Butyne-DOTA-tris(tert-butyl ester) provides a protected, alkyne-functionalized macrocyclic chelator for click chemistry, bioconjugation, and radiopharmaceutical research and specifically combines a DOTA-based tetraazacyclododecane framework with a butyne-derived alkyne functionality and three tert-butyl-protected carboxyl groups. This structure specifically supports selective conjugation with azide-functionalized molecules and subsequent preparation of metal-chelating derivatives.
Key Features and Benefits
- DOTA Macrocyclic Framework: Features a tetraazacyclododecane-based chelator scaffold specifically used in metal coordination and radiopharmaceutical research.
- Terminal Alkyne Functionality: Provides a butyne-derived reactive alkyne group specifically for conjugation with azide-containing molecules through click chemistry.
- Three tert-Butyl Ester Groups: Protects three carboxyl functionalities during multistep synthesis and conjugation reactions.
- Click Chemistry Compatibility: Supports copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) to specifically form stable triazole-linked molecular conjugates.
- Protected Chelator Design: Allows chemical modification of the macrocyclic scaffold before removing the tert-butyl protecting groups.
- Acid-Labile Protection: Enables removal of tert-butyl ester groups under suitable acidic conditions to specifically generate free carboxylic acid functionalities.
- Bifunctional Molecular Structure: Combines alkyne-mediated conjugation capabilities with a protected macrocyclic chelator framework.
- Versatile Synthetic Intermediate: Supports preparation of functionalized DOTA derivatives for peptide, protein, polymer, and targeting ligand modification.
- Radiometal Chelation Potential: Enables investigation of metal coordination after appropriate deprotection and conversion to the intended chelator derivative.
Applications
- Click Chemistry Bioconjugation: Supports CuAAC-mediated attachment of protected DOTA derivatives to azide-functionalized biomolecules and synthetic compounds.
- Peptide Functionalization: Enables preparation of DOTA-containing peptide conjugates through reactions with azide-modified peptide sequences.
- Protein Bioconjugation: Supports attachment of macrocyclic chelator precursors to proteins containing appropriately incorporated azide groups.
- Radiopharmaceutical Research: Useful for synthesizing functionalized DOTA chelators for investigational radiometal labeling applications.
- Protected Chelator Synthesis: Supports multistep preparation of DOTA-based compounds while protecting selected carboxyl functionalities.
- PET Imaging Probe Development: Enables synthesis of DOTA-containing precursors for investigational positron emission tomography probes.
- SPECT Imaging Research: Supports development of functionalized chelator derivatives for radiometal-based single-photon emission computed tomography studies.
- Polymer Functionalization: Useful for incorporating protected DOTA structures into azide-functionalized polymers, nanoparticles, and biomaterials.
- Targeted Molecular Imaging: Supports preparation of chelator-functionalized targeting ligands for receptor-binding and molecular imaging research.
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 using appropriate laboratory precautions and minimize moisture exposure. For CuAAC reactions, use suitable copper catalysts, ligands, and azide-functionalized reaction partners. Remove tert-butyl protecting groups using validated acidic deprotection conditions appropriate for the complete molecular structure. Purify and characterize the deprotected product before metal coordination studies.
Butyne-DOTA-tris(tert-butyl ester) combines a protected DOTA macrocyclic framework with an alkyne functionality for versatile click chemistry conjugation and specifically supports protected chelator synthesis, peptide and protein modification, radiopharmaceutical development, and molecular imaging research.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
