3-(3-bromo-5-methylpyridin-2-ylamino)-5-chloro-1-(4-methoxybenzyl)pyrazin-2(1H)-one

Base Information

Chemical Name:3-(3-bromo-5-methylpyridin-2-ylamino)-5-chloro-1-(4-methoxybenzyl)pyrazin-2(1H)-one
CAS No.:934542-59-3
Molecular Formula:C₁₈H₁₆BrClN₄O₂
Molecular Weight:435.708
Hs Code.:

Synonyms:3-(3-bromo-5-methylpyridin-2-ylamino)-5-chloro-1-(4-methoxybenzyl)pyrazin-2(1H)-one

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Chemical Property of 3-(3-bromo-5-methylpyridin-2-ylamino)-5-chloro-1-(4-methoxybenzyl)pyrazin-2(1H)-one

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Technology Process of 3-(3-bromo-5-methylpyridin-2-ylamino)-5-chloro-1-(4-methoxybenzyl)pyrazin-2(1H)-one

There total 2 articles about 3-(3-bromo-5-methylpyridin-2-ylamino)-5-chloro-1-(4-methoxybenzyl)pyrazin-2(1H)-one 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: 56.0%

: 17282-00-7
3-bromo-5-methylpyridin-2-amine

: 393860-82-7
3,5-dichloro-1-(4-methoxybenzyl)pyrazin-2(1H)-one

: 934542-59-3
3-(3-bromo-5-methylpyridin-2-ylamino)-5-chloro-1-(4-methoxybenzyl)pyrazin-2(1H)-one

Guidance literature:: 3-bromo-5-methylpyridin-2-amine; With sodium hydride; In tetrahydrofuran; mineral oil; at 20 ℃; for 1h; Inert atmosphere; Cooling with ice;

3,5-dichloro-1-(4-methoxybenzyl)pyrazin-2(1H)-one; In tetrahydrofuran; mineral oil; at 20 ℃; for 3h; Inert atmosphere; Reflux;
DOI:10.1016/j.tetlet.2010.01.095

Reference yield:

: 2393-23-9
4-methoxy-benzylamine

: 934542-59-3
3-(3-bromo-5-methylpyridin-2-ylamino)-5-chloro-1-(4-methoxybenzyl)pyrazin-2(1H)-one

Guidance literature:: Multi-step reaction with 3 steps

1.1: triethylamine / tetrahydrofuran / 20 °C / Cooling with ice; Inert atmosphere

2.1: chlorobenzene / 0.5 h / 20 °C / Inert atmosphere

2.2: 20 °C / Inert atmosphere

3.1: sodium hydride / tetrahydrofuran; mineral oil / 20 °C / Inert atmosphere; Cooling with ice

3.2: 72 °C / Inert atmosphere

With sodium hydride; triethylamine; In tetrahydrofuran; chlorobenzene; mineral oil;

Reference yield: 81.0%

: 934542-59-3
3-(3-bromo-5-methylpyridin-2-ylamino)-5-chloro-1-(4-methoxybenzyl)pyrazin-2(1H)-one

: 1066-54-2
trimethylsilylacetylene

: 934542-60-6
5-chloro-1-(4-methoxybenzyl)-3-(5-methyl-3-((trimethylsilyl)ethynyl)pyridin-2-ylamino)pyrazin-2(1H)-one

Guidance literature:: With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine; triphenylphosphine; In tetrahydrofuran; at 20 ℃; for 8h; Inert atmosphere;
DOI:10.1016/j.tetlet.2010.01.095