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Basic Information
| CAS No.: | 15761-38-3 |
|---|---|
| Name: | N-(tert-Butoxycarbonyl)-L-alanine |
| Article Data: | 232 |
| Molecular Structure: | |
|
|
|
| Formula: | C8H15NO4 |
| Molecular Weight: | 189.211 |
| Synonyms: | (2S)-2-(tert-butoxycarbonylamino)propanoate;Boc-Ala-OH;Boc-L-alanine;BOC-L-Ala-OH;N-t-BOC-L-Alanine;N-[(1,1-dimethylethoxy)carbonyl]-L-alanine;N-Boc-L-alanine;Boc-Alanine-OH;N-Alpha-T-Boc-L-Alanine;Boc-β-Ala-OH; |
| EINECS: | 239-847-8 |
| Density: | 1.126 g/cm3 |
| Melting Point: | 79-83 °C(lit.) |
| Boiling Point: | 320.9 °C at 760 mmHg |
| Flash Point: | 147.9 °C |
| Appearance: | White to off-white microcrystalline powder |
| Hazard Symbols: |
 Xi, Xn
|
| Risk Codes: | 20/21/22-36/37/38 |
| Safety: | 24/25-36-26 |
| PSA: | 75.63000 |
| LogP: | 1.37510 |
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Synthetic route
- 28875-17-4
(S)-N-(tert-butoxycarbonyl)alanine methyl ester
- 15761-38-3
L-N-Boc-Ala
Conditions
| Conditions | Yield |
|---|---|
| With 4-methyl-morpholine In water; acetonitrile at 30℃; under 7500600 Torr; for 96h; | 100% |
| With sodium hydroxide In acetone |
Conditions
| Conditions | Yield |
|---|---|
| In 1,4-dioxane; water at 0 - 20℃; for 1h; | 100% |
| With sodium hydroxide In tetrahydrofuran; water at 20℃; for 17h; | 100% |
| With sodium hydroxide In tetrahydrofuran; water at 0 - 30℃; for 4.5h; | 98% |
- 15761-38-3
L-N-Boc-Ala
Conditions
| Conditions | Yield |
|---|---|
| With bis(tri-n-butyltin)oxide In 1,2-dichloro-ethane at 83℃; for 25h; | 100% |
- 15761-38-3
L-N-Boc-Ala
Conditions
| Conditions | Yield |
|---|---|
| With trimethyltin(IV) hydroxide In 1,2-dichloro-ethane for 9h; Heating; | 100% |
- 139119-46-3
tert-Butyl (2R,4S)-4-Methyl-5-oxo-2-phenyloxazolidine-3-carboxylate
- 15761-38-3
L-N-Boc-Ala
Conditions
| Conditions | Yield |
|---|---|
| With lithium hydroxide In tetrahydrofuran; water at 0℃; for 0.333333h; | 97% |
Conditions
| Conditions | Yield |
|---|---|
| With dmap In 1,4-dioxane; water Ambient temperature; | 96% |
| With dmap; triethylamine In 1,4-dioxane; water for 15h; Ambient temperature; | 96% |
- 15761-38-3
L-N-Boc-Ala
Conditions
| Conditions | Yield |
|---|---|
| With potassium phosphate; tris(2,2-bipyridine)ruthenium(II) hexafluorophosphate; ascorbic acid In water; acetonitrile at 20℃; for 1h; Irradiation; | 96% |
- 15761-38-3
L-N-Boc-Ala
Conditions
| Conditions | Yield |
|---|---|
| With trimethyltin(IV) hydroxide In 1,2-dichloro-ethane for 9h; Heating; | 94% |
Conditions
| Conditions | Yield |
|---|---|
| With sodium carbonate In water; acetonitrile at 25℃; for 10h; | 92% |
A
- 15761-38-3
L-N-Boc-Ala
Conditions
| Conditions | Yield |
|---|---|
| With sodium hydroxide In tetrahydrofuran at 60℃; for 11h; | A 79% B 91% |
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N-(tert-Butoxycarbonyl)-L-alanine
Chemistry
Molecular Formula: C8H15NO4
Formula Weight: 189.21
Melting point:: 79-83 °C(lit.)
alpha : -26 o (c=2, acetic acid)
refractive index : -25.5 ° (C=2, AcOH)
storage temp. : -20°C
Boc-L-Alanine,it is a white to off-white crystalline powder.
STABILITY OF Boc-l-ALANINE: Stable under ordinary conditions. Moisture and light sensitive
Formula Weight: 189.21
Melting point:: 79-83 °C(lit.)
alpha : -26 o (c=2, acetic acid)
refractive index : -25.5 ° (C=2, AcOH)
storage temp. : -20°C
Boc-L-Alanine,it is a white to off-white crystalline powder.
STABILITY OF Boc-l-ALANINE: Stable under ordinary conditions. Moisture and light sensitive
Uses
Boc-l-ALANINE can be used as an unnatural amino acid for peptidomimetics and biological research.
Toxicity Data With Reference
Acute Toxicity
LD50 : No data reported
LD50 : No data reported
Safety Profile
Hazard Codes : 
Xi,Xn
The Risk Statements information of Boc-L-Alanine:
20/21/22: Harmful by inhalation, in contact with skin and if swallowed
36/37/38: Irritating to eyes, respiratory system and skin
The Safety Statements information of Boc-L-Alanine:
26: In case of contact with eyes, rinse immediately with plenty of WATER and seek medical advice
36: Wear suitable protective clothing
24/25: Avoid contact with skin and eyes
WGK Germany : 3
Xi,Xn The Risk Statements information of Boc-L-Alanine:
20/21/22: Harmful by inhalation, in contact with skin and if swallowed
36/37/38: Irritating to eyes, respiratory system and skin
The Safety Statements information of Boc-L-Alanine:
26: In case of contact with eyes, rinse immediately with plenty of WATER and seek medical advice
36: Wear suitable protective clothing
24/25: Avoid contact with skin and eyes
WGK Germany : 3
Standards and Recommendations
ASSAY OF Boc-l-ALANINE: 98.0% min
OPTICAL ROTATION [a]20: -24° ~ -26° (C=2 in Acetic Acid)
SOLUTION CLARITY: clear
Fe: 10ppm max
HEAVY METALS: 10ppm max
As: 2ppm max
LOSS ON DRYING: 0.5% max
OPTICAL ROTATION [a]20: -24° ~ -26° (C=2 in Acetic Acid)
SOLUTION CLARITY: clear
Fe: 10ppm max
HEAVY METALS: 10ppm max
As: 2ppm max
LOSS ON DRYING: 0.5% max
Specification
Handling: chemicals should be used only by those trained in handling potentially hazardous materials. Rubber gloves, eye protection and protective clothing
should be worn. Operations should be carried out in an efficient fume hood or equivalent system.
Storage: Store in tightly sealed containers in a refrigerator or cold room at 5 degrees centigrade or below. Protect from moisture.
should be worn. Operations should be carried out in an efficient fume hood or equivalent system.
Storage: Store in tightly sealed containers in a refrigerator or cold room at 5 degrees centigrade or below. Protect from moisture.