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B2129

Sigma-Aldrich

L-Aspartic acid β-benzyl ester

≥98%

Sinônimo(s):

β-Benzyl L-aspartate, L-Aspartic acid 4-benzyl ester

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About This Item

Fórmula linear:
C6H5CH2OCOCH2CH(NH2)COOH
Número CAS:
2177-63-1
Peso molecular:
223.23
Beilstein:
1983183
Número CE:
218-541-8
Número MDL:
MFCD00037208
Código UNSPSC:
12352209
ID de substância PubChem:
24891628
NACRES:
NA.26

product name

L-Aspartic acid β-benzyl ester,

Ensaio

≥98%

Nível de qualidade

200

forma

powder

cor

white

pf

225 °C

aplicação(ões)

peptide synthesis

temperatura de armazenamento

−20°C

cadeia de caracteres SMILES

N[C@@H](CC(=O)OCc1ccccc1)C(O)=O

InChI

1S/C11H13NO4/c12-9(11(14)15)6-10(13)16-7-8-4-2-1-3-5-8/h1-5,9H,6-7,12H2,(H,14,15)/t9-/m0/s1

chave InChI

VGALFAWDSNRXJK-VIFPVBQESA-N

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Aplicação

L-Aspartic acid β-benzyl ester is used in the synthesis of peptides with a 1,4-diazepine-2,5-dione ring structure and in development of block copolymers.

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

Certificados de análise (COA)

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K W Marck et al.
Journal of biomedical materials research, 11(3), 405-422 (1977-05-01)
A series of copoly(alpha-amino acids) with varying percentages of hydrophilic (L-aspartic acid) and hydrophobic monomers (L-leucine, beta-methyl-L-aspartate, and beta-benzyl-L-aspartate) were implanted subcutaneously in rats and the macroscopic degradation behavior was studied. Three groups of materials (A,B,C) with different ranges of
Lei Wang et al.
Colloids and surfaces. B, Biointerfaces, 74(1), 284-292 (2009-09-01)
Poly(beta-benzyl-L-aspartate)-block-poly(vinylpyrrolidone) diblock copolymers (PAsp(OBzl)-b-PVP) having both hydrophobic and hydrophilic segments of various lengths were synthesized by a combination of ATRP and ROP. These amphiphilic diblock copolymers formed polymeric micelles consisting of a hydrophobic PAsp(OBzl) core and a hydrophilic PVP shell
Helga Süli-Vargha et al.
Journal of peptide science : an official publication of the European Peptide Society, 13(11), 742-748 (2007-09-14)
The Fmoc-based SPPS of H-Xaa-Asp(OBzl)-Yaa-Gly-NH(2) sequences results in side reactions yielding not only aspartimide peptides and piperidide derivatives, but also 1,4-diazepine-2,5-dione-peptides. Evidence is presented to show that the 1,4-diazepine-2,5-dione derivative is formed from the aspartimide peptide. The rate of this
Chander Amgoth et al.
Journal of materials chemistry. B, 8(40), 9258-9268 (2020-09-25)
Herein, the synthesis of an amino-acid-based di-block copolymer (di-BCP) in-between an l-glutamic acid-5-benzyl ester and l-aspartic acid-4-benzyl ester [(l-GluA-5-BE)-b-(l-AspA-4-BE)] has been reported. However, the synthesis of di-BCP of [(l-GluA-5-BE)-b-(l-AspA-4-BE)] was carried out through the facile modified ring-opening polymerization (ROP) without
Block copolymer design for camptothecin incorporation into polymeric micelles for passive tumor targeting.
Opanasopit P, Yokoyama M, et al.
Pharmaceut. Res., 21, 2001-2008 (2004)

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