Technology Process of 3-{(2S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]tetrahydrofuran-2-yl}propanoic acid
There total 6 articles about 3-{(2S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]tetrahydrofuran-2-yl}propanoic acid which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
CHIRALPAK AS 50 mm IDx500 mmL; solvent;
In
ethanol; hexane; acetic acid;
at 30 ℃;
Resolution of racemate;
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.25 h / 20 °C / Inert atmosphere
1.2: 1 h / 20 °C / Inert atmosphere
2.1: sodium carbonate / tetrakis(triphenylphosphine) palladium(0) / 1,2-dimethoxyethane / 24 h / 95 - 110 °C / Inert atmosphere
3.1: hydrogen / palladium 10% on activated carbon / ethanol; tetrahydrofuran / 48 h / 20 °C / 760.05 Torr
4.1: ethanol; lithium hydroxide / 4 h / 20 °C
4.2: pH 3
5.1: CHIRALPAK AS 50 mm IDx500 mmL; solvent / hexane; ethanol; acetic acid / 30 °C / Resolution of racemate
With
ethanol; hydrogen; sodium hydride; sodium carbonate; lithium hydroxide;
tetrakis(triphenylphosphine) palladium(0); palladium 10% on activated carbon;
In
tetrahydrofuran; 1,2-dimethoxyethane; ethanol; hexane; acetic acid; N,N-dimethyl-formamide; mineral oil;
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: sodium carbonate / tetrakis(triphenylphosphine) palladium(0) / 1,2-dimethoxyethane / 24 h / 95 - 110 °C / Inert atmosphere
2.1: hydrogen / palladium 10% on activated carbon / ethanol; tetrahydrofuran / 48 h / 20 °C / 760.05 Torr
3.1: ethanol; lithium hydroxide / 4 h / 20 °C
3.2: pH 3
4.1: CHIRALPAK AS 50 mm IDx500 mmL; solvent / hexane; ethanol; acetic acid / 30 °C / Resolution of racemate
With
ethanol; hydrogen; sodium carbonate; lithium hydroxide;
tetrakis(triphenylphosphine) palladium(0); palladium 10% on activated carbon;
In
tetrahydrofuran; 1,2-dimethoxyethane; ethanol; hexane; acetic acid;