ChemAbout
© 2026 ChemAbout
Insights|Privacy Policy|Terms of Service|[email protected]
Home/Compounds/Pharmaceutical Intermediate/Fmoc-O-tert-butyl-D-threonine
C23H27NO5
397.5 g/mol
Pharmaceutical IntermediateWarning

(2R,3S)-3-(tert-butoxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid

CAS138797-71-4EC882-206-8
Category
Pharmaceutical Intermediate
Compound Class
Peptide
Primary Use
Pharmaceutical Intermediate

This compound is a protected derivative of D-threonine, featuring a fluorenylmethoxycarbonyl (Fmoc) group and a tert-butyl ether protecting group. It is commonly used as a building block in solid-phase peptide synthesis, enabling the incorporation of D-threonine residues with protected side chains.

Building block for peptide synthesisIntermediate in pharmaceutical 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.

Sourcing or supplying this compound?

List your inventory or post a purchase request

CAS 138797-71-4

List This Product
Sign in to publish supply information
Request This Product
Submit a request without registering

Related Compounds

SimilarStructure SimilarSimilarity 0.77

(2S,3R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-methoxybutanoic acid

CAS928063-81-4

pharmaceutical intermediate

ApplicationSame Use

Fmoc-D-leucine

CAS114360-54-2

pharmaceutical intermediate

ApplicationSame Use

Fmoc-O-tert-butyl-D-serine

CAS128107-47-1

pharmaceutical intermediate

ApplicationSame Use

(2R,3R)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-hydroxy-4-phenylbutanoic acid

CAS1391586-46-1

pharmaceutical intermediate

ApplicationSame Use

N-Fmoc-S-(4-methoxybenzyl)-L-cysteine

CAS141892-41-3

pharmaceutical intermediate

ReferenceSame Category

2-cyclopropyl-2-oxoacetic acid

CAS13885-13-7

pharmaceutical intermediate

ReferenceSame Category

O,N-didesmethyltramadol

CAS138853-73-3

pharmaceutical intermediate

ReferenceSame Category

(Z)-3-(3-(3,5-bis(trifluoromethyl)phenyl)-1H-1,2,4-triazol-1-yl)acrylic acid

CAS1388842-44-1

pharmaceutical intermediate

Safety Reference

Harmful
Harmful
Environmental Hazard
Environmental Hazard
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects
Identifiers
IUPAC Name

(2R,3S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(2-methylpropan-2-yl)oxy]butanoic acid

InChIKey

LZOLWEQBVPVDPR-VBKZILBWSA-N

SMILES

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

Synonyms (18)
  • Fmoc-D-Thr(tBu)-OH
  • Fmoc-O-tert-butyl-D-threonine
  • US20250388584, Example 142