Succinimido (S)-2-[(tert-butoxycarbonyl)amino]propionate Chemical Properties

Melting point:

161-163 °C

alpha 

-52 º (c=2.5% in dioxane)

Density 

1.27±0.1 g/cm3(Predicted)

storage temp. 

-20°C

solubility 

Soluble in water or 1% acetic acid

form 

Powder

pka

10.81±0.46(Predicted)

Appearance

White to off-white Solid

optical activity

[α]20/D 52±3.5°, c = 2.5% in dioxane

Sensitive 

Moisture Sensitive

BRN 

3560476

CAS DataBase Reference

3392-05-0(CAS DataBase Reference)

Safety Information

Safety Statements 

22-24/25

WGK Germany 

3

F 

3-10-21

HS Code 

29224999

Succinimido (S)-2-[(tert-butoxycarbonyl)amino]propionate Usage And Synthesis

Chemical Properties

White powder

Uses

Reactant involved in synthesis of:

• Muramyldipeptide analogs via solid-phase synthesis
• Microcin C analogs for use as antibacterials
• Lipid I and nucleoside diphosphate peptide derivatives via N-methylimidazolium chloride catalyzed coupling
• N-Protected dipeptide acids
• Free and peptide-bound glycated amino acids for studies of interactions with human Caco-2 interstinal epithelial cell apical membrane transport proteins
• 7-Substituted camptothecin conjugates with RGD-peptides as avβ3 integrin ligands

reaction suitability

reaction type: Boc solid-phase peptide synthesis

Synthesis

Example 11: Preparation of N-succinimidyl N-tert-butoxycarbonyl-L-alanine ester 0.95 g (5 mmol) of N-tert-butoxycarbonyl-L-alanine and 0.66 ml (5.5 mmol) of N-methylmorpholine were dissolved in 6 ml of tetrahydrofuran (THF), followed by a one-time addition of 1.8 g (5.5 mmol) of N-succinimidyl 1,2,2,2-tetrachloroethyl carbonate. The reaction mixture was stirred at 20°C for 2 hours. After completion of the reaction, it was diluted by adding about 25 ml of ethyl acetate, and the organic phase was washed quickly with 1N HCl solution, potassium bicarbonate solution in sequence, and finally washed twice with water. The organic phase was dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The residue was recrystallized by ethyl acetate/petroleum ether mixed solvent to give 1.25 g (87% yield) of white crystals. Evaporation of the mother liquor and recrystallization recovered 0.1 g of product, raising the overall yield to 94%. The melting point of the product was 158 °C. [α]D20 = +50.7 (c = 2, dioxane).

References

[1] Journal of Organic Chemistry, 1987, vol. 52, # 12, p. 2364 - 2367
[2] Patent: US4782164, 1988, A

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