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

Base Information

Chemical Name:1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole)
CAS No.:172606-22-3
Molecular Formula:C₁₈H₂₂N₄
Molecular Weight:294.399
Hs Code.:
Mol file:172606-22-3.mol

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

Suppliers and Price of 1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole)

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Total 9 raw suppliers

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

Chemical Property:

Purity/Quality:: 98%,99%, ^*data from raw suppliers

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

There total 3 articles about 1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole) 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: 86.0%

: 67-51-6
3,5-dimethyl-1H-pyrazole

: 623-25-6
p-Xylylene dichloride

: 172606-22-3
1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole)

Guidance literature:: 3,5-dimethyl-1H-pyrazole; With potassium hydroxide; In dimethyl sulfoxide; at 20 - 22 ℃; for 0.333333h;

p-Xylylene dichloride; In dimethyl sulfoxide; at 20 - 30 ℃;
DOI:10.1134/S1070428009070100

Reference yield: 61.2%

: 67-51-6
3,5-dimethyl-1H-pyrazole

: 623-24-5
1,4-bis(bromomethyl)benzene

: 172606-22-3
1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole)

Guidance literature:: 3,5-dimethyl-1H-pyrazole; With potassium hydroxide; In dimethyl sulfoxide; at 80 ℃; for 1h;

1,4-bis(bromomethyl)benzene; In dimethyl sulfoxide; at 80 ℃;
DOI:10.1016/j.poly.2012.08.016

Reference yield:

: 106-42-3
para-xylene

: 172606-22-3
1,1'-(benzene-1,4-diyldimethylene)-bis(3,5-dimethyl-1H-pyrazole)

Guidance literature:: Multi-step reaction with 2 steps

1.1: bromine / 5 h / Reflux; Irradiation

2.1: potassium hydroxide / dimethyl sulfoxide / 1 h / 80 °C

2.2: 80 °C

With bromine; potassium hydroxide; In dimethyl sulfoxide;
DOI:10.1016/j.poly.2012.08.016