Technology Process of (2S,4S,5R)-2-(3-hydroxypropyl)-5-(4-methoxyphenyl)piperidin-4-ol
There total 9 articles about (2S,4S,5R)-2-(3-hydroxypropyl)-5-(4-methoxyphenyl)piperidin-4-ol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
3-((2R,4S,5S)-4-hydroxy-5-(4-methoxyphenyl)-N-hydroxypiperidin-2-yl)propyl acetate;
With
titanium(III) chloride;
In
methanol; water;
at 0 ℃;
for 4h;
Inert atmosphere;
With
water; sodium hydroxide;
Inert atmosphere;
DOI:10.1039/c2ob25689d
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: N1,N1-dimethyl-N2-(((S)-pyrrolidin-2-yl)methyl)ethane-1,2-diamine; toluene-4-sulfonic acid / N,N-dimethyl-formamide / 48 h / 20 °C / Inert atmosphere
2.1: disodium phosphate heptahydrate; 3-chloro-benzenecarboperoxoic acid / dichloromethane / 16 h / 20 °C / Inert atmosphere
3.1: sodium tetrahydroborate / ethanol / 3 h / 20 °C / Inert atmosphere
4.1: collidine / dichloromethane / 4 h / -78 °C / Inert atmosphere
5.1: iodine / acetone / 1 h / 20 °C / Inert atmosphere
6.1: ammonium chloride; zinc / tetrahydrofuran; water / 3 h / 20 °C / Inert atmosphere
7.1: acetic acid; tetramethylammonium triacetoxyborohydride / acetonitrile / 1 h / 0 °C / Inert atmosphere
8.1: titanium(III) chloride / methanol; water / 4 h / 0 °C / Inert atmosphere
8.2: Inert atmosphere
With
N1,N1-dimethyl-N2-(((S)-pyrrolidin-2-yl)methyl)ethane-1,2-diamine; sodium tetrahydroborate; titanium(III) chloride; disodium phosphate heptahydrate; iodine; ammonium chloride; toluene-4-sulfonic acid; acetic acid; 3-chloro-benzenecarboperoxoic acid; tetramethylammonium triacetoxyborohydride; zinc;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; water; N,N-dimethyl-formamide; acetone; acetonitrile;
1.1: Michael condensation / 2.1: Baeyer-Villiger oxidation;
DOI:10.1039/c2ob25689d
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: disodium phosphate heptahydrate; 3-chloro-benzenecarboperoxoic acid / dichloromethane / 16 h / 20 °C / Inert atmosphere
2.1: sodium tetrahydroborate / ethanol / 3 h / 20 °C / Inert atmosphere
3.1: collidine / dichloromethane / 4 h / -78 °C / Inert atmosphere
4.1: iodine / acetone / 1 h / 20 °C / Inert atmosphere
5.1: ammonium chloride; zinc / tetrahydrofuran; water / 3 h / 20 °C / Inert atmosphere
6.1: acetic acid; tetramethylammonium triacetoxyborohydride / acetonitrile / 1 h / 0 °C / Inert atmosphere
7.1: titanium(III) chloride / methanol; water / 4 h / 0 °C / Inert atmosphere
7.2: Inert atmosphere
With
sodium tetrahydroborate; titanium(III) chloride; disodium phosphate heptahydrate; iodine; ammonium chloride; acetic acid; 3-chloro-benzenecarboperoxoic acid; tetramethylammonium triacetoxyborohydride; zinc;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; water; acetone; acetonitrile;
1.1: Baeyer-Villiger oxidation;
DOI:10.1039/c2ob25689d