Molecular Formula | C7H7N3OS |
Molar Mass | 181.21 |
Density | 1.55±0.1 g/cm3(Predicted) |
Melting Point | 238-241°C |
Boling Point | 324.9±52.0 °C(Predicted) |
Flash Point | 144.024°C |
Vapor Presure | 0mmHg at 25°C |
Appearance | White crystal |
pKa | 7.39±0.40(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
Refractive Index | 1.705 |
MDL | MFCD06658230 |
Physical and Chemical Properties | White crystals. M.p.234-236. Dissolved in water, ethanol, chloroform. |
Hazard Symbols | Xi - Irritant |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
HS Code | 29333990 |
Hazard Class | IRRITANT |
use | 2-mercapto-5-methoxyimidazole [4,5-b] pyridine is a pyridine derivative and can be used as a pharmaceutical intermediate. |
Preparation | The synthesis methods of imidazo [4,5-b] pyridine compounds include 2, 3-diaminopyridine and carboxylic acid ring, carbon disulfide or triphosgene ring, 2-chloro-3-aminopyridine and aromatic amine ring, etc. The article uses 6-methoxy -2, 3-diaminopyridine hydrochloride is used as raw material to generate the target product 2-mercapto-5-methoxyimidazole [4,5-b] pyridine [1] through ring closure with carbon disulfide. the synthesis route is shown in the figure: |