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Name |
Boc-L-Leucine |
EINECS | 236-073-2 |
CAS No. | 13139-15-6 | Density | 1.061 g/cm3 |
PSA | 75.63000 | LogP | 2.40130 |
Solubility | N/A | Melting Point |
82 - 87 °C |
Formula | C11H21NO4 | Boiling Point | 356 °C at 760 mmHg |
Molecular Weight | 231.292 | Flash Point | 169.1 °C |
Transport Information | N/A | Appearance | White to off-white crystalline powder |
Safety | 26-36 | Risk Codes | 20/21/22-36/37/38 |
Molecular Structure | Hazard Symbols | Xi,Xn | |
Synonyms |
N-((1,1-Dimethylethoxy)carbonyl)-L-leucine;N-(tert-Butoxycarbonyl)-L-leucine;N-tert-Butoxycarbonylleucine;N-tert-Butyloxycarbonyl-L-leucine;NSC 108690;tert-Butoxycarbonyl-L-leucine;tert-Butoxycarbonylleucine; |
Article Data | 169 |
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane at 25℃; for 23h; | 100% |
With sodium hydroxide In 1,4-dioxane; water at 0℃; | 100% |
With sodium hydroxide In tetrahydrofuran; water at 20℃; for 19h; | 99% |
Boc-L-Leu-(Z)-ΔLeu-L-Ala-OMe
A
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With McIlvaine buffer; 2-hydroxyethanethiol; papain (EC 3.4.22.2) at 35℃; for 24h; pH=8.0; Hydrolysis; | A n/a B 100% |
L-leucine
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With triethylamine In water; N,N-dimethyl-formamide for 4h; Ambient temperature; | 99% |
With sodium hydroxide In 1,4-dioxane; water at 0 - 20℃; pH=8 - 9; | 89.1% |
L-leucine
1,2,2,2-Tetrachloroethyl tert-Butyl Carbonate
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane; water at 20℃; pH=9.75; | 95% |
L-leucine
O-(tert-butyl) S-(pyridin-2-yl)carbonothioate
A
2-Mercaptopyridine
B
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With triethylamine In water; N,N-dimethyl-formamide for 12h; Ambient temperature; | A n/a B 95% |
L-leucine
tert-butyl pyridin-2-yl carbonate
A
2-hydroxypyridin
B
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With triethylamine In water; N,N-dimethyl-formamide for 4h; Ambient temperature; | A n/a B 94% |
Boc-Leu-ONbn
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In tetrahydrofuran Ambient temperature; | 94% |
(S)-(1-hydroxymethyl-3-methylbutyl)carbamic acid tert-butyl ester
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With 2,2,6,6-tetramethyl-piperidine-N-oxyl; trichloroisocyanuric acid; sodium hydrogencarbonate; sodium bromide In water; acetone at 20℃; for 6h; | 92% |
L-leucine
(N-hydroxy-5-norbornene-2,3-diformylimino)tert-butyl ester
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With tertiary amine In 1,4-dioxane; water for 3h; | 91% |
N-tert-butoxycarbonyl-L-leucine
Conditions | Yield |
---|---|
With cerium(III) chloride; sodium iodide In acetonitrile for 1.5h; Heating; | 91% |
The Boc-Leu-OH, with the CAS registry number 13139-15-6, is also known as N-((1,1-Dimethylethoxy)carbonyl)-L-leucine. It belongs to the product categories of Aminoacids Derivatives; Leucine [Leu, L]; Boc-Amino Acids and Derivative; Amino Acids; Amino Acids (N-Protected); Biochemistry; Boc-Amino Acids; Boc-Amino Acid Series. Its EINECS registry number is 236-073-2. This chemical's molecular formula is C11H21NO4 and molecular weight is 231.28874. Its IUPAC name is called (2S)-4-methyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]pentanoic acid. The product should be sealed and stored in cool, dry place at temperature of 4 °C. In addition, it is used as pharmaceutical Intermediate.
Physical properties of Boc-Leu-OH: (1)ACD/LogP: 2.51; (2)ACD/LogD (pH 5.5): 0.6; (3)ACD/LogD (pH 7.4): -0.97; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 6.87; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 5; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 6; (11)Index of Refraction: 1.461; (12)Molar Refractivity: 59.82 cm3; (13)Molar Volume: 217.8 cm3; (14)Surface Tension: 36.1 dyne/cm; (15)Density: 1.061 g/cm3; (16)Flash Point: 169.1 °C; (17)Enthalpy of Vaporization: 66.05 kJ/mol; (18)Boiling Point: 356 °C at 760 mmHg; (19)Vapour Pressure: 4.98E-06 mmHg at 25°C.
When you are using this chemical, please be cautious about it as the following:
This chemical may cause inflammation to the skin or other mucous membranes and may cause damage to health. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing.
You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CC(C)CC(C(=O)O)NC(=O)OC(C)(C)C
(2)Isomeric SMILES: CC(C)C[C@@H](C(=O)O)NC(=O)OC(C)(C)C
(3)InChI: InChI=1S/C11H21NO4/c1-7(2)6-8(9(13)14)12-10(15)16-11(3,4)5/h7-8H,6H2,1-5H3,(H,12,15)(H,13,14)/t8-/m0/s1
(4)InChIKey: MDXGYYOJGPFFJL-QMMMGPOBSA-N