Technology Process of 3,5-bis[4-(9H-carbazolyl)phenyl]-2,6-diphenylbenzo[1,2-b:5,4-b']difuran
There total 3 articles about 3,5-bis[4-(9H-carbazolyl)phenyl]-2,6-diphenylbenzo[1,2-b:5,4-b']difuran which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
1,5-dihydroxy-2,4-bis(phenylethynyl)benzene;
With
n-butyllithium;
In
tetrahydrofuran; hexane;
at 0 - 20 ℃;
Inert atmosphere;
With
zinc(II) chloride;
In
tetrahydrofuran; hexane;
at 120 ℃;
for 3h;
Inert atmosphere;
Sealed tube;
N-(4-bromophenyl)carbazole;
With
tris(dibenzylideneacetone)dipalladium(0) chloroform complex; tri-tert-butyl phosphine;
In
tetrahydrofuran; hexane; toluene;
at 20 ℃;
Inert atmosphere;
DOI:10.1002/hc.20682
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: trifluoroacetic acid / dichloromethane / 0.5 h / 0 °C / Inert atmosphere
2.1: n-butyllithium / tetrahydrofuran; hexane / 0 - 20 °C / Inert atmosphere
2.2: 3 h / 120 °C / Inert atmosphere; Sealed tube
2.3: 20 °C / Inert atmosphere
With
n-butyllithium; trifluoroacetic acid;
In
tetrahydrofuran; hexane; dichloromethane;
2.3: Negishi coupling reaction;
DOI:10.1002/hc.20682
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: piperidine; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine; triphenylphosphine / 40 h / 90 °C / Inert atmosphere
2.1: trifluoroacetic acid / dichloromethane / 0.5 h / 0 °C / Inert atmosphere
3.1: n-butyllithium / tetrahydrofuran; hexane / 0 - 20 °C / Inert atmosphere
3.2: 3 h / 120 °C / Inert atmosphere; Sealed tube
3.3: 20 °C / Inert atmosphere
With
piperidine; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); n-butyllithium; triethylamine; triphenylphosphine; trifluoroacetic acid;
In
tetrahydrofuran; hexane; dichloromethane;
3.3: Negishi coupling reaction;
DOI:10.1002/hc.20682