Technology Process of 2-phenyl-2-((7R)-1,4-dioxaspiro[4.5]decan-7-yl)acetaldehyde
There total 4 articles about 2-phenyl-2-((7R)-1,4-dioxaspiro[4.5]decan-7-yl)acetaldehyde 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
water; ethyl acetate;
at 4 - 8 ℃;
for 0.75h;
Temperature;
Concentration;
Time;
Large scale;
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: lithium aluminium tetrahydride / tetrahydrofuran; toluene / 1.5 h / 5 - 20 °C / Large scale
1.2: 0.67 h / 13 - 22 °C / Large scale
1.3: 0.33 h / 10 - 20 °C / Large scale
2.1: 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium hydrogencarbonate; potassium bromide; sodium hypochlorite / ethyl acetate; water / 0.75 h / 4 - 8 °C / Large scale
With
sodium hypochlorite; lithium aluminium tetrahydride; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium hydrogencarbonate; potassium bromide;
In
tetrahydrofuran; water; ethyl acetate; toluene;
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: lithium chloride; water / N,N-dimethyl acetamide / 5 h / 120 - 136 °C / Large scale
2.1: n-hexyllithium; diisopropylamine / toluene; hexane / 0.92 h / 5 - 10 °C / Large scale
2.2: 3 h / 10 - 20 °C / Inert atmosphere; Large scale
3.1: lithium aluminium tetrahydride / tetrahydrofuran; toluene / 1.5 h / 5 - 20 °C / Large scale
3.2: 0.67 h / 13 - 22 °C / Large scale
3.3: 0.33 h / 10 - 20 °C / Large scale
4.1: 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium hydrogencarbonate; potassium bromide; sodium hypochlorite / ethyl acetate; water / 0.75 h / 4 - 8 °C / Large scale
With
sodium hypochlorite; lithium aluminium tetrahydride; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; water; n-hexyllithium; sodium hydrogencarbonate; diisopropylamine; lithium chloride; potassium bromide;
In
tetrahydrofuran; hexane; N,N-dimethyl acetamide; water; ethyl acetate; toluene;