cis-1,4-diphenyl-4-diazobut-1-ene

Base Information

• Chemical Name: cis-1,4-diphenyl-4-diazobut-1-ene
• CAS No.: 77764-71-7
• Molecular Formula: C₁₆H₁₄N₂
• Molecular Weight: 234.301
• Mol file: 77764-71-7.mol

Synonyms:cis-1,4-diphenyl-4-diazobut-1-ene

Chemical Property of cis-1,4-diphenyl-4-diazobut-1-ene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of cis-1,4-diphenyl-4-diazobut-1-ene

There total 7 articles about cis-1,4-diphenyl-4-diazobut-1-ene 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:

3-Phenyl-2-propyn-1-ol (1504-58-1) → cis-1,4-diphenyl-4-diazobut-1-ene (77764-71-7)

Guidance literature:

Multi-step reaction with 6 steps

1: phosphorus tribromide, pyridine / diethyl ether

2: 1.) Mg / 1.) ether, 2.) ether, 10 h

3: 3.0 g / chromium trioxide, 23percent sulfuric acid / acetone / 0.33 h / 0 °C

4: 500 mg / H₂, quinoline / palladium on barium carbonate / ethyl acetate / 2 h

5: 42 percent / ethanol / 168 h / Ambient temperature

6: 1.) NaH / 1.) THF, room temperature, 20 min, 2.) benzene, reflux, 20 min

With pyridine; quinoline; chromium(VI) oxide; sulfuric acid; hydrogen; phosphorus tribromide; sodium hydride; magnesium; palladium-barium carbonate; In diethyl ether; ethanol; ethyl acetate; acetone;

DOI:10.1021/ja00342a049

Reference yield:

1,4-Diphenyl-3-butyn-1-one (17572-79-1) → cis-1,4-diphenyl-4-diazobut-1-ene (77764-71-7)

Guidance literature:

Multi-step reaction with 3 steps

1: 500 mg / H₂, quinoline / palladium on barium carbonate / ethyl acetate / 2 h

2: 42 percent / ethanol / 168 h / Ambient temperature

3: 1.) NaH / 1.) THF, room temperature, 20 min, 2.) benzene, reflux, 20 min

With quinoline; hydrogen; sodium hydride; palladium-barium carbonate; In ethanol; ethyl acetate;

DOI:10.1021/ja00342a049

Reference yield:

1,4-diphenylbut-3-yn-1-ol (17572-78-0) → cis-1,4-diphenyl-4-diazobut-1-ene (77764-71-7)

Guidance literature:

Multi-step reaction with 4 steps

1: 3.0 g / chromium trioxide, 23percent sulfuric acid / acetone / 0.33 h / 0 °C

2: 500 mg / H₂, quinoline / palladium on barium carbonate / ethyl acetate / 2 h

3: 42 percent / ethanol / 168 h / Ambient temperature

4: 1.) NaH / 1.) THF, room temperature, 20 min, 2.) benzene, reflux, 20 min

With quinoline; chromium(VI) oxide; sulfuric acid; hydrogen; sodium hydride; palladium-barium carbonate; In ethanol; ethyl acetate; acetone;

DOI:10.1021/ja00342a049

upstream raw materials:

Z-1,4-diphenyl-3-buten-1-one N-tosyl hydrazone

(Z)-1,4-diphenyl-3-buten-1-one N-tosylhydrazone

(Z)-1,4-diphenyl-3-buten-1-one

3-Phenyl-2-propyn-1-ol