Technology Process of trans-3-[(S)-hydroxy(pyridin-2-yl)methyl]-3-[4-(trifluoromethyl)phenyl]-cyclobutanol
There total 16 articles about trans-3-[(S)-hydroxy(pyridin-2-yl)methyl]-3-[4-(trifluoromethyl)phenyl]-cyclobutanol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: toluene-4-sulfonic acid / toluene / 2 h / 20 °C / Reflux
2.1: potassium hexamethylsilazane / toluene / 24 h / 60 °C
3.1: n-butyllithium / hexane; diethyl ether / 0.75 h / -70 °C
3.2: 2.5 h / -70 - 20 °C
4.1: methanol; sodium tetrahydroborate / dichloromethane / 2.5 h / 20 °C
5.1: hydrogenchloride / water; acetone / 20 °C
6.1: Chiralpak AD column / Resolution of racemate
7.1: methanol; sodium tetrahydroborate / dichloromethane / 1.5 h / 20 °C
8.1: chiral preparative SFC on a Chiralpak Whelk-0 (S,S) column / Resolution of racemate
With
hydrogenchloride; methanol; sodium tetrahydroborate; n-butyllithium; potassium hexamethylsilazane; toluene-4-sulfonic acid;
In
diethyl ether; hexane; dichloromethane; water; acetone; toluene;
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: ruthenium(III) trichloride hydrate; sodium periodate / water; dichloromethane; acetonitrile / 0.17 h / 5 - 20 °C
2.1: toluene-4-sulfonic acid / toluene / 2 h / 20 °C / Reflux
3.1: potassium hexamethylsilazane / toluene / 24 h / 60 °C
4.1: n-butyllithium / hexane; diethyl ether / 0.75 h / -70 °C
4.2: 2.5 h / -70 - 20 °C
5.1: methanol; sodium tetrahydroborate / dichloromethane / 2.5 h / 20 °C
6.1: hydrogenchloride / water; acetone / 20 °C
7.1: Chiralpak AD column / Resolution of racemate
8.1: methanol; sodium tetrahydroborate / dichloromethane / 1.5 h / 20 °C
9.1: chiral preparative SFC on a Chiralpak Whelk-0 (S,S) column / Resolution of racemate
With
hydrogenchloride; methanol; sodium tetrahydroborate; sodium periodate; n-butyllithium; ruthenium(III) trichloride hydrate; potassium hexamethylsilazane; toluene-4-sulfonic acid;
In
diethyl ether; hexane; dichloromethane; water; acetone; toluene; acetonitrile;
- Guidance literature:
-
With
chiral preparative SFC on a Chiralpak Whelk-0 (S,S) column;
Resolution of racemate;