Boc-Asp(OBzl)-ONp, also known as N-Boc-L-aspartic acid benzyl ester p-nitrophenyl ester, is a chemical compound commonly used in peptide synthesis and organic chemistry. It features a Boc (tert-butyloxycarbonyl) protecting group, which is often employed to protect amine functionalities during synthesis. The presence of the benzyl ester (OBzl) indicates that the carboxylic acid group of aspartic acid is modified to enhance solubility and reactivity. The p-nitrophenyl (ONp) group serves as a leaving group, making the compound useful in coupling reactions where the release of the nitrophenol moiety can be monitored spectrophotometrically. This compound is typically a white to off-white solid and is soluble in organic solvents like dichloromethane and dimethylformamide. Its stability under standard laboratory conditions allows for its use in various synthetic applications, particularly in the formation of peptide bonds. As with many chemical substances, proper handling and safety precautions should be observed due to potential hazards associated with its components.

Boc-Asp(OBzl)-ONp

26048-69-1: Asparticacid, N-carboxy-, 4-benzyl N-tert-butylp-nitrophenyl ester, L-, N-(tert-Butyloxycarbonyl)-L-asparticacid 4-benzyl p-nitrophenyl ester, N-(tert-Butyloxycarbonyl)aspartic acid b-benzyl p-nitrophenyl ester, L-Asparticacid, N-[(1,1-dimethylethoxy)carbonyl]-, 1-(4-nitrophenyl) 4-(phenylmethyl) ester

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CAS 26048-69-1: Boc-Asp(OBzl)-ONp

Boc-L-aspartic acid β-benzyl ester α-4-nitrophenyl ester

Ref: 3D-FB47901

L-Aspartic acid, N-[(1,1-dimethylethoxy)carbonyl]-, 1-(4-nitrophenyl) 4-(phenylmethyl) ester

Ref: IN-DA002RIJ