(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-6-((tert-butoxycarbonyl)amino)-2-methylhexanoic acid

Name: (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-6-((tert-butoxycarbonyl)amino)-2-methylhexanoic acid
Brand: ChemScene
Availability: InStock
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CAS No. 1202003-49-3
Cat. No. CS-0101052
Purity≥97%
MDL No.MFCD17019258

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FedEx Limited Quantities Ground	$0.00
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Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
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(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-6-((tert-butoxycarbonyl)amino)-2-methylhexanoic acid|CS-0101052

Structure of 1202003-49-3

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Description

(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-6-((tert-butoxycarbonyl)amino)-2-methylhexanoic acid features a sterically hindered aliphatic chain flanked by orthogonal protecting groups: the Fmoc moiety at the α-amino position and a Boc group at the ε-amino site. This configuration enables selective deprotection during peptide synthesis, facilitating efficient incorporation of hydrophobic, branched amino acid residues into complex sequences under standard conditions.

Application

(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-6-((tert-butoxycarbonyl)amino)-2-methylhexanoic acid serves as a versatile chiral building block for peptide synthesis, enabling efficient N-terminal protection and side-chain functionalization. The Fmoc group facilitates orthogonal deprotection under mild basic conditions, while the Boc-protected lysine-like side chain allows for selective modification. Its bench-stable nature and compatibility with standard coupling reagents make it ideal for solid-phase and solution-phase peptide assembly workflows.

General Information

CAS No. 1202003-49-3
Cat. No. CS-0101052
Purity ≥97%
MDL No. MFCD17019258
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₂₇H₃₄N₂O₆
Molecular Weight 482.57
Synonym(s) N6-[(1,1-Dimethylethoxy)carbonyl]-N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-2-methyl-L-lysine
SMILES O=C(O)[C@@](CCCCNC(OC(C)(C)C)=O)(C)NC(OCC1C2=C(C3=C1C=CC=C3)C=CC=C2)=O

Computational Chemistry Data

TPSA 113.96
LogP 5.0634
H_Acceptors 5
H_Donors 3
Rotatable_Bonds 9

Safety Information

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GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Other Classifications

Building Blocks Skeleton Chiral compounds Chiral Building Blocks

Life Science Amino Acids and their Derivatives Lysine and derivatives

Chemical Biology Peptide Chemistry Amine Protection

Chemical Biology Peptide Chemistry Unnatural Amino Acid Derivatives

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(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-6-((tert-butoxycarbonyl)amino)-2-methylhexanoic acid

CAS No. 1202003-49-3

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