Boc-D-Glu-NH2 is a Boc-protected amino acid derivative featuring the D-configuration of glutamic acid with an amide-forming carboxamide at the C-terminus (glutamyl amide), classifiable as a protected amino acid building block for peptide-related synthesis. The molecule contains a Boc (tert-butoxycarbonyl) protecting group on the amino functionality, a side-chain carboxylic acid characteristic of glutamate, and both amide and carboxyl functionalities that can participate in controlled coupling and subsequent derivatization steps. In synthetic chemistry and chemical biology workflows, it is used as a protected glutamate unit to assemble peptides or peptide-like structures while maintaining chemoselectivity at the protected amine and providing a glutamate side-chain handle for further functionalization or crosslinking strategies.
CAT No: CP25893
CAS No:55297-72-8
Chemical Name:Boc-D-IsoGln-OH, N-alpha-t-Butyloxycarbonyl-D-isoglutamine, N-alpha-t-Butyloxycarbonyl-D-glutamic amide
Boc-D-Glu-NH2 is a protected D-configured glutamic acid building block bearing an N-terminal Boc (tert-butoxycarbonyl) group and a free carboxamide (-NH2) functionality in the side-chain, providing a glutamine-mimetic glutamate derivative for peptide and intermediate synthesis. This amino acid derivative is commonly used when a protected, stereodefined glutamic acid equivalent is required to control coupling outcomes and downstream functional group handling during assembly of peptides and peptidomimetics.
1. Peptidomimetic Building Blocks
Boc-D-Glu-NH2 is used as a stereodefined amino acid derivative for constructing peptidomimetic scaffolds where a D-glutamate motif is required to tune conformation, sequence stereochemistry, and side-chain functionality. Researchers in medicinal chemistry and peptide drug discovery employ this building block to prepare analogs that preserve the glutamate side-chain connectivity while introducing the amide-form side chain (carboxamide), supporting structure-activity relationship studies and analog libraries. The Boc protection on the amino terminus supports controlled stepwise assembly workflows, making it a practical choice for custom peptide synthesis and for generating defined intermediates for further derivatization.
2. Solid-Phase Peptide Assembly
Boc-D-Glu-NH2 is frequently selected for solid-phase peptide synthesis workflows that require a protected D-glutamic acid equivalent with a carboxamide side chain. Peptide synthesis teams use this derivative to introduce a glutamate-derived residue into longer sequences while maintaining compatibility with standard protected-amino-acid handling strategies used in automated peptide manufacturing. The presence of the Boc group helps manage the N-terminus during coupling steps, while the side-chain amide provides a functional handle that can influence solubility, hydrogen-bonding patterns, and the chemical behavior of the growing peptide during purification and downstream processing.
3. Pharmaceutical Intermediate Development
Boc-D-Glu-NH2 is also used in pharmaceutical intermediate development as a well-defined, stereochemically controlled precursor for preparing higher-complexity amide-containing fragments. Process development and specialty chemical teams incorporate this building block into synthetic routes where a D-glutamate-derived carboxamide functionality is needed as a stable intermediate for subsequent transformations. Because the molecule is already protected at the amino terminus, it can be handled as a discrete, quality-controlled input for multi-step synthesis planning, supporting reproducible downstream coupling, fragment assembly, and purification strategies in research-scale and development-scale manufacturing.
4. Analytical Reference Synthesis
Boc-D-Glu-NH2 is valuable for preparing analytical reference materials and characterization standards that require a defined D-glutamate-derived carboxamide residue. Analytical chemistry groups use such protected amino acid derivatives to generate authentic fragments for method development and verification, including LC-MS-compatible standards for peptide mapping and fragment identification workflows. The controlled stereochemistry and the presence of a single, defined protecting group pattern help ensure that reference signals correspond to the intended residue identity during analytical method optimization, impurity profiling, and structural confirmation of peptide-related intermediates.
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