4,8-dibromo-2,6-bis(4-dodecylphenyl)benzo[1,2-d;3,4-d′]bis(oxazole)

Base Information

Chemical Name:4,8-dibromo-2,6-bis(4-dodecylphenyl)benzo[1,2-d;3,4-d′]bis(oxazole)
CAS No.:1443982-38-4
Molecular Formula:C₄₄H₅₈Br₂N₂O₂
Molecular Weight:806.765
Hs Code.:

Synonyms:4,8-dibromo-2,6-bis(4-dodecylphenyl)benzo[1,2-d;3,4-d′]bis(oxazole)

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Chemical Property of 4,8-dibromo-2,6-bis(4-dodecylphenyl)benzo[1,2-d;3,4-d′]bis(oxazole)

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Technology Process of 4,8-dibromo-2,6-bis(4-dodecylphenyl)benzo[1,2-d;3,4-d′]bis(oxazole)

There total 4 articles about 4,8-dibromo-2,6-bis(4-dodecylphenyl)benzo[1,2-d;3,4-d′]bis(oxazole) 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: 68.0%

: 1443982-44-2
4-dodecyl-1-(triethoxymethyl)benzene

: 81534-82-9
3,6-diamino-2,5-dibromo-1,4-hydroquinone

: 1443982-38-4
4,8-dibromo-2,6-bis(4-dodecylphenyl)benzo[1,2-d;3,4-d′]bis(oxazole)

Guidance literature:: 4-dodecyl-1-(triethoxymethyl)benzene; With ytterbium(III) triflate; In tetrahydrofuran; N,N-dimethyl acetamide; at 55 ℃; Schlenk technique; Inert atmosphere;

3,6-diamino-2,5-dibromo-1,4-hydroquinone; With pyridine; In tetrahydrofuran; N,N-dimethyl acetamide; at 55 ℃; for 3h; Schlenk technique; Inert atmosphere;
DOI:10.1021/jo4007927

Reference yield:

: 58928-91-9
2-(4-bromophenyl)-1,3-dithiane

: 1443982-38-4
4,8-dibromo-2,6-bis(4-dodecylphenyl)benzo[1,2-d;3,4-d′]bis(oxazole)

Guidance literature:: Multi-step reaction with 3 steps

1.1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂ / diethyl ether / Inert atmosphere; Cooling with ice; Reflux

2.1: n-butyllithium; N,N,N,N,-tetramethylethylenediamine / hexane; tetrahydrofuran / 1 h / -78 °C / Inert atmosphere

2.2: 3.5 h / -78 - 20 °C / Inert atmosphere

2.3: 24 h / Inert atmosphere

3.1: ytterbium(III) triflate / tetrahydrofuran; N,N-dimethyl acetamide / 55 °C / Schlenk technique; Inert atmosphere

3.2: 3 h / 55 °C / Schlenk technique; Inert atmosphere

With n-butyllithium; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH₂Cl₂; N,N,N,N,-tetramethylethylenediamine; ytterbium(III) triflate; In tetrahydrofuran; diethyl ether; hexane; N,N-dimethyl acetamide; 1.1: |Kumada Cross-Coupling;
DOI:10.1021/jo4007927

Reference yield:

: 1443982-45-3
2-(4-dodecylphenyl)-1,3-dithiane

: 1443982-38-4
4,8-dibromo-2,6-bis(4-dodecylphenyl)benzo[1,2-d;3,4-d′]bis(oxazole)

Guidance literature:: Multi-step reaction with 2 steps

1.1: n-butyllithium; N,N,N,N,-tetramethylethylenediamine / hexane; tetrahydrofuran / 1 h / -78 °C / Inert atmosphere

1.2: 3.5 h / -78 - 20 °C / Inert atmosphere

1.3: 24 h / Inert atmosphere

2.1: ytterbium(III) triflate / tetrahydrofuran; N,N-dimethyl acetamide / 55 °C / Schlenk technique; Inert atmosphere

2.2: 3 h / 55 °C / Schlenk technique; Inert atmosphere

With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; ytterbium(III) triflate; In tetrahydrofuran; hexane; N,N-dimethyl acetamide;
DOI:10.1021/jo4007927