Technology Process of (R)-tert-butyl 3-(2-hydroxyethyl)pyrrolidine-1-carboxylate
There total 4 articles about (R)-tert-butyl 3-(2-hydroxyethyl)pyrrolidine-1-carboxylate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
(R)-3-carboxymethyl-pyrrolidin-1-carboxylic acid tert-butyl ester;
With
borane-THF;
In
tetrahydrofuran;
at 23 - 28 ℃;
for 2.75h;
Inert atmosphere;
With
sodium hydroxide;
In
tetrahydrofuran; water;
at 10 - 25 ℃;
for 1.66667h;
Product distribution / selectivity;
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: potassium tert-butylate / 1-methyl-pyrrolidin-2-one / 35 - 40 °C
1.2: 18 h / 65 °C
1.3: pH 3 - 4
2.1: diethyl malonate; potassium hydroxide / water; tetrahydrofuran / 25 - 45 °C
2.2: 0.5 h / 5 - 10 °C
3.1: dimethyl sulfoxide / toluene / 2 h / Reflux
4.1: borane-THF / tetrahydrofuran / 2.75 h / 23 - 28 °C / Inert atmosphere
4.2: 1.67 h / 10 - 25 °C
With
borane-THF; potassium tert-butylate; dimethyl sulfoxide; diethyl malonate; potassium hydroxide;
In
tetrahydrofuran; 1-methyl-pyrrolidin-2-one; water; toluene;
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: diethyl malonate; potassium hydroxide / water; tetrahydrofuran / 25 - 45 °C
1.2: 0.5 h / 5 - 10 °C
2.1: dimethyl sulfoxide / toluene / 2 h / Reflux
3.1: borane-THF / tetrahydrofuran / 2.75 h / 23 - 28 °C / Inert atmosphere
3.2: 1.67 h / 10 - 25 °C
With
borane-THF; dimethyl sulfoxide; diethyl malonate; potassium hydroxide;
In
tetrahydrofuran; water; toluene;