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| CAS No.: | 1149-26-4 |
|---|---|
| Name: | N-Carbobenzyloxy-L-valine |
| Molecular Structure: | |
|
|
|
| Formula: | C13H17NO4 |
| Molecular Weight: | 251.282 |
| Synonyms: | N-Carbobenzoxyvaline;N-Cbz-L-Valine;Z-Val-OH;N-CBZ-L-Val-OH;Valine,N-carboxy-, N-benzyl ester, L- (8CI);(+)-N-[(Phenylmethoxy)carbonyl]-L-valine;(2S)-2-[(Benzyloxycarbonyl)amino]-3-methylbutanoic acid;(S)-2-[(Benzyloxycarbonyl)amino]-3-methylbutanoic acid;Benzyloxycarbonyl-L-valine;CBZ-L-valine;Carbobenzoxy-L-valine;N-(Benzyloxycarbonyl)-L-valine;N-(Benzyloxycarbonyl)valine;N-Benzyloxycarbonyl-(S)-valine; |
| EINECS: | 214-562-1 |
| Density: | 1.182 g/cm3 |
| Melting Point: | 62-64 °C(lit.) |
| Boiling Point: | 432.6 °C at 760 mmHg |
| Flash Point: | 215.4 °C |
| Appearance: | white to light yellow crystal powder |
| Hazard Symbols: |
 Xi, Xn
|
| Risk Codes: | 38-43-36/37/38-20/21/22 |
| Safety: | 36/37-36-26 |
| PSA: | 75.63000 |
| LogP: | 2.41290 |
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- 1219080-61-1IMIDAZOLE-2-BORONIC ACID
| Conditions | Yield |
|---|---|
| With sodium hydrogencarbonate In water Inert atmosphere; | 100% |
| With sodium hydroxide In water at 0 - 20℃; | 100% |
| With potassium carbonate In water at 0 - 2℃; pH=1.5 - Ca. 2; Reagent/catalyst; pH-value; Temperature; Solvent; | 99% |
- 1431461-34-5
C13H15N2O2(1+)*CF3O3S(1-)
- 1428647-69-1
(L)-valine methyl ester triflate
- 1149-26-4
(S)-N-(benzyloxycarbonyl)valine
| Conditions | Yield |
|---|---|
| Stage #1: C13H15N2O2(1+)*CF3O3S(1-); (L)-valine methyl ester triflate With 1,1’-carbonylbis-(3-ethylimidazolium) triflate In nitromethane at 20℃; for 60h; Inert atmosphere; Stage #2: With water; sodium hydroxide In nitromethane at 20℃; for 2h; Inert atmosphere; | 80% |
| Conditions | Yield |
|---|---|
| With 2-hydroxypyridin; 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In dimethyl sulfoxide at 20℃; for 72h; | 79% |
- 1149-26-4
(S)-N-(benzyloxycarbonyl)valine
| Conditions | Yield |
|---|---|
| With cerium(III) chloride; sodium iodide In acetonitrile for 2h; Heating; | 92% |
| With sodium hydrogen sulfate; silica gel In dichloromethane at 20℃; for 5h; | 91% |
| With sodium iodide; zirconium(IV) chloride In acetonitrile for 2h; Heating; | 91% |
- 394210-42-5
4-isopropyl-2,5-dioxo-oxazolidine-3-carboxylic acid benzyl ester
- 1149-26-4
(S)-N-(benzyloxycarbonyl)valine
| Conditions | Yield |
|---|---|
| Stage #1: 4-isopropyl-2,5-dioxo-oxazolidine-3-carboxylic acid benzyl ester With methanol; 4 A molecular sieve In diethyl ether at 0℃; for 22h; Stage #2: With water Further stages.; | 40% |
- 16874-02-5
benzyl (S)-1-(tert-butoxycarbonyl)-2-methylpropylcarbamate
- 1149-26-4
(S)-N-(benzyloxycarbonyl)valine
| Conditions | Yield |
|---|---|
| In dichloromethane at 0 - 20℃; for 1.08333h; |
- 501-53-1
benzyl chloroformate
A
- 1685-33-2
N-[(benzyloxy)carbonyl]-D-valine
B
- 1149-26-4
(S)-N-(benzyloxycarbonyl)valine
| Conditions | Yield |
|---|---|
| Stage #1: DL-Val/PyS With alpha cyclodextrin In ethanol; dimethyl sulfoxide at 30℃; for 24h; Stage #2: benzyl chloroformate |
