1-[2-(2',4',5'-tribromo)-phenylethyl]-4-cyano-3-ethoxymethylenaminopyrazole

Base Information

Chemical Name:1-[2-(2',4',5'-tribromo)-phenylethyl]-4-cyano-3-ethoxymethylenaminopyrazole
CAS No.:181622-13-9
Molecular Formula:C₁₅H₁₃Br₃N₄O
Molecular Weight:505.006
Hs Code.:

Synonyms:

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Chemical Property of 1-[2-(2',4',5'-tribromo)-phenylethyl]-4-cyano-3-ethoxymethylenaminopyrazole

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Technology Process of 1-[2-(2',4',5'-tribromo)-phenylethyl]-4-cyano-3-ethoxymethylenaminopyrazole

There total 1 articles about 1-[2-(2',4',5'-tribromo)-phenylethyl]-4-cyano-3-ethoxymethylenaminopyrazole 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:

: [2-(2,4,5-Tribromo-phenyl)-ethyl]-hydrazine; hydrochloride

: 181622-13-9
1-[2-(2',4',5'-tribromo)-phenylethyl]-4-cyano-3-ethoxymethylenaminopyrazole

Guidance literature:: Multi-step reaction with 2 steps

1: 77 percent / Et₃N / ethanol / 18 h / 70 °C

2: 88 percent / 8 h / Heating

With triethylamine; In ethanol;
DOI:10.1002/(SICI)1099-1344(199608)38:8<725::AID-JLCR885>3.0.CO;2-G

Reference yield:

: 181622-13-9
1-[2-(2',4',5'-tribromo)-phenylethyl]-4-cyano-3-ethoxymethylenaminopyrazole

: 181622-17-3
4-(5-Furan-2-yl-2H-[1,2,4]triazol-3-yl)-2-[2-(2,4,5-tribromo-phenyl)-ethyl]-2H-pyrazol-3-ylamine

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) 2-methoxyethanol, reflux, 6 h, 2.) diphenyl ether, 260 deg C, 1.5 h

2: 98.7 percent / 10percent aq. HCl / dioxane / 3 h / Heating

With hydrogenchloride; In 1,4-dioxane;
DOI:10.1002/(SICI)1099-1344(199608)38:8<725::AID-JLCR885>3.0.CO;2-G

Reference yield:

: 181622-13-9
1-[2-(2',4',5'-tribromo)-phenylethyl]-4-cyano-3-ethoxymethylenaminopyrazole

: 5-amino-7-(2-phenylethyl)-2-(2-furyl)pyrazolo[4,3-e]1,2,4-triazolo[1,5-c]pyrimidine-(phenyl-3H(N))

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) 2-methoxyethanol, reflux, 6 h, 2.) diphenyl ether, 260 deg C, 1.5 h

2: 98.7 percent / 10percent aq. HCl / dioxane / 3 h / Heating

3: 65 percent / p-TsOH / various solvent(s) / 160 °C

4: T₂, Et₃N / dimethylformamide; tetrahydrofuran / 24 h / 760 Torr / Ambient temperature

With hydrogenchloride; tritium; toluene-4-sulfonic acid; triethylamine; In tetrahydrofuran; 1,4-dioxane; N,N-dimethyl-formamide;
DOI:10.1002/(SICI)1099-1344(199608)38:8<725::AID-JLCR885>3.0.CO;2-G