dihydro(3,5-dimethyl-1-pyrazole)(3,5-diphenyl-1-pyrazole)boronium iodide

Base Information

Chemical Name:dihydro(3,5-dimethyl-1-pyrazole)(3,5-diphenyl-1-pyrazole)boronium iodide
CAS No.:145780-40-1
Molecular Formula:C₂₀H₂₂BN₄*I
Molecular Weight:456.137
Hs Code.:

Synonyms:dihydro(3,5-dimethyl-1-pyrazole)(3,5-diphenyl-1-pyrazole)boronium iodide

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

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Chemical Property of dihydro(3,5-dimethyl-1-pyrazole)(3,5-diphenyl-1-pyrazole)boronium iodide

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Technology Process of dihydro(3,5-dimethyl-1-pyrazole)(3,5-diphenyl-1-pyrazole)boronium iodide

There total 2 articles about dihydro(3,5-dimethyl-1-pyrazole)(3,5-diphenyl-1-pyrazole)boronium iodide 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: 80.0%

: 1145-01-3
3,5-Diphenylpyrazole

: 82963-91-5
3,5-dimethyl-2H-pyrazole-1-borane

: 145780-40-1
dihydro(3,5-dimethyl-1-pyrazole)(3,5-diphenyl-1-pyrazole)boronium iodide

Guidance literature:: With I₂; In tetrahydrofuran; byproducts: H2; (Ar); I2 (THF) added dropwise (-30°C, striing); 3,5-diphenylpyrazole (THF) added (-30°C); 3 h, -30°C; filtered at -30°C; further crop pptd. by adding petroleum ether; recrystd. (CH2Cl2); elem.anal.;
DOI:10.1016/S0020-1693(00)84959-2

Reference yield:

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

: 145780-40-1
dihydro(3,5-dimethyl-1-pyrazole)(3,5-diphenyl-1-pyrazole)boronium iodide

Guidance literature:: Multi-step reaction with 2 steps

1: tetrahydrofuran

2: I₂ / tetrahydrofuran

With I₂; In tetrahydrofuran;
DOI:10.1016/S0020-1693(00)84959-2

Reference yield:

: 145780-40-1
dihydro(3,5-dimethyl-1-pyrazole)(3,5-diphenyl-1-pyrazole)boronium iodide

: 7646-69-7
sodium hydride

: sodium dihydro(3,5-dimethyl-1-pyrazolyl)(3,5-diphenyl-1-pyrazolyl)borate

Guidance literature:: In tetrahydrofuran; byproducts: NaI, H2; (Ar); 2 h, room temp.; filtered; solvent evapd.; IR, (1)H NMR;
DOI:10.1016/S0020-1693(00)84959-2