Boc-L-Trp-OMe

Designed for biological research and industrial applications, not intended for individual clinical or medical purposes.

CAT No: CP25768

CAS No:33900-28-6

Synonyms/Alias:BOC-TRP-OME;33900-28-6;(S)-Methyl2-((tert-butoxycarbonyl)amino)-3-(1H-indol-3-yl)propanoate;L-Tryptophan,N-[(1,1-dimethylethoxy)carbonyl]-,methylester;Boc-L-Trp-OMe;AmbotzBAA5960;AC1ODVHJ;SCHEMBL1486155;CTK4H1425;MolPort-003-983-077;QXLOVPXUZAOKBL-AWEZNQCLSA-N;ZINC2572517;ANW-42530;ZINC02572517;AKOS015924233;AKOS016003101;VZ33459;AJ-42031;AK-81150;BC689103;KB-92784;AB0089949;ST24026643;V5284;K-7779

Chemical Name:N-alpha-t-Butyloxycarbonyl-L-tryptophane methyl ester

Custom Peptide Synthesis
cGMP Peptide
  • Registration of APIs
  • CMC information required for an IND
  • IND and NDA support
  • Drug master files (DMF) filing
M.F/Formula
C17H22N2O4
M.W/Mr.
318,36 g/mole

Boc-L-Trp-OMe is a protected L-tryptophan derivative featuring a Boc-protected amino group and a methyl ester (OMe) on the carboxyl functionality, combining an indole-containing aromatic side chain with two common synthetic "handles" that help control reactivity during peptide and intermediate assembly. This form is frequently selected in workflow stages where amine protection and ester activation/handling are required to maintain compatibility with stepwise coupling and downstream transformations.

1. Peptide Segment Building

Boc-L-Trp-OMe is used as a tryptophan-containing building block for peptide segment construction in both custom peptide synthesis and internal medicinal chemistry libraries. The Boc-protected amino group supports controlled coupling chemistry while the methyl ester provides a protected carboxyl functionality that can be converted or engaged in subsequent steps depending on the chosen assembly strategy. Researchers rely on this derivative when they need a defined, tryptophan-precursor unit that carries an indole side chain intact for later incorporation into bioactive peptide sequences.

2. Solution-Phase Coupling Intermediates

Boc-L-Trp-OMe is commonly handled as a protected intermediate for solution-phase peptide synthesis development and for preparing tryptophan-bearing fragments prior to final assembly. The combination of Boc protection and a methyl ester helps limit undesired side reactions during intermediate preparation, purification, and activation steps that precede final peptide bond formation. Medicinal chemistry groups and peptide manufacturing teams often select this specific protection pattern when they want a stable tryptophan derivative that can be advanced through multi-step fragment condensation workflows.

3. Pharmaceutical Intermediate Development

Boc-L-Trp-OMe is also applied as a tryptophan-based pharmaceutical intermediate in the synthesis of peptidomimetic scaffolds and indole-containing intermediates used in drug discovery chemistry. The protected amino and ester functionalities provide orthogonality for sequential functional group manipulations, enabling controlled progression from a defined aromatic amino acid motif toward more elaborated structures. Process chemists and intermediate-development teams value this derivative when they need a tryptophan unit that can be carried through early-to-mid synthetic stages without exposing the free amine or carboxylic acid.

4. Indole-Containing Fragment Synthesis

Boc-L-Trp-OMe serves as a practical starting material for generating indole-containing fragments where the indole side chain must remain preserved while the backbone functionality is manipulated. In chemical biology and peptide chemistry workflows, it can be advanced into tryptophan-functionalized intermediates used for building sequence-defined molecules, including tryptophan analogs and indole-bearing linkers. The Boc/OMe protection pattern supports stepwise derivatization of the backbone while maintaining the aromatic indole functionality for incorporation into downstream constructs.

Size
5 g;25 g;
InChI
1S/C17H22N2O4/c1-17(2,3)23-16(21)19-14(15(20)22-4)9-11-10-18-13-8-6-5-7-12(11)13/h5-8,10,14,18H,9H2,1-4H3,(H,19,21)/t14-/m0/s1
InChI Key
QXLOVPXUZAOKBL-AWEZNQCLSA-N
Canonical SMILES
CC(C)(C)OC(=O)NC(CC1=CNC2=CC=CC=C21)C(=O)OC

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