Product Name:2-Hydroxyisonicotinic acid
CAS:22282-72-0
MFC6H5NO3
MW:139.11
EINECS:947-323-1
MOL File:22282-72-0.mol
Parameter | 2-Hydroxyisonicotinic Acid | Analogous Compounds |
---|---|---|
CAS Number | 22282-72-0 | 609-71-2 (2-Hydroxynicotinic Acid) |
Molecular Formula | C6H5NO3 | C6H5NO3 |
Appearance | White to pale yellow crystalline powder | Similar morphology |
Melting Point | 258–261°C | 250–255°C (varies by isomer) |
HS Code | 29333990.90 | 29333990.90 |
Key Differentiator: Structural isomerism (4-pyridinecarboxylic acid derivative) enables distinct reactivity in pharmaceutical synthesis compared to 2-hydroxynicotinic acid.
Challenge: Improve bioavailability of diltiazem analogs
Solution: Structural modification using 2-hydroxyisonicotinic acid increased water solubility by 40% while maintaining vasodilatory activity.
Challenge: Reduce palladium catalyst loading in cross-coupling reactions
Solution: Implemented as coordinating ligand, achieving 95% yield with 0.5 mol% Pd (industry standard: 2–5 mol%).
Application: Synthesis of third-generation coronary vasodilators
Result: Reduced production costs by 18% through optimized reaction pathways enabled by 2-hydroxyisonicotinic acid's regioselectivity.
Application: Development of pH-responsive drug delivery systems
Result: Achieved controlled release profile (0–72 hours) through tailored polymer functionalization.
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