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Home/Compounds/Pharmaceutical Intermediate/N-Fmoc-N'-Boc-L-2,4-diaminobutyric acid
C24H28N2O6
440.5 g/mol
Pharmaceutical IntermediateWarning

(2S)-4-{[(tert-butoxy)carbonyl]amino}-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid

CAS125238-99-5EC834-533-2
Category
Pharmaceutical Intermediate
Compound Class
Peptide
Primary Use
Pharmaceutical Intermediate

This compound is a protected amino acid derivative used as an intermediate in peptide synthesis. It features a fluorenylmethoxycarbonyl (Fmoc) protecting group and a tert-butyloxycarbonyl (Boc) protecting group, enabling selective deprotection during solid-phase peptide assembly.

Intermediate for solid-phase peptide synthesisBuilding block for synthesizing modified peptides

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

StrongStructure SimilarSimilarity 0.87

N-Fmoc-N'-Boc-L-Lysine

CAS71989-26-9

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StrongStructure SimilarSimilarity 0.87

FMOC-D-Lys(BOC)-OH

CAS92122-45-7

research compound

SimilarStructure SimilarSimilarity 0.81

N-Boc-N'-Fmoc-L-ornithine

CAS150828-96-9

pharmaceutical intermediate

SimilarStructure SimilarSimilarity 0.80

N-Boc-N'-Fmoc-L-Lysine

CAS84624-27-1

research compound

ApplicationSame Use

N-Boc-N'-Fmoc-D-2,3-diaminopropionic acid

CAS131570-56-4

pharmaceutical intermediate

ApplicationSame Use

Fmoc-L-cysteine

CAS135248-89-4

pharmaceutical intermediate

ApplicationSame Use

Boc-L-Isoleucine

CAS13139-16-7

pharmaceutical intermediate

ApplicationSame Use

TERT-BUTYL N-[(1S)-1-(BENZYLCARBAMOYL)-2-HYDROXYETHYL]CARBAMATE

CAS141108-78-3

pharmaceutical intermediate

Related Reading

Therapeutic Peptides in 2026: This Year's Breakthroughs

2026 has been a concentrated year for peptide therapeutics. Efficacy reached a new high in late-stage trials, the obesity field moved beyond the incretins to amylin, the oral route reached weight management, and peptide-guided radioligand therapy kept advancing — each point tied to a specific 2025–2026 result.

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Safety Reference

Harmful
Harmful
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Identifiers
IUPAC Name

(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-4-[(2-methylpropan-2-yl)oxycarbonylamino]butanoic acid

InChIKey

LIWKOFAHRLBNMG-FQEVSTJZSA-N

SMILES

CC(C)(C)OC(=O)NCC[C@@H](C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13

Synonyms (16)
  • Fmoc-Dab(Boc)
  • Fmoc-Dab(Boc)-OH
  • Fmoc-L-dab(Boc)-OH

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