Technology Process of tert-butyl (R)-2-[2-(2-nitrophenylselenyl)ethyl]piperidine-1-carboxylate
There total 11 articles about tert-butyl (R)-2-[2-(2-nitrophenylselenyl)ethyl]piperidine-1-carboxylate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 10 steps
1: NaN3 / dimethylformamide / 1 h / 100 °C
2: formic acid / diethyl ether / 1 h / 0 °C
3: pyridinium chlorochromate; NaOAc; molecular sieves 4 Angstroem / CH2Cl2 / 15 h / 20 °C
4: NaClO2; 2-methyl-2-butene; NaH2PO4*2H2O / H2O; 2-methyl-propan-2-ol / 1 h / cooling
5: H2 / Pd(OH)2/C / ethanol / 4 h / 20 °C
6: toluene / 1 h / Heating
7: DIBAL-H / CH2Cl2; toluene / 1 h / 0 °C
8: aq. K2CO3 / tetrahydrofuran / 2 h / 0 °C
9: (n-Bu)4NF / tetrahydrofuran / 8 h / 0 °C
10: (n-Bu)3P / tetrahydrofuran / 12 h / 20 °C
With
sodium chlorite; sodium dihydrogenphosphate; formic acid; sodium azide; 2-methyl-but-2-ene; tributylphosphine; 4 A molecular sieve; tetrabutyl ammonium fluoride; hydrogen; sodium acetate; diisobutylaluminium hydride; potassium carbonate; pyridinium chlorochromate;
palladium dihydroxide;
In
tetrahydrofuran; diethyl ether; ethanol; dichloromethane; water; N,N-dimethyl-formamide; toluene; tert-butyl alcohol;
DOI:10.1271/bbb.69.1589
- Guidance literature:
-
Multi-step reaction with 9 steps
1: formic acid / diethyl ether / 1 h / 0 °C
2: pyridinium chlorochromate; NaOAc; molecular sieves 4 Angstroem / CH2Cl2 / 15 h / 20 °C
3: NaClO2; 2-methyl-2-butene; NaH2PO4*2H2O / H2O; 2-methyl-propan-2-ol / 1 h / cooling
4: H2 / Pd(OH)2/C / ethanol / 4 h / 20 °C
5: toluene / 1 h / Heating
6: DIBAL-H / CH2Cl2; toluene / 1 h / 0 °C
7: aq. K2CO3 / tetrahydrofuran / 2 h / 0 °C
8: (n-Bu)4NF / tetrahydrofuran / 8 h / 0 °C
9: (n-Bu)3P / tetrahydrofuran / 12 h / 20 °C
With
sodium chlorite; sodium dihydrogenphosphate; formic acid; 2-methyl-but-2-ene; tributylphosphine; 4 A molecular sieve; tetrabutyl ammonium fluoride; hydrogen; sodium acetate; diisobutylaluminium hydride; potassium carbonate; pyridinium chlorochromate;
palladium dihydroxide;
In
tetrahydrofuran; diethyl ether; ethanol; dichloromethane; water; toluene; tert-butyl alcohol;
DOI:10.1271/bbb.69.1589
- Guidance literature:
-
Multi-step reaction with 8 steps
1: pyridinium chlorochromate; NaOAc; molecular sieves 4 Angstroem / CH2Cl2 / 15 h / 20 °C
2: NaClO2; 2-methyl-2-butene; NaH2PO4*2H2O / H2O; 2-methyl-propan-2-ol / 1 h / cooling
3: H2 / Pd(OH)2/C / ethanol / 4 h / 20 °C
4: toluene / 1 h / Heating
5: DIBAL-H / CH2Cl2; toluene / 1 h / 0 °C
6: aq. K2CO3 / tetrahydrofuran / 2 h / 0 °C
7: (n-Bu)4NF / tetrahydrofuran / 8 h / 0 °C
8: (n-Bu)3P / tetrahydrofuran / 12 h / 20 °C
With
sodium chlorite; sodium dihydrogenphosphate; 2-methyl-but-2-ene; tributylphosphine; 4 A molecular sieve; tetrabutyl ammonium fluoride; hydrogen; sodium acetate; diisobutylaluminium hydride; potassium carbonate; pyridinium chlorochromate;
palladium dihydroxide;
In
tetrahydrofuran; ethanol; dichloromethane; water; toluene; tert-butyl alcohol;
DOI:10.1271/bbb.69.1589