4-(4-Bromo-phenyl)-5-(5-nitro-thiophen-2-yl)-2-phenyl-2,4-dihydro-[1,2,4]triazol-3-one

Base Information

Chemical Name:4-(4-Bromo-phenyl)-5-(5-nitro-thiophen-2-yl)-2-phenyl-2,4-dihydro-[1,2,4]triazol-3-one
CAS No.:104707-74-6
Molecular Formula:C₁₈H₁₁BrN₄O₃S
Molecular Weight:443.28
Hs Code.:

Synonyms:4-(4-Bromo-phenyl)-5-(5-nitro-thiophen-2-yl)-2-phenyl-2,4-dihydro-[1,2,4]triazol-3-one

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Chemical Property of 4-(4-Bromo-phenyl)-5-(5-nitro-thiophen-2-yl)-2-phenyl-2,4-dihydro-[1,2,4]triazol-3-one

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Technology Process of 4-(4-Bromo-phenyl)-5-(5-nitro-thiophen-2-yl)-2-phenyl-2,4-dihydro-[1,2,4]triazol-3-one

There total 3 articles about 4-(4-Bromo-phenyl)-5-(5-nitro-thiophen-2-yl)-2-phenyl-2,4-dihydro-[1,2,4]triazol-3-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: 60.0%

: 104707-41-7
C₁₈H₁₃BrN₄O₃S

: 104707-74-6
4-(4-Bromo-phenyl)-5-(5-nitro-thiophen-2-yl)-2-phenyl-2,4-dihydro-[1,2,4]triazol-3-one

Guidance literature:: With lead dioxide; In formic acid; dichloromethane; at 25 ℃; for 1.5h;

Reference yield:

: 91093-51-5
5-nitro-thiophene-2-carbaldehyde phenylhydrazone

: 104707-74-6
4-(4-Bromo-phenyl)-5-(5-nitro-thiophen-2-yl)-2-phenyl-2,4-dihydro-[1,2,4]triazol-3-one

Guidance literature:: Multi-step reaction with 3 steps

1: 90 percent / 10percent solution of phosgene in dry toluene / benzene; pyridine / 1.5 h / Heating

2: 87 percent / ethanol / 0 °C

3: 60 percent / lead dioxide / formic acid; CH₂Cl₂ / 1.5 h / 25 °C

With phosgene; lead dioxide; In pyridine; formic acid; ethanol; dichloromethane; benzene;

Reference yield:

: 104707-47-3
5-nitro-2-thiophenaldehyde 2-chloroformyl-2-phenylhydrazone

: 104707-74-6
4-(4-Bromo-phenyl)-5-(5-nitro-thiophen-2-yl)-2-phenyl-2,4-dihydro-[1,2,4]triazol-3-one

Guidance literature:: Multi-step reaction with 2 steps

1: 87 percent / ethanol / 0 °C

2: 60 percent / lead dioxide / formic acid; CH₂Cl₂ / 1.5 h / 25 °C

With lead dioxide; In formic acid; ethanol; dichloromethane;