Technology Process of (2S,5S)-5-benzyloxymethyl-1-tert-butoxycarbonyl-2-hydroxymethylpyrrolidine
There total 30 articles about (2S,5S)-5-benzyloxymethyl-1-tert-butoxycarbonyl-2-hydroxymethylpyrrolidine which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 98 percent / 4-dimethylaminopyridine / acetonitrile; triethylamine / 3 h / Ambient temperature
2: diisobutylaluminium hydride / hexane; tetrahydrofuran / 1 h / -78 °C
3: pyridinium p-toluenesulfonate / 3 h / Ambient temperature
4: 66 percent / boron trifluoride etherate / CH2Cl2 / 1 h / -78 °C
5: 63 percent / diisobutylaluminium hydride / toluene / 1 h / -78 °C
6: 1.) potassium carbonate; 2.) sodium borohydride / 1.) methanol, reflux, 2 h; 2.) methanol, room temp., 30 min
With
dmap; sodium tetrahydroborate; boron trifluoride diethyl etherate; pyridinium p-toluenesulfonate; diisobutylaluminium hydride; potassium carbonate;
In
tetrahydrofuran; hexane; dichloromethane; triethylamine; toluene; acetonitrile;
DOI:10.1016/S0040-4020(01)80643-8
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 96 percent / NaH / dimethylformamide; paraffin / 1 h / Ambient temperature
2: 83 percent / ammonium cerium(IV) nitrate / acetonitrile; H2O / 2 h / Ambient temperature
3: 98 percent / 4-dimethylaminopyridine / acetonitrile; triethylamine / 3 h / Ambient temperature
4: diisobutylaluminium hydride / hexane; tetrahydrofuran / 1 h / -78 °C
5: pyridinium p-toluenesulfonate / 3 h / Ambient temperature
6: 66 percent / boron trifluoride etherate / CH2Cl2 / 1 h / -78 °C
7: 63 percent / diisobutylaluminium hydride / toluene / 1 h / -78 °C
8: 1.) potassium carbonate; 2.) sodium borohydride / 1.) methanol, reflux, 2 h; 2.) methanol, room temp., 30 min
With
dmap; sodium tetrahydroborate; ammonium cerium(IV) nitrate; boron trifluoride diethyl etherate; pyridinium p-toluenesulfonate; sodium hydride; diisobutylaluminium hydride; potassium carbonate;
In
tetrahydrofuran; hexane; dichloromethane; water; triethylamine; N,N-dimethyl-formamide; toluene; acetonitrile; paraffin;
DOI:10.1016/S0040-4020(01)80643-8
- Guidance literature:
-
Multi-step reaction with 6 steps
1: diisobutylaluminium hydride / hexane; tetrahydrofuran / -78 deg C, 1 h, then 0 deg C, 2 h
2: pyridinium p-toluenesulfonate / 12 h / Ambient temperature
3: NaH / paraffin; dimethylformamide / 1 h / Ambient temperature
4: 66 percent / boron trifluoride etherate / CH2Cl2 / 1 h / -78 °C
5: 63 percent / diisobutylaluminium hydride / toluene / 1 h / -78 °C
6: 1.) potassium carbonate; 2.) sodium borohydride / 1.) methanol, reflux, 2 h; 2.) methanol, room temp., 30 min
With
sodium tetrahydroborate; boron trifluoride diethyl etherate; pyridinium p-toluenesulfonate; sodium hydride; diisobutylaluminium hydride; potassium carbonate;
In
tetrahydrofuran; hexane; dichloromethane; N,N-dimethyl-formamide; toluene; paraffin;
DOI:10.1016/S0040-4020(01)80643-8