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(S)-Alaninol
di-tert-butyl dicarbonate
(S)-2-t-butoxycarbonylaminopropan-1-ol
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane at 20℃; for 3h; | 100% |
With triethylamine In methanol at 20℃; for 12h; | 100% |
With triethylamine In tetrahydrofuran at 0 - 20℃; for 12h; | 100% |
(S)-N-(tert-butoxycarbonyl)alanine methyl ester
(S)-2-t-butoxycarbonylaminopropan-1-ol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In tetrahydrofuran; methanol at 65℃; for 1h; | 100% |
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; | 97% |
With RuH(η1-BH4)(dppp)((R,R)-dpen); hydrogen In tetrahydrofuran at 80℃; under 37503.8 Torr; for 16h; Autoclave; | 96% |
(S)-2-aminobutan-1-ol
di-tert-butyl dicarbonate
(S)-2-t-butoxycarbonylaminopropan-1-ol
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0 - 20℃; for 6h; Inert atmosphere; | 97% |
L-N-Boc-Ala
(S)-2-t-butoxycarbonylaminopropan-1-ol
Conditions | Yield |
---|---|
With borane-THF In tetrahydrofuran at 0℃; other substrates, also with LiAlH4 and DIBAL; | 95% |
With borane-THF In tetrahydrofuran at 0℃; | 95% |
Stage #1: L-N-Boc-Ala With 4-methyl-morpholine; 1,3,5-trichloro-2,4,6-triazine In 1,2-dimethoxyethane at 20℃; for 3h; Esterification; Stage #2: With sodium tetrahydroborate In water at 0℃; Reduction; | 90% |
N-(tert-butoxycarbonyl)-L-alanine pentachlorophenyl ester
(S)-2-t-butoxycarbonylaminopropan-1-ol
Conditions | Yield |
---|---|
With sodium tetrahydroborate; iodine In tetrahydrofuran at 20℃; Reduction; | 89% |
(S)-tert-butyl 1-(tert-butyldimethylsilyloxy)propan-2-ylcarbamate
(S)-2-t-butoxycarbonylaminopropan-1-ol
Conditions | Yield |
---|---|
With sodium hydrogen sulfate; silica gel In dichloromethane at 20℃; for 0.5h; | 89% |
D-Alanine
di-tert-butyl dicarbonate
(S)-2-t-butoxycarbonylaminopropan-1-ol
Conditions | Yield |
---|---|
Stage #1: D-Alanine With lithium aluminium tetrahydride In tetrahydrofuran for 12h; Reflux; Stage #2: di-tert-butyl dicarbonate In tetrahydrofuran; dichloromethane; water at 60℃; for 6h; | 63% |
(-)-tert-butyl [(1S)-1-methylprop-2-en-1-yl]carbamate
(S)-2-t-butoxycarbonylaminopropan-1-ol
Conditions | Yield |
---|---|
Yield given. Multistep reaction; | |
Multi-step reaction with 2 steps 1.1: potassium osmate(VI) dihydrate; 4-methylmorpholine N-oxide / water; acetone / 16 h / 20 °C 1.2: 20 °C 2.1: sodium tetrahydroborate / diethyl ether; methanol / 20 °C View Scheme |
(S)-2-t-butoxycarbonylaminopropan-1-ol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In methanol Yield given; |
Boc-Ala-O-N-hydroxysuccinimide
(S)-2-t-butoxycarbonylaminopropan-1-ol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In tetrahydrofuran at 20℃; for 2.5h; | |
With sodium tetrahydroborate In water at 0℃; | 0.28 g |
Molecular structure of N-Boc-L-alaninol (CAS NO.79069-13-9) is:
Product Name: N-Boc-L-alaninol
CAS Registry Number: 79069-13-9
IUPAC Name: tert-Butyl N-[(2S)-1-hydroxypropan-2-yl]carbamate
Molecular Formula: C8H17NO3
Molecular Weight: 175.2255
Density: 1.025 g/cm3
Melting Point: 58-61 °C
Boiling Point: 276.4 °C at 760 mmHg
Flash Point: 121 °C
Freely Rotating Bonds: 5
Index of Refraction: 1.45
Molar Refractivity: 45.94 cm3
Molar Volume: 170.8 cm3
Surface Tension: 33.9 dyne/cm
Enthalpy of Vaporization: 59.78 kJ/mol
Vapour Pressure: 0.000597 mmHg at 25°C
Product Categories: N-BOC;straight chain compounds;Amino Acids;Amino Alcohols;Boc-Amino acid series
N-Boc-L-alaninol (CAS NO.79069-13-9) is used as pharmaceutical intermediate.
Safety Statements: 22-24/25
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
WGK Germany: 3
F: 9-21
F 9: Keep under nitrogen.
F 21: Sensitive to humidity.
N-Boc-L-alaninol , its cas register number is 79069-13-9. It also can be called Boc-alaninol ; Boc-ala-ol ; Boc-L-alaninol ; Boc-L-ala-oL ; Boc-(S)-2-amino-1-propanol ; (S)-(-)-2-(tert-Butoxycarbonylamino)-1-propanoL ; (S)-2-(tert-Butoxycarbonylamino)-1-propanol ; (S)-2-(tert-Butyloxycarbonyl-amino)-1-propanol .