Technology Process of 2-(4-trifluoromethoxy-phenyl)-2-aza-spiro[4.5]decane-1,8-dione
There total 7 articles about 2-(4-trifluoromethoxy-phenyl)-2-aza-spiro[4.5]decane-1,8-dione which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
sodium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium hydrogencarbonate; potassium bromide;
In
dichloromethane; water;
at 20 ℃;
for 1h;
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: lithium diisopropyl amide / tetrahydrofuran / 3.15 h / -5 - 0 °C
1.2: 12.5 h / -5 - 20 °C
2.1: hydrogenchloride; water / 2.75 h / 0 - 20 °C / pH 1
3.1: lithium tri-sec-butyl(hydrido)borate / tetrahydrofuran / 7 h / -78 °C
3.2: 1 h / 0 °C
4.1: toluene / 0.17 h / 20 °C
4.2: Reflux
5.1: sodium hydrogencarbonate; sodium hypochlorite; potassium bromide; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical / dichloromethane; water / 1 h / 20 °C
With
hydrogenchloride; sodium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; water; sodium hydrogencarbonate; lithium tri-sec-butyl(hydrido)borate; potassium bromide; lithium diisopropyl amide;
In
tetrahydrofuran; dichloromethane; water; toluene;
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: toluene-4-sulfonic acid / toluene / Reflux
2.1: lithium diisopropyl amide / tetrahydrofuran / 3.15 h / -5 - 0 °C
2.2: 12.5 h / -5 - 20 °C
3.1: hydrogenchloride; water / 2.75 h / 0 - 20 °C / pH 1
4.1: lithium tri-sec-butyl(hydrido)borate / tetrahydrofuran / 7 h / -78 °C
4.2: 1 h / 0 °C
5.1: toluene / 0.17 h / 20 °C
5.2: Reflux
6.1: sodium hydrogencarbonate; sodium hypochlorite; potassium bromide; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical / dichloromethane; water / 1 h / 20 °C
With
hydrogenchloride; sodium hypochlorite; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; water; sodium hydrogencarbonate; toluene-4-sulfonic acid; lithium tri-sec-butyl(hydrido)borate; potassium bromide; lithium diisopropyl amide;
In
tetrahydrofuran; dichloromethane; water; toluene;