1,3-diphenyl-1H-pyrazole-4,5-diamine

Base Information

• Chemical Name: 1,3-diphenyl-1H-pyrazole-4,5-diamine
• CAS No.: 122128-84-1
• Molecular Formula: C₁₅H₁₄N₄
• Molecular Weight: 250.303
• Mol file: 122128-84-1.mol

Synonyms:1,3-diphenyl-1H-pyrazole-4,5-diamine

Chemical Property of 1,3-diphenyl-1H-pyrazole-4,5-diamine

Chemical Property:

• Melting Point: 138-140 °C
• Boiling Point: 464.4±45.0 °C(Predicted)
• Density: 1.26±0.1 g/cm3(Predicted)

Purity/Quality:

97% ^*data from raw suppliers

Diphenyl-1H-pyrazole-4,5-diamine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,3-diphenyl-1H-pyrazole-4,5-diamine

There total 3 articles about 1,3-diphenyl-1H-pyrazole-4,5-diamine 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: 61.0%

1,3-diphenyl-4-(phenyldiazenyl)-1H-pyrazol-5-amine (100644-98-2) → 1,3-diphenyl-1H-pyrazole-4,5-diamine (122128-84-1)

Guidance literature:

With sodium dithionite; In ethanol; water; Heating;

DOI:10.1002/cjoc.201180265

Reference yield: 50.0%

1,3-diphenyl-1H-pyrazol-5-amine (5356-71-8) → 1,3-diphenyl-1H-pyrazole-4,5-diamine (122128-84-1)

Guidance literature:

1,3-diphenyl-1H-pyrazol-5-amine; With sodium nitrite; In hydrogenchloride; at 0 ℃;

With tin(ll) chloride; In hydrogenchloride; at 20 ℃;

DOI:10.1016/S0040-4039(03)00398-8

Reference yield: 15.0%

4-nitroso-1,3-diphenyl-1H-pyrazol-5-amine (90012-56-9) → 1,3-diphenyl-1H-pyrazole-4,5-diamine (122128-84-1)

Guidance literature:

With hydrogenchloride; tin(ll) chloride; In water; at 0 - 20 ℃; for 0.25h;

DOI:10.1002/cjoc.201180265

upstream raw materials:

4-nitroso-1,3-diphenyl-1H-pyrazol-5-amine

1,3-diphenyl-1H-pyrazol-5-amine

1,3-diphenyl-4-(phenyldiazenyl)-1H-pyrazol-5-amine

Downstream raw materials:

1,3-diphenyl-1H-pyrazolo[3,4-b]pyrazine

1,3-diphenyl-4-(4-methoxyphenyl)-4H,6H-thiazolo[3,4-a]pyrazoloimidazole

1,3-diphenyl-1,6-dihydroimidazo[4,5-c]pyrazole-5-thiol

1,3-diphenyl-7-(4-methoxyphenyl)-5-p-tolyl-1,6,7,8-tetrahydropyrazolo[4,3-b][1,4]diazepine