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Home/Compounds/Pharmaceutical Intermediate/Cis-N-boc-4-hydroxy-L-proline
C10H17NO5
231.25 g/mol
Pharmaceutical IntermediateWarning

(2S,4S)-1-(tert-butoxycarbonyl)-4-hydroxypyrrolidine-2-carboxylic acid

CAS87691-27-8EC627-315-1
Category
Pharmaceutical Intermediate
Compound Class
Peptide
Primary Use
Pharmaceutical Intermediate

This compound is a protected amino acid derivative used as a building block in peptide synthesis. It features a tert-butoxycarbonyl (Boc) protecting group on the nitrogen and a hydroxyl group on the pyrrolidine ring, making it valuable for constructing peptides with specific stereochemistry.

Protected amino acid for peptide synthesisPharmaceutical intermediate in research and manufacturing

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

SimilarStructure SimilarSimilarity 0.76

Di-tert-butyl (2S,4R)-4-hydroxypyrrolidine-1,2-dicarboxylate

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SimilarStructure SimilarSimilarity 0.74

(2S,4S)-4-Amino-1,2-pyrrolidinedicarboxylic acid 1-(tert-butyl) ester

CAS132622-66-3

pharmaceutical intermediate

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ReferenceSame Category

2-Chloro-5-ethoxy-4-iodopyridine

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Referencestereoisomer of

Cis-N-boc-4-hydroxy-D-proline

CAS135042-12-5

pharmaceutical intermediate

Referencestereoisomer of

Trans-N-boc-4-hydroxy-L-proline

CAS13726-69-7

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.

Read more

Safety Reference

Harmful
Harmful
Environmental Hazard
Environmental Hazard
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H400Very toxic to aquatic life
Identifiers
IUPAC Name

(2S,4S)-4-hydroxy-1-[(2-methylpropan-2-yl)oxycarbonyl]pyrrolidine-2-carboxylic acid

InChIKey

BENKAPCDIOILGV-BQBZGAKWSA-N

SMILES

CC(C)(C)OC(=O)N1C[C@H](C[C@H]1C(=O)O)O

Synonyms (23)
  • Boc-cis-Hyp-OH
  • Ertapenem Impurity C90
  • N-Boc-cis-4-Hydroxy-L-proline
  • N-Boc-cis-4-hydroxyproline

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