Parameter | Value | Competitor A (Pyridine-2,6-Diamine) | Competitor B (Benzene-1,3-diamine) |
---|---|---|---|
CAS Number | 452-58-4 | 16893-09-9 | 108-45-2 |
Purity | ≥99.5% | ≥98% | ≥97% |
Solubility | Water, Ethanol, DMSO | Limited in water | Moderate in polar solvents |
Key Advantages: Superior thermal stability (up to 250°C), enhanced reactivity in cross-coupling reactions, and low heavy metal content (<5ppm).
Step | Condition | Optimal Range |
---|---|---|
Storage | Inert atmosphere | N2 or Argon, 15-25°C |
Reaction Setup | Molar ratio | 1:1.2 (Substrate:Pyridine-2,4-Diamine) |
Challenge: Achieve >90% yield in imatinib intermediate synthesis.
Solution: Used 0.5mol% Pyridine-2,4-Diamine as co-catalyst.
Result: 93.2% yield with 99.1% HPLC purity.
Project: Scale-up of hepatitis C NS5A inhibitor
Metrics: Reduced production costs by 18% through improved reaction efficiency.
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