1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole-4-carbaldehyde)

Base Information

• Chemical Name: 1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole-4-carbaldehyde)
• CAS No.: 1202709-81-6
• Molecular Formula: C₂₀H₂₂N₄O₂
• Molecular Weight: 350.42
• Mol file: 1202709-81-6.mol

Synonyms:1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole-4-carbaldehyde)

Chemical Property of 1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole-4-carbaldehyde)

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

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Technology Process of 1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole-4-carbaldehyde)

There total 1 articles about 1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole-4-carbaldehyde) 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: 85.0%

N,N-dimethyl-formamide (68-12-2,33513-42-7) + 1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole) (172606-22-3) → 1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole-4-carbaldehyde) (1202709-81-6)

Guidance literature:

N,N-dimethyl-formamide; 1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole); With trichlorophosphate; at 70 - 75 ℃; for 5h;

With water; In N,N-dimethyl-formamide; Cooling with cold water;

DOI:10.1134/S1070428009070100

Reference yield: 86.0%

1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole-4-carbaldehyde) (1202709-81-6) + 2-hydroxyethanethiol (60-24-2) → 1,1'-(benzene-1,4-diyldimethylene)-bis[3,5-dimethyl-4-(1,4,6-oxadithiocan-5-yl)-1H-pyrazole] (1202709-82-7)

Guidance literature:

With chloro-trimethyl-silane; at 50 - 70 ℃; for 4h;

DOI:10.1134/S1070428009070100

Reference yield: 54.0%

propane-1,3-bisselenolate (59637-44-4) + 1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole-4-carbaldehyde) (1202709-81-6) → 1,1'-(benzene-1,4-diyldimethylene) bis[3,5-dimethyl-4-(1,3-diselenan-2-yl)-1H-pyrazole]

Guidance literature:

propane-1,3-bisselenolate; 1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole-4-carbaldehyde); With chloro-trimethyl-silane; In dichloromethane; at 20 ℃; for 2h; Inert atmosphere;

With triethylamine; In dichloromethane;

DOI:10.1016/j.mencom.2013.11.013

upstream raw materials:

N,N-dimethyl-formamide

1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole)

Downstream raw materials:

1,1'-(benzene-1,4-diyldimethylene)-bis[3,5-dimethyl-4-(1,4,6-oxadithiocan-5-yl)-1H-pyrazole]