Parameter | 2-Bromo-4-pyridinecarboxaldehyde | 2-Chloro-4-pyridinecarboxaldehyde | 4-Pyridinecarboxaldehyde |
---|---|---|---|
CAS Number | 117522-21-3 | 102003-73-6 | 6224-79-5 |
Molecular Formula | C6H4BrNO | C6H4ClNO | C6H5NO |
Molecular Weight | 202.01 g/mol | 157.56 g/mol | 121.12 g/mol |
Reactivity (Suzuki Coupling) | High bromine mobility | Moderate reactivity | Not applicable |
Storage Conditions | 2-8°C under inert gas | Ambient with desiccant | Refrigerated |
Critical building block for kinase inhibitors (e.g., EGFR inhibitors) and antiviral agents. The aldehyde group enables Schiff base formation for drug candidate optimization.
Safety Parameter | Requirement |
---|---|
GHS Classification | H302-H315-H319-H335 |
PPE Requirements | Chemical goggles, Nitrile gloves, Type II respirator |
Spill Management | Absorb with vermiculite, neutralize with 5% acetic acid |
Challenge: Develop scalable route to Bruton's tyrosine kinase (BTK) inhibitor intermediate
Solution: Cross-coupling with boronic ester using Pd(PPh3)4 catalyst
Yield Improvement: 68% → 82% after process optimization
Project: HER2-positive breast cancer drug candidate
Application: Key fragment for antibody-drug conjugate (ADC) linker
Batch Consistency: 99.7% purity across 12 production batches
Research: Conductive metal-organic frameworks (MOFs)
Result: Achieved 12.3% increase in charge transfer efficiency
Optimize your synthesis workflow with our GMP-grade bromopyridine derivatives:
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