- 78031-88-6
(S)-2-Benzyloxycarbonylamino-3-methyl-butyric acid 2,2-dibromo-1-tert-butylcarbamoyl-propyl ester
- 1149-26-4
(S)-N-(benzyloxycarbonyl)valine
| Conditions | Yield |
|---|---|
| With sodium metaborate; cobalt(II) phthalocyanine In ethanol at 20℃; for 1h; | 64% |
- 122665-04-7
(S)-2-Benzyloxycarbonylamino-3-methyl-butyric acid allyl ester
- 1149-26-4
(S)-N-(benzyloxycarbonyl)valine
| Conditions | Yield |
|---|---|
| With morpholine; 1,8-diazabicyclo[5.4.0]undec-7-ene; triphenylphosphine; bis(dibenzylideneacetone)-palladium(0) In acetonitrile at 30℃; for 12h; | 79% |
- 17498-50-9, 25616-14-2, 31320-20-4
L-valine hydrochloride
- 501-53-1
benzyl chloroformate
- 1149-26-4
(S)-N-(benzyloxycarbonyl)valine
| Conditions | Yield |
|---|---|
| With sodium carbonate In tetrahydrofuran; water at 0 - 20℃; for 16h; Solvent; Temperature; |
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Chemistry
Molecular Structure of N-Carbobenzyloxy-L-valine (CAS NO.1149-26-4):
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IUPAC Name: 3-methyl-2-(phenylmethoxycarbonylamino)butanoic acid
Empirical Formula: C13H17NO4
Molecular Weight: 251.2784
H bond acceptors: 5
H bond donors: 2
Freely Rotating Bonds: 6
Index of Refraction: 1.531
Molar Refractivity: 65.81 cm3
Molar Volume: 212.4 cm3
Surface Tension: 45.5 dyne/cm
Density: 1.182 g/cm3
Flash Point: 215.4 °C
Enthalpy of Vaporization: 72.56 kJ/mol
Boiling Point: 432.6 °C at 760 mmHg
Vapour Pressure: 2.99E-08 mmHg at 25°C
Melting point: 62-64 °C(lit.)
Storage temp: 2-8°C
InChI
InChI=1/C13H17NO4/c1-9(2)11(12(15)16)14-13(17)18-8-10-6-4-3-5-7-10/h3-7,9,11H,8H2,1-2H3,(H,14,17)(H,15,16)
Smiles
C(N[C@@H](C(=O)O)C(C)C)(=O)OCc1ccccc1
EINECS: 214-562-1
Product Categories: Miscellaneous Biochemicals; chiral; protected amino acid & peptides; Valine [Val, V];Z-Amino Acids and Derivatives; Amino Acids; Amino Acids (N-Protected); Biochemistry; Cbz-Amino Acids; Chiral Compounds; Cbz-Amino acid series
Safety Profile
N-Carbobenzyloxy-L-valine (CAS NO.1149-26-4)'s Hazard Codes: 
Xi,
Xn
N-Carbobenzyloxy-L-valine (CAS NO.1149-26-4)'s Risk Statements:
38: Irritating to the skin
43: May cause sensitization by skin contact
20/21/22: Harmful by inhalation, in contact with skin and if swallowed 36/37/38: Irritating to eyes, respiratory system and skin
N-Carbobenzyloxy-L-valine (CAS NO.1149-26-4)'s Safety Statements:
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
36/37: Wear suitable protective clothing and gloves
WGK Germany: 3
Hazard Note: Irritant
Specification
N-Carbobenzyloxy-L-valine , with CAS number of 1149-26-4, can be called (2S)-2-{[(Benzyloxy)carbonyl]amino}-3-methylbutanoic acid ; Benzyloxycarbonyl-L-valine ; Carbobenzoxy-L-valine ; DL-Valine, N-[(phenylmethoxy)carbonyl]- ; L-valine, N-[(phenylmethoxy)carbonyl]- ; N-[(Benzyloxy)carbonyl]-L-valin ; N-[(Benzyloxy)carbonyl]-L-valine ; N-Benzyloxycarbonyl-(S)-valine ; N-Carbobenzoxy-DL-valine . It is a white to light yellow crystal powde, N-Carbobenzyloxy-L-valine (CAS NO.1149-26-4) is used as drug intermediates.