Technology Process of (5α,8α)-8-allyl-8-hydroxy-2-[4-((R)-2,2,2-trifluoro-1-methyl-ethoxy)-phenyl]-2-aza-spiro[4.5]decan-1-one
There total 7 articles about (5α,8α)-8-allyl-8-hydroxy-2-[4-((R)-2,2,2-trifluoro-1-methyl-ethoxy)-phenyl]-2-aza-spiro[4.5]decan-1-one which
guide to synthetic route it.
The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:
synthetic route:
- Guidance literature:
-
2-[4-((R)-2,2,2-trifluoro-1-methyl-ethoxy)-phenyl]-2-aza-spiro[4.5]decane-1,8-dione;
With
cerium(III) chloride;
In
tetrahydrofuran;
at 0 ℃;
for 0.666667h;
allylmagnesium bromide;
In
tetrahydrofuran; diethyl ether;
at -78 ℃;
for 0.583333h;
With
ammonium chloride;
In
tetrahydrofuran; diethyl ether; water;
Cooling with ice;
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: hydrogen / palladium 10% on activated carbon / methanol / 12 h / 20 °C
2.1: toluene / 0.17 h / 20 °C
2.2: 18.75 h / 95 °C / Reflux
3.1: sodium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium hydrogencarbonate; potassium bromide / n-heptane; dichloromethane; water; ethyl acetate / 3.67 h / 20 °C
4.1: cerium(III) chloride / tetrahydrofuran; dichloromethane; acetonitrile / 0.67 h / 0 °C
4.2: 0.58 h / -78 °C
4.3: 0 °C
With
sodium hypochlorite; cerium(III) chloride; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; hydrogen; sodium hydrogencarbonate; potassium bromide;
palladium 10% on activated carbon;
In
tetrahydrofuran; methanol; n-heptane; dichloromethane; water; ethyl acetate; toluene; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: sodium hydride / N,N-dimethyl-formamide / 1.5 h / 0 °C
1.2: 13.5 h / 5 - 20 °C
2.1: hydrogen / palladium 10% on activated carbon / methanol / 12 h / 20 °C
3.1: toluene / 0.17 h / 20 °C
3.2: 18.75 h / 95 °C / Reflux
4.1: sodium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium hydrogencarbonate; potassium bromide / n-heptane; dichloromethane; water; ethyl acetate / 3.67 h / 20 °C
5.1: cerium(III) chloride / tetrahydrofuran; dichloromethane; acetonitrile / 0.67 h / 0 °C
5.2: 0.58 h / -78 °C
5.3: 0 °C
With
sodium hypochlorite; cerium(III) chloride; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; hydrogen; sodium hydride; sodium hydrogencarbonate; potassium bromide;
palladium 10% on activated carbon;
In
tetrahydrofuran; methanol; n-heptane; dichloromethane; water; ethyl acetate; N,N-dimethyl-formamide; toluene; acetonitrile;