4,7-bis(5-phenylthiophen-2-yl)-2-(pyridin-4-yl)-2H-benzo[d][1,2,3]triazole

Base Information

Chemical Name:4,7-bis(5-phenylthiophen-2-yl)-2-(pyridin-4-yl)-2H-benzo[d][1,2,3]triazole
CAS No.:1428418-21-6
Molecular Formula:C₃₁H₂₀N₄S₂
Molecular Weight:512.659
Hs Code.:

Synonyms:4,7-bis(5-phenylthiophen-2-yl)-2-(pyridin-4-yl)-2H-benzo[d][1,2,3]triazole

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Chemical Property of 4,7-bis(5-phenylthiophen-2-yl)-2-(pyridin-4-yl)-2H-benzo[d][1,2,3]triazole

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Technology Process of 4,7-bis(5-phenylthiophen-2-yl)-2-(pyridin-4-yl)-2H-benzo[d][1,2,3]triazole

There total 5 articles about 4,7-bis(5-phenylthiophen-2-yl)-2-(pyridin-4-yl)-2H-benzo[d][1,2,3]triazole 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: 87.0%

: 1428418-07-8
4,7-dibromo-2-(pyridin-4-yl)-2H-benzo[d][1,2,3]triazole

: 137937-89-4
tri-n-butyl(5-phenylthiophen-2-yl)stannane

: 1428418-21-6
4,7-bis(5-phenylthiophen-2-yl)-2-(pyridin-4-yl)-2H-benzo[d][1,2,3]triazole

Guidance literature:: With bis-triphenylphosphine-palladium(II) chloride; In N,N-dimethyl-formamide; at 75 ℃; for 20h; Inert atmosphere;

Reference yield:

: 1024526-80-4
2-(pyridin-4-yl)-2H-benzo[d][1,2,3]triazole

: 1428418-21-6
4,7-bis(5-phenylthiophen-2-yl)-2-(pyridin-4-yl)-2H-benzo[d][1,2,3]triazole

Guidance literature:: Multi-step reaction with 2 steps

1: bromine; hydrogen bromide / 40 h / 120 °C

2: bis-triphenylphosphine-palladium(II) chloride / N,N-dimethyl-formamide / 20 h / 75 °C / Inert atmosphere

With bis-triphenylphosphine-palladium(II) chloride; hydrogen bromide; bromine; In N,N-dimethyl-formamide;

Reference yield:

: 7379-35-3
4-chlorpyridine hydrochloride

: 1428418-21-6
4,7-bis(5-phenylthiophen-2-yl)-2-(pyridin-4-yl)-2H-benzo[d][1,2,3]triazole

Guidance literature:: Multi-step reaction with 3 steps

1: potassium carbonate / dichloromethane / 72 h / 130 °C / Inert atmosphere

2: bromine; hydrogen bromide / 40 h / 120 °C

3: bis-triphenylphosphine-palladium(II) chloride / N,N-dimethyl-formamide / 20 h / 75 °C / Inert atmosphere

With bis-triphenylphosphine-palladium(II) chloride; hydrogen bromide; bromine; potassium carbonate; In dichloromethane; N,N-dimethyl-formamide;