DTPA-tetra (t-Bu ester) provides a protected diethylenetriaminepentaacetic acid (DTPA) derivative for chelator synthesis, bioconjugation, and coordination chemistry research and specifically features four tert-butyl-protected carboxyl groups and one remaining carboxylic acid group for selective chemical modification. This structure specifically supports the preparation of functionalized DTPA derivatives for metal coordination, molecular imaging, and radiopharmaceutical research.
Key Features and Benefits
- DTPA Chelating Framework: Features a diethylenetriamine-based structure with five carboxyl-derived functional groups specifically for developing multidentate metal chelators.
- Four tert-Butyl Ester Groups: Protects four carboxyl functionalities during chemical synthesis, helping minimize unwanted reactions at these positions.
- Available Carboxyl Group: Provides one unprotected carboxylic acid specifically for selective activation and conjugation with suitable amine-containing molecules.
- Selective Functionalization: Enables modification of the available carboxyl group while maintaining protection of the remaining four carboxyl functionalities.
- EDC/NHS Coupling Compatibility: Supports activation of the free carboxyl group specifically for amide bond formation with primary amines.
- Acid-Labile Protecting Groups: The tert-butyl esters can be removed specifically under suitable acidic conditions to regenerate carboxylic acid groups.
- Metal Chelator Precursor: Supports preparation of functionalized DTPA derivatives for subsequent coordination with compatible metal ions.
- Versatile Synthetic Intermediate: Enables development of chelator-functionalized peptides, polymers, targeting ligands, and other research compounds.
Applications
- Chelator Synthesis: Supports preparation of functionalized DTPA derivatives for metal coordination and radiolabeling research.
- Bioconjugation Research: Enables covalent attachment of protected DTPA derivatives to amine-containing biomolecules through suitable coupling reactions.
- Peptide Modification: Useful for introducing DTPA functionality into peptides through carboxyl activation and amide bond formation.
- Radiopharmaceutical Development: Supports synthesis of DTPA-based chelator conjugates for investigational radiometal labeling applications.
- Molecular Imaging Research: Enables development of metal-binding molecular probes for diagnostic imaging studies following appropriate deprotection and complexation.
- Metal Coordination Studies: Supports preparation of DTPA derivatives for investigating metal-binding behavior and complex stability.
- Polymer Functionalization: Useful for incorporating DTPA chelating groups into amine-functionalized polymers and biomaterials.
- Targeted Radioligand Research: Supports preparation of chelator-functionalized targeting molecules specifically for radionuclide delivery studies.
- Synthetic Method Development: Enables investigation of selective carboxyl coupling, tert-butyl ester deprotection, and chelator conjugation strategies.
Storage and Handling
- Storage: Store at −20°C in a dry, tightly sealed container unless otherwise specified. Protect from moisture, excessive heat, and prolonged light exposure.
- Handling: Handle under dry conditions using appropriate laboratory precautions. Use suitable carboxyl activation reagents for conjugation with primary amines. Avoid premature exposure to strongly acidic conditions that may remove tert-butyl protecting groups. Perform deprotection under validated conditions before metal coordination studies when required.
DTPA-tetra (t-Bu ester) combines a DTPA chelating framework with four protected carboxyl groups and one available carboxylic acid for selective functionalization and specifically supports chelator synthesis, peptide conjugation, radiopharmaceutical development, and advanced coordination chemistry research.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
