5,7-bis(5-bromo-3,4-diethylthien-2-yl)-2,3-diphenylthieno[3,4-b]pyrazine

Base Information

Chemical Name:5,7-bis(5-bromo-3,4-diethylthien-2-yl)-2,3-diphenylthieno[3,4-b]pyrazine
CAS No.:1357600-12-4
Molecular Formula:C₃₄H₃₀Br₂N₂S₃
Molecular Weight:722.632
Hs Code.:

Synonyms:5,7-bis(5-bromo-3,4-diethylthien-2-yl)-2,3-diphenylthieno[3,4-b]pyrazine

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Chemical Property of 5,7-bis(5-bromo-3,4-diethylthien-2-yl)-2,3-diphenylthieno[3,4-b]pyrazine

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Technology Process of 5,7-bis(5-bromo-3,4-diethylthien-2-yl)-2,3-diphenylthieno[3,4-b]pyrazine

There total 2 articles about 5,7-bis(5-bromo-3,4-diethylthien-2-yl)-2,3-diphenylthieno[3,4-b]pyrazine 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: 85.0%

: 1357600-11-3
5,7-bis(3,4-diethylthien-2-yl)-2,3-diphenylthieno[3,4-b]pyrazine

: 1357600-12-4
5,7-bis(5-bromo-3,4-diethylthien-2-yl)-2,3-diphenylthieno[3,4-b]pyrazine

Guidance literature:: With N-Bromosuccinimide; acetic acid; In chloroform; at 0 - 20 ℃; for 1h; Darkness; Inert atmosphere;
DOI:10.1039/c2jm13285k

Reference yield:

: 1357600-05-5
3,4:3'',4''-tetraethyl-3'4'-dinitro-2,2':5',2''-terthiophene

: 1357600-12-4
5,7-bis(5-bromo-3,4-diethylthien-2-yl)-2,3-diphenylthieno[3,4-b]pyrazine

Guidance literature:: Multi-step reaction with 3 steps

1: palladium 10% on activated carbon; hydrazine hydrate / ethanol / 2 h / Inert atmosphere

2: methanol / 12 h / 70 °C / Inert atmosphere

3: N-Bromosuccinimide; acetic acid / chloroform / 1 h / 0 - 20 °C / Darkness; Inert atmosphere

With N-Bromosuccinimide; palladium 10% on activated carbon; hydrazine hydrate; acetic acid; In methanol; ethanol; chloroform;
DOI:10.1039/c2jm13285k

Reference yield: 89.0%

: 1351353-50-8
2-(5-(1,3-dioxolan-2-yl)thiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

: 1357600-12-4
5,7-bis(5-bromo-3,4-diethylthien-2-yl)-2,3-diphenylthieno[3,4-b]pyrazine

: 1357600-13-5
5,7-bis(5'-(1,3-dioxolan-2-yl)-3,4-diethyl-2,2'-bithien-5-yl)-2,3-diphenylthieno[3,4-b]pyrazine

Guidance literature:: With tris(dibenzylideneacetone)dipalladium⁽⁰⁾ chloroform complex; potassium phosphate; tri tert-butylphosphoniumtetrafluoroborate; In tetrahydrofuran; water; at 90 ℃; for 0.666667h; Microwave irradiation; Inert atmosphere;
DOI:10.1039/c2jm13285k