[6-(4-fluoro-phenyl)-1H-pyrazin-(2z)-ylidene]-2-bromo-4,5-dimethoxy-phenyl semicarbazone

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Chemical Name:[6-(4-fluoro-phenyl)-1H-pyrazin-(2z)-ylidene]-2-bromo-4,5-dimethoxy-phenyl semicarbazone
CAS No.:1273550-59-6
Molecular Formula:C₁₉H₁₈BrN₅O₃
Molecular Weight:444.288
Hs Code.:

Synonyms:[6-(4-fluoro-phenyl)-1H-pyrazin-(2z)-ylidene]-2-bromo-4,5-dimethoxy-phenyl semicarbazone

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Chemical Property of [6-(4-fluoro-phenyl)-1H-pyrazin-(2z)-ylidene]-2-bromo-4,5-dimethoxy-phenyl semicarbazone

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Technology Process of [6-(4-fluoro-phenyl)-1H-pyrazin-(2z)-ylidene]-2-bromo-4,5-dimethoxy-phenyl semicarbazone

There total 5 articles about [6-(4-fluoro-phenyl)-1H-pyrazin-(2z)-ylidene]-2-bromo-4,5-dimethoxy-phenyl semicarbazone 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:

: 1232688-41-3
1-bromo-2-isocyanato-4,5-dimethoxybenzene

: 1273550-43-8
[6-(4-fluoro-phenyl)-1H-pyrazin-(2Z)-ylidene]-hydrazine

: 1273550-59-6
[6-(4-fluoro-phenyl)-1H-pyrazin-(2z)-ylidene]-2-bromo-4,5-dimethoxy-phenyl semicarbazone

Guidance literature:: In tetrahydrofuran; at 20 ℃; for 1h;

Reference yield:

: 1765-93-1
4-fluoroboronic acid

: 1273550-59-6
[6-(4-fluoro-phenyl)-1H-pyrazin-(2z)-ylidene]-2-bromo-4,5-dimethoxy-phenyl semicarbazone

Guidance literature:: Multi-step reaction with 3 steps

1: tetrakis(triphenylphosphine) palladium⁽⁰⁾ / 1,4-dioxane / 1 h / 60 °C

2: hydrazine / 1,4-dioxane / 2 h / Reflux

3: tetrahydrofuran / 1 h / 20 °C

With hydrazine; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; 1,4-dioxane;

Reference yield:

: 6315-89-5
3,4-dimethoxyaniline

: 1273550-59-6
[6-(4-fluoro-phenyl)-1H-pyrazin-(2z)-ylidene]-2-bromo-4,5-dimethoxy-phenyl semicarbazone

Guidance literature:: Multi-step reaction with 3 steps

1: tetra-N-butylammonium tribromide / dichloromethane; methanol / 0.33 h / 20 °C

2: dmap; pyridine / toluene / 4 h / 20 - 90 °C

3: tetrahydrofuran / 1 h / 20 °C

With pyridine; dmap; tetra-N-butylammonium tribromide; In tetrahydrofuran; methanol; dichloromethane; toluene;