1-(2-Azido-5-bromo-phenyl)-3,5-dimethyl-1H-pyrazole

Base Information

Chemical Name:1-(2-Azido-5-bromo-phenyl)-3,5-dimethyl-1H-pyrazole
CAS No.:75519-38-9
Molecular Formula:C₁₁H₁₀BrN₅
Molecular Weight:292.138
Hs Code.:

Synonyms:

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Chemical Property of 1-(2-Azido-5-bromo-phenyl)-3,5-dimethyl-1H-pyrazole

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Technology Process of 1-(2-Azido-5-bromo-phenyl)-3,5-dimethyl-1H-pyrazole

There total 5 articles about 1-(2-Azido-5-bromo-phenyl)-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:

: 585-79-5
m-nitrobromobenzene

: 75519-38-9
1-(2-Azido-5-bromo-phenyl)-3,5-dimethyl-1H-pyrazole

Guidance literature:: Multi-step reaction with 5 steps

1: 94 percent / fuming nitric acid, 98percent sulphuric acid / 1 h / 30 °C

2: urea, hydrazine hydrate / ethanol

3: 68 percent / 98percent sulphuric acid / ethanol; acetic acid / 6 h / Heating

4: 2 percent / triethyl phosphite / various solvent(s) / 72 h / Heating

5: 1.) sodium nitrite, conc. hydrochloric acid, 2.) sodium azide, sodium acetate / 1.) water, 0 deg C, 2.) 1 h

With hydrogenchloride; sodium azide; sulfuric acid; nitric acid; sodium acetate; hydrazine hydrate; urea; sodium nitrite; triethyl phosphite; In ethanol; acetic acid;
DOI:10.1039/P19800000982

Reference yield:

: 610-38-8
4-bromo-1,2-dinitrobenzene

: 75519-38-9
1-(2-Azido-5-bromo-phenyl)-3,5-dimethyl-1H-pyrazole

Guidance literature:: Multi-step reaction with 4 steps

1: urea, hydrazine hydrate / ethanol

2: 68 percent / 98percent sulphuric acid / ethanol; acetic acid / 6 h / Heating

3: 2 percent / triethyl phosphite / various solvent(s) / 72 h / Heating

4: 1.) sodium nitrite, conc. hydrochloric acid, 2.) sodium azide, sodium acetate / 1.) water, 0 deg C, 2.) 1 h

With hydrogenchloride; sodium azide; sulfuric acid; sodium acetate; hydrazine hydrate; urea; sodium nitrite; triethyl phosphite; In ethanol; acetic acid;
DOI:10.1039/P19800000982

Reference yield:

: 60418-34-0
1-(5-bromo-2-nitrophenyl)-3,5-dimethylpyrazole

: 75519-38-9
1-(2-Azido-5-bromo-phenyl)-3,5-dimethyl-1H-pyrazole

Guidance literature:: Multi-step reaction with 2 steps

1: 2 percent / triethyl phosphite / various solvent(s) / 72 h / Heating

2: 1.) sodium nitrite, conc. hydrochloric acid, 2.) sodium azide, sodium acetate / 1.) water, 0 deg C, 2.) 1 h

With hydrogenchloride; sodium azide; sodium acetate; sodium nitrite; triethyl phosphite; In various solvent(s);
DOI:10.1039/P19800000982