Technology Process of (4S,5S)-benzyl 5-[(2S)-2-(tert-butoxycarbonylamino)-3-phenylpropyl]-2,2-dimethyl-4-[4-(trifluoromethylsulfonyloxy)benzyl]oxazolidine-3-carboxylate
There total 8 articles about (4S,5S)-benzyl 5-[(2S)-2-(tert-butoxycarbonylamino)-3-phenylpropyl]-2,2-dimethyl-4-[4-(trifluoromethylsulfonyloxy)benzyl]oxazolidine-3-carboxylate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: tetrahydrofuran; diethyl ether / 16 h / 0 - 20 °C / Inert atmosphere
2.1: sodium tetrahydroborate; methanesulfonic acid / tetrahydrofuran; water / 18 h / -10 °C / Inert atmosphere
2.2: 5 h / 0 - 20 °C / Inert atmosphere
3.1: potassium carbonate / tert-butyl methyl ether / 2 h / 20 °C / Inert atmosphere
4.1: palladium 10% on activated carbon; ammonium formate / tetrahydrofuran / 4 h / Reflux; Inert atmosphere
5.1: N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 68 h / 20 °C / Inert atmosphere
6.1: dmap / dichloromethane / 1 h / Reflux; Inert atmosphere
7.1: toluene-4-sulfonic acid; triethylamine / 1 h / 20 °C / Inert atmosphere
With
dmap; sodium tetrahydroborate; methanesulfonic acid; palladium 10% on activated carbon; ammonium formate; potassium carbonate; toluene-4-sulfonic acid; triethylamine; N-ethyl-N,N-diisopropylamine;
In
tetrahydrofuran; diethyl ether; dichloromethane; tert-butyl methyl ether; water;
DOI:10.1021/jm201109t
- Guidance literature:
-
Multi-step reaction with 5 steps
1: potassium carbonate / tert-butyl methyl ether / 2 h / 20 °C / Inert atmosphere
2: palladium 10% on activated carbon; ammonium formate / tetrahydrofuran / 4 h / Reflux; Inert atmosphere
3: N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 68 h / 20 °C / Inert atmosphere
4: dmap / dichloromethane / 1 h / Reflux; Inert atmosphere
5: toluene-4-sulfonic acid; triethylamine / 1 h / 20 °C / Inert atmosphere
With
dmap; palladium 10% on activated carbon; ammonium formate; potassium carbonate; toluene-4-sulfonic acid; triethylamine; N-ethyl-N,N-diisopropylamine;
In
tetrahydrofuran; dichloromethane; tert-butyl methyl ether;
DOI:10.1021/jm201109t
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: sodium tetrahydroborate; methanesulfonic acid / tetrahydrofuran; water / 18 h / -10 °C / Inert atmosphere
1.2: 5 h / 0 - 20 °C / Inert atmosphere
2.1: potassium carbonate / tert-butyl methyl ether / 2 h / 20 °C / Inert atmosphere
3.1: palladium 10% on activated carbon; ammonium formate / tetrahydrofuran / 4 h / Reflux; Inert atmosphere
4.1: N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 68 h / 20 °C / Inert atmosphere
5.1: dmap / dichloromethane / 1 h / Reflux; Inert atmosphere
6.1: toluene-4-sulfonic acid; triethylamine / 1 h / 20 °C / Inert atmosphere
With
dmap; sodium tetrahydroborate; methanesulfonic acid; palladium 10% on activated carbon; ammonium formate; potassium carbonate; toluene-4-sulfonic acid; triethylamine; N-ethyl-N,N-diisopropylamine;
In
tetrahydrofuran; dichloromethane; tert-butyl methyl ether; water;
DOI:10.1021/jm201109t