Technology Process of 2,8-bis(ethoxycarbonyl)-5,5-difluoro-10-(2'-(3-methoxyprop-1-yn-1-yl)-5'-methyl-2-nitro-[1,1'-biphenyl]-4-yl)-1,3,7,9-tetramethyl-5H-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-4-ium-5-uide
There total 11 articles about 2,8-bis(ethoxycarbonyl)-5,5-difluoro-10-(2'-(3-methoxyprop-1-yn-1-yl)-5'-methyl-2-nitro-[1,1'-biphenyl]-4-yl)-1,3,7,9-tetramethyl-5H-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-4-ium-5-uide which
guide to synthetic route it.
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synthetic route:
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1354546-95-4
2,8-bis(ethoxycarbonyl)-5,5-difluoro-10-(2'-(3-methoxyprop-1-yn-1-yl)-5'-methyl-2-nitro-[1,1'-biphenyl]-4-yl)-1,3,7,9-tetramethyl-5H-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-4-ium-5-uide
- Guidance literature:
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2,4-dimethyl-1H-pyrrole-3-carboxylic acid ethyl ester; 2’-(3-methoxyprop-1-yn-1-yl)-5’-methyl-2-nitro-[1,1’-biphenyl]-4-carbaldehyde;
With
trifluoroacetic acid;
In
dichloromethane;
at 20 ℃;
Inert atmosphere;
With
2,3-dicyano-5,6-dichloro-p-benzoquinone;
In
dichloromethane;
for 0.333333h;
Inert atmosphere;
With
boron trifluoride diethyl etherate; triethylamine;
In
toluene;
at 20 ℃;
for 0.5h;
Inert atmosphere;
DOI:10.1039/c1cc16128h
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1354546-95-4
2,8-bis(ethoxycarbonyl)-5,5-difluoro-10-(2'-(3-methoxyprop-1-yn-1-yl)-5'-methyl-2-nitro-[1,1'-biphenyl]-4-yl)-1,3,7,9-tetramethyl-5H-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-4-ium-5-uide
- Guidance literature:
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Multi-step reaction with 4 steps
1.1: sodium hydride / tetrahydrofuran; mineral oil / 0.5 h / 0 °C
1.2: 12 h / 20 °C
2.1: n-butyllithium / tetrahydrofuran / 0.5 h / -78 °C
2.2: trialkoxy borane / 16 h / 20 °C
3.1: tetrakis(triphenylphosphine) palladium(0); potassium carbonate / ethanol; water; toluene / 24 h / 80 °C / Inert atmosphere
4.1: trifluoroacetic acid / dichloromethane / 20 °C / Inert atmosphere
4.2: 0.33 h / Inert atmosphere
4.3: 0.5 h / 20 °C / Inert atmosphere
With
tetrakis(triphenylphosphine) palladium(0); n-butyllithium; sodium hydride; potassium carbonate; trifluoroacetic acid;
In
tetrahydrofuran; ethanol; dichloromethane; water; toluene; mineral oil;
DOI:10.1039/c1cc16128h
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-
1354546-95-4
2,8-bis(ethoxycarbonyl)-5,5-difluoro-10-(2'-(3-methoxyprop-1-yn-1-yl)-5'-methyl-2-nitro-[1,1'-biphenyl]-4-yl)-1,3,7,9-tetramethyl-5H-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinin-4-ium-5-uide
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: n-butyllithium / tetrahydrofuran / 0.5 h / -78 °C
1.2: trialkoxy borane / 16 h / 20 °C
2.1: tetrakis(triphenylphosphine) palladium(0); potassium carbonate / ethanol; water; toluene / 24 h / 80 °C / Inert atmosphere
3.1: trifluoroacetic acid / dichloromethane / 20 °C / Inert atmosphere
3.2: 0.33 h / Inert atmosphere
3.3: 0.5 h / 20 °C / Inert atmosphere
With
tetrakis(triphenylphosphine) palladium(0); n-butyllithium; potassium carbonate; trifluoroacetic acid;
In
tetrahydrofuran; ethanol; dichloromethane; water; toluene;
DOI:10.1039/c1cc16128h