Technology Process of 1,2,3,4,5,6-hexafluoro-naphthalene
There total 1 articles about 1,2,3,4,5,6-hexafluoro-naphthalene which
guide to synthetic route it.
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synthetic route:
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(R)-4,4’,5,5’,6,6’,7,7’,8,8’-decafluoro-3,3’-diphenyl-1,1’-bi-2-naphthol
- Guidance literature:
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Multi-step reaction with 7 steps
1.1: bis(2,2,6,6-tetramethylpiperidyl)magnesium-bis(lithium chloride) / tetrahydrofuran / 0 °C / Inert atmosphere
1.2: 0 - 20 °C / Inert atmosphere
1.3: 0.5 h / Inert atmosphere
2.1: potassium bromide; bromine / water; tetrahydrofuran / Inert atmosphere
3.1: potassium carbonate / N,N-dimethyl-formamide / 12 h / Inert atmosphere
4.1: copper / N,N-dimethyl-formamide / 0.5 h / Inert atmosphere
5.1: boron tribromide / dichloromethane / 12 h / 40 °C / Inert atmosphere
6.1: N-benzylcinchonidinium chloride / acetonitrile / 18 h / 0 - 80 °C / Resolution of racemate; Inert atmosphere
7.1: (bis(tricyclohexyl)phosphine)palladium(II) dichloride / tetrahydrofuran / 36 h / -78 - 60 °C / Inert atmosphere
With
(bis(tricyclohexyl)phosphine)palladium(II) dichloride; N-benzylcinchonidinium chloride; bromine; boron tribromide; copper; potassium carbonate; potassium bromide; bis(2,2,6,6-tetramethylpiperidyl)magnesium-bis(lithium chloride);
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1002/chir.22429
- Guidance literature:
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Multi-step reaction with 8 steps
1.1: bis(2,2,6,6-tetramethylpiperidyl)magnesium-bis(lithium chloride) / tetrahydrofuran / 0 °C / Inert atmosphere
1.2: 0 - 20 °C / Inert atmosphere
1.3: 0.5 h / Inert atmosphere
2.1: potassium bromide; bromine / water; tetrahydrofuran / Inert atmosphere
3.1: potassium carbonate / N,N-dimethyl-formamide / 12 h / Inert atmosphere
4.1: copper / N,N-dimethyl-formamide / 0.5 h / Inert atmosphere
5.1: boron tribromide / dichloromethane / 12 h / 40 °C / Inert atmosphere
6.1: N-benzylcinchonidinium chloride / acetonitrile / 18 h / 0 - 80 °C / Resolution of racemate; Inert atmosphere
7.1: (bis(tricyclohexyl)phosphine)palladium(II) dichloride / tetrahydrofuran / 36 h / -78 - 60 °C / Inert atmosphere
8.1: pyridine; trichlorophosphate / 12 h / 0 - 20 °C / Inert atmosphere
With
pyridine; (bis(tricyclohexyl)phosphine)palladium(II) dichloride; N-benzylcinchonidinium chloride; bromine; boron tribromide; copper; potassium carbonate; potassium bromide; bis(2,2,6,6-tetramethylpiperidyl)magnesium-bis(lithium chloride); trichlorophosphate;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1002/chir.22429