Technology Process of (2S,3R)-3-(4-carboxyphenyl)pyrrolidine-2-carboxylic acid
There total 10 articles about (2S,3R)-3-(4-carboxyphenyl)pyrrolidine-2-carboxylic acid which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
trifluoroacetic acid;
In
dichloromethane;
at 20 ℃;
for 18h;
Inert atmosphere;
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: 1H-imidazole / dichloromethane / 24 h / 20 °C
2.1: dmap / acetonitrile / 16 h / 20 °C
3.1: lithium hexamethyldisilazane; Phenylselenyl chloride / tetrahydrofuran / -78 °C
3.2: 0 - 20 °C
4.1: tert.-butyl lithium / diethyl ether / 0.58 h / -78 °C / Inert atmosphere
4.2: 1.92 h / -78 - -42 °C / Inert atmosphere
5.1: borane-THF / tetrahydrofuran / 18 h / Reflux; Inert atmosphere
5.2: 2 h / 0 °C
5.3: 2.5 h / 0 - 20 °C
6.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 18 h / 20 °C / Inert atmosphere
7.1: sodium periodate; ruthenium trichloride / ethyl acetate; water; acetonitrile / 1.83 h / 0 °C
8.1: trifluoroacetic acid / dichloromethane / 18 h / 20 °C / Inert atmosphere
With
1H-imidazole; dmap; ruthenium trichloride; sodium periodate; Phenylselenyl chloride; borane-THF; tetrabutyl ammonium fluoride; tert.-butyl lithium; trifluoroacetic acid; lithium hexamethyldisilazane;
In
tetrahydrofuran; diethyl ether; dichloromethane; water; ethyl acetate; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: dmap / acetonitrile / 16 h / 20 °C
2.1: lithium hexamethyldisilazane; Phenylselenyl chloride / tetrahydrofuran / -78 °C
2.2: 0 - 20 °C
3.1: tert.-butyl lithium / diethyl ether / 0.58 h / -78 °C / Inert atmosphere
3.2: 1.92 h / -78 - -42 °C / Inert atmosphere
4.1: borane-THF / tetrahydrofuran / 18 h / Reflux; Inert atmosphere
4.2: 2 h / 0 °C
4.3: 2.5 h / 0 - 20 °C
5.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 18 h / 20 °C / Inert atmosphere
6.1: sodium periodate; ruthenium trichloride / ethyl acetate; water; acetonitrile / 1.83 h / 0 °C
7.1: trifluoroacetic acid / dichloromethane / 18 h / 20 °C / Inert atmosphere
With
dmap; ruthenium trichloride; sodium periodate; Phenylselenyl chloride; borane-THF; tetrabutyl ammonium fluoride; tert.-butyl lithium; trifluoroacetic acid; lithium hexamethyldisilazane;
In
tetrahydrofuran; diethyl ether; dichloromethane; water; ethyl acetate; acetonitrile;