Technology Process of 4-(2',6'-bis(octyloxy)biphenyl-4-yl)-4H-dithieno[3,2-b:2',3'-d]pyrrole-2-carbaldehyde
There total 5 articles about 4-(2',6'-bis(octyloxy)biphenyl-4-yl)-4H-dithieno[3,2-b:2',3'-d]pyrrole-2-carbaldehyde which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
4-(2',6'-bis(octyloxy)biphenyl-4-yl)-4H-dithieno[3,2-b:2',3'-d]pyrrole; N,N-dimethyl-formamide;
With
trichlorophosphate;
at 20 ℃;
for 10h;
Inert atmosphere;
With
water; sodium acetate;
at 20 ℃;
DOI:10.1002/adfm.201203348
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: sodium t-butanolate; tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl / toluene / 20 h / Inert atmosphere; Reflux
2.1: trichlorophosphate / 10 h / 20 °C / Inert atmosphere
2.2: 20 °C
With
tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; sodium t-butanolate; trichlorophosphate;
In
toluene;
1.1: |Buchwald-Hartwig Coupling / 2.1: |Vilsmeier-Haack Formylation;
DOI:10.1002/adfm.201203348
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: potassium carbonate / acetone / Inert atmosphere; Reflux
2.1: palladium diacetate; potassium phosphate; dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane / 1,4-dioxane; water / 24 h / 45 °C / Inert atmosphere
3.1: sodium t-butanolate; tris-(dibenzylideneacetone)dipalladium(0); 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl / toluene / 20 h / Inert atmosphere; Reflux
4.1: trichlorophosphate / 10 h / 20 °C / Inert atmosphere
4.2: 20 °C
With
dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium phosphate; tris-(dibenzylideneacetone)dipalladium(0); palladium diacetate; potassium carbonate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; sodium t-butanolate; trichlorophosphate;
In
1,4-dioxane; water; acetone; toluene;
3.1: |Buchwald-Hartwig Coupling / 4.1: |Vilsmeier-Haack Formylation;
DOI:10.1002/adfm.201203348