Technology Process of Ethyl 7-oxospiro[3.5]nonane-6-carboxylate
There total 5 articles about Ethyl 7-oxospiro[3.5]nonane-6-carboxylate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
sodium hydride;
In
tetrahydrofuran;
at 0 ℃;
for 4h;
Heating / reflux;
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: lithiumaluminum hydride bis(tetrahydrofuran) / tetrahydrofuran; toluene / 2.75 h / -20 - 0 °C
2.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 1.5 h / -80 °C
2.2: 5 h / -80 - 10 °C
3.1: lithium chloride; N-ethyl-N,N-diisopropylamine / acetonitrile / 16 h / 20 °C
4.1: palladium 10% on activated carbon; hydrogen / ethyl acetate / 48 h
5.1: potassium tert-butylate / tetrahydrofuran / 1 h / Reflux
With
oxalyl dichloride; lithiumaluminum hydride bis(tetrahydrofuran); palladium 10% on activated carbon; potassium tert-butylate; hydrogen; dimethyl sulfoxide; N-ethyl-N,N-diisopropylamine; lithium chloride;
In
tetrahydrofuran; dichloromethane; ethyl acetate; toluene; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: oxalyl dichloride; dimethyl sulfoxide / dichloromethane / 1.5 h / -80 °C
1.2: 5 h / -80 - 10 °C
2.1: lithium chloride; N-ethyl-N,N-diisopropylamine / acetonitrile / 16 h / 20 °C
3.1: palladium 10% on activated carbon; hydrogen / ethyl acetate / 48 h
4.1: potassium tert-butylate / tetrahydrofuran / 1 h / Reflux
With
oxalyl dichloride; palladium 10% on activated carbon; potassium tert-butylate; hydrogen; dimethyl sulfoxide; N-ethyl-N,N-diisopropylamine; lithium chloride;
In
tetrahydrofuran; dichloromethane; ethyl acetate; acetonitrile;