4,8-bis(dimethylamino)-4,8-diphenylpyrazabole

Base Information

Chemical Name:4,8-bis(dimethylamino)-4,8-diphenylpyrazabole
CAS No.:81014-18-8
Molecular Formula:C₂₂H₂₈B₂N₆
Molecular Weight:398.127
Hs Code.:

Synonyms:

Suppliers and Price of 4,8-bis(dimethylamino)-4,8-diphenylpyrazabole

Supply Marketing:

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

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 0 raw suppliers

Chemical Property of 4,8-bis(dimethylamino)-4,8-diphenylpyrazabole

Chemical Property:

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Technology Process of 4,8-bis(dimethylamino)-4,8-diphenylpyrazabole

There total 2 articles about 4,8-bis(dimethylamino)-4,8-diphenylpyrazabole 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: 11.0%

: 1196-44-7
chloro(dimethylamino)phenylborane

: 40958-82-5
sodium pyrazolide

: 81014-18-8
4,8-bis(dimethylamino)-4,8-diphenylpyrazabole

Guidance literature:: In hexane; the borane was added to the mixture of sodium pyrazol-1-ylate/hexane under argon, heated until the reaction occurs; evapd. in vac.; extrd. with benzene, partially evapd., ppt. collected, dried in vac.;

Reference yield:

: 288-13-1
NH-pyrazole

: 1201-45-2
Bis-(dimethylamino)-phenylboran

: 624-83-9
methyl isocyanate

: 81014-18-8
4,8-bis(dimethylamino)-4,8-diphenylpyrazabole

Guidance literature:: In hexane; benzene; byproducts: N,N,N'-trimethylurea; the CH3NCO/hexane soln. was added to the soln. of borane/hexane under argon, heated to 40-50°C, refluxed for 30 min, pyrazole/benzene soln. was added keeping the temp. below 50°C, diluted with hexane, stirred overnight; ppt. was collected, recrystd. from benzene, first fraction is the product, others are contaminated with the urea;