ChemicalBook--->CAS DataBase List--->45233-75-8

45233-75-8

45233-75-8 Structure

45233-75-8 Structure
IdentificationBack Directory
[Name]

BOC-VAL-GLY-OH
[CAS]

45233-75-8
[Synonyms]

Boc-Val-Gly
BOC-VAL-GLY-OH
Boc-L-Val-Gly-OH
Boc-Val-Gly-OH≥ 95% (HPLC)
(Tert-Butoxy)Carbonyl Val-Gly-OH
Butoxycarbonyl L-valinyl-glycine
(tert-Butoxycarbonyl)-L-valylglycine
Glycine, N-[(1,1-dimethylethoxy)carbonyl]-L-valyl-
(S)-2-(2-((tert-Butoxycarbonyl)amino)-3-methylbutanamido)aceticacid
2-[(2S)-2-{[(tert-butoxy)carbonyl]amino}-3-methylbutanamido]acetic acid
[Molecular Formula]

C12H22N2O5
[MDL Number]

MFCD00134861
[MOL File]

45233-75-8.mol
[Molecular Weight]

274.31
Chemical PropertiesBack Directory
[Melting point ]

100-110°C
[Boiling point ]

491.2±30.0 °C(Predicted)
[density ]

1.141±0.06 g/cm3(Predicted)
[storage temp. ]

2-8°C
[form ]

Solid
[pka]

3.40±0.10(Predicted)
[color ]

White to off-white
Safety DataBack Directory
[Symbol(GHS) ]

GHS hazard pictograms
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P305+P351+P338
[WGK Germany ]

3
Hazard InformationBack Directory
[Chemical Properties]

White powder
[Uses]

peptide synthesis
[reaction suitability]

reaction type: Boc solid-phase peptide synthesis
[Synthesis]

BOC-VAL-GLY-OME

51803-69-1

BOC-VAL-GLY-OH

45233-75-8

GENERAL METHOD: Methyl tert-butoxycarbonyl-L-valylaminoacetate (2.6 g, 10 mmol) was dissolved in 50 mL of methanol, 1 M NaOH solution (30 mL) was added, and the reaction was stirred for 3 h at room temperature. Upon completion of the reaction, the solvent was removed by vacuum evaporation and the residue was adjusted to pH 2-3 with 1 M HCl. Subsequently, the mixture was extracted three times with EtOAc, the organic phases were combined and dried with anhydrous Na2SO4. Finally, the EtOAc was evaporated to afford the target compound 10a as a white solid in 92.4% yield.

[References]

[1] Journal of the American Chemical Society, 2010, vol. 132, # 13, p. 4577 - 4579
[2] Bioorganic and Medicinal Chemistry, 2014, vol. 22, # 11, p. 3055 - 3064
[3] Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1992, # 7, p. 1187 - 1193
[4] Journal of Medicinal Chemistry, 1995, vol. 38, # 20, p. 4014 - 4018
Spectrum DetailBack Directory
[Spectrum Detail]

BOC-VAL-GLY-OH(45233-75-8)1HNMR
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