tert-butyl 2-(4-(6-bromo-4-methyl-3-oxo-3,4-dihydropyrazin-2-ylamino)phenyl)-4-methyl-3-oxopiperazine-1-carboxylate

Base Information

Chemical Name:tert-butyl 2-(4-(6-bromo-4-methyl-3-oxo-3,4-dihydropyrazin-2-ylamino)phenyl)-4-methyl-3-oxopiperazine-1-carboxylate
CAS No.:1361940-91-1
Molecular Formula:C₂₁H₂₆BrN₅O₄
Molecular Weight:492.373
Hs Code.:

Synonyms:tert-butyl 2-(4-(6-bromo-4-methyl-3-oxo-3,4-dihydropyrazin-2-ylamino)phenyl)-4-methyl-3-oxopiperazine-1-carboxylate

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Chemical Property of tert-butyl 2-(4-(6-bromo-4-methyl-3-oxo-3,4-dihydropyrazin-2-ylamino)phenyl)-4-methyl-3-oxopiperazine-1-carboxylate

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Technology Process of tert-butyl 2-(4-(6-bromo-4-methyl-3-oxo-3,4-dihydropyrazin-2-ylamino)phenyl)-4-methyl-3-oxopiperazine-1-carboxylate

There total 4 articles about tert-butyl 2-(4-(6-bromo-4-methyl-3-oxo-3,4-dihydropyrazin-2-ylamino)phenyl)-4-methyl-3-oxopiperazine-1-carboxylate 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: 60.0%

: 1361940-90-0
tert-butyl 2-(4-aminophenyl)-4-methyl-3-oxopiperazine-l-carboxylate

: 87486-34-8
3,5-dibromo-1-methyl-1,2-dihydropyrazin-2-one

: 1361940-91-1
tert-butyl 2-(4-(6-bromo-4-methyl-3-oxo-3,4-dihydropyrazin-2-ylamino)phenyl)-4-methyl-3-oxopiperazine-1-carboxylate

Guidance literature:: tert-butyl 2-(4-aminophenyl)-4-methyl-3-oxopiperazine-l-carboxylate; 3,5-dibromo-1-methyl-1,2-dihydropyrazin-2-one; With caesium carbonate; In 1,4-dioxane; for 0.5h; Inert atmosphere;

With 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; bis(dibenzylideneacetone)-palladium⁽⁰⁾; In 1,4-dioxane; for 18h; Reflux;

Reference yield:

: 79547-05-0
ethyl (4-nitrophenyl)pyruvate

: 1361940-91-1
tert-butyl 2-(4-(6-bromo-4-methyl-3-oxo-3,4-dihydropyrazin-2-ylamino)phenyl)-4-methyl-3-oxopiperazine-1-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1.1: methanol / 18 h / 0 - 20 °C / Inert atmosphere

2.1: sodium cyanoborohydride; zinc(II) chloride / methanol / 1 h / 20 °C / Inert atmosphere

2.2: 18 h / 20 °C

3.1: hydrogen / palladium 10% on activated carbon / ethanol / 18 h / 20 °C / 2585.81 Torr / Inert atmosphere

4.1: caesium carbonate / 1,4-dioxane / 0.5 h / Inert atmosphere

4.2: 18 h / Reflux

With hydrogen; sodium cyanoborohydride; caesium carbonate; zinc(II) chloride; palladium 10% on activated carbon; In 1,4-dioxane; methanol; ethanol;

Reference yield:

: 1361940-89-7
tert-butyl 4-methyl-2-(4-nitrophenyl)-3-oxopiperazine-1-carboxylate

: 1361940-91-1
tert-butyl 2-(4-(6-bromo-4-methyl-3-oxo-3,4-dihydropyrazin-2-ylamino)phenyl)-4-methyl-3-oxopiperazine-1-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1.1: hydrogen / palladium 10% on activated carbon / ethanol / 18 h / 20 °C / 2585.81 Torr / Inert atmosphere

2.1: caesium carbonate / 1,4-dioxane / 0.5 h / Inert atmosphere

2.2: 18 h / Reflux

With hydrogen; caesium carbonate; palladium 10% on activated carbon; In 1,4-dioxane; ethanol;