0 °C / Reflux

2: titanium(IV) isopropylate / toluene / 15 h / 90 °C

3: Lawessons reagent / tetrahydrofuran / 1 h / 80 °C

4: butan-1-ol / 15 h / 130 °C

5: caesium carbonate; dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane / tris-(dibenzylideneacetone)dipalladium⁽⁰⁾ / toluene / 15 h / 120 °C / Inert atmosphere

With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; Lawessons reagent; titanium(IV) isopropylate; ammonium chloride; caesium carbonate; zinc; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; In tetrahydrofuran; ethanol; toluene; butan-1-ol;

Reference yield:

methyl 3-(2-amino-4-fluorophenylamino)-2-methylpropanoate (1407834-07-4) → 4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine, 5,6-dihydro-1,4-dimethyl-9-fluoro-6-(4-chloro-phenyl) (1407830-52-7)

Guidance literature:

Multi-step reaction with 4 steps

1: titanium(IV) isopropylate / toluene / 15 h / 90 °C

2: Lawessons reagent / tetrahydrofuran / 1 h / 80 °C

3: butan-1-ol / 15 h / 130 °C

4: caesium carbonate; dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane / tris-(dibenzylideneacetone)dipalladium⁽⁰⁾ / toluene / 15 h / 120 °C / Inert atmosphere

With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; Lawessons reagent; titanium(IV) isopropylate; caesium carbonate; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; In tetrahydrofuran; toluene; butan-1-ol;

upstream raw materials:

1-Chloro-4-iodobenzene

4H-[1,2,4]triazolo[4,3-a][1,5]benzodiazepine, 5,6-dihydro-1,4-dimethyl-9-fluoro-

methyl 3-(4-fluoro-2-nitrophenylamino)-2-methylpropanoate

methyl 3-(2-amino-4-fluorophenylamino)-2-methylpropanoate