7-AZAINDOLE-4-CARBOXYLIC ACID - Names and Identifiers
7-AZAINDOLE-4-CARBOXYLIC ACID - Physico-chemical Properties
Molecular Formula | C8H6N2O2
|
Molar Mass | 162.15 |
Density | 1.506±0.06 g/cm3(Predicted) |
Melting Point | >330℃ |
Appearance | Solid |
Color | White to cream |
pKa | 1.45±0.10(Predicted) |
Storage Condition | 2-8°C |
Refractive Index | 1.743 |
7-AZAINDOLE-4-CARBOXYLIC ACID - Risk and Safety
Hazard Symbols | Xi - Irritant
|
Risk Codes | 36 - Irritating to the eyes
|
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S24/25 - Avoid contact with skin and eyes.
|
WGK Germany | 3 |
HS Code | 29339900 |
Hazard Class | IRRITANT |
7-AZAINDOLE-4-CARBOXYLIC ACID - Introduction
1H-Pyrrolo [2,3-b]pyridine-4-carboxylic acid is an organic compound with the chemical formula C8H6N2O2. It is a white or yellowish solid with structural characteristics of indole and pyrrole. The following is a description of the nature, use, preparation and safety information of 1H-Pyrrolo [2,3-b]pyridine-4-carboxylic acid:
Nature:
-Appearance: White or yellowish solid
-Molecular weight: 162.15g/mol
-melting point: about 220-224 ℃
-Solubility: Slightly soluble in water, soluble in organic solvents such as ethanol and chloroform
-Stability: relatively stable under normal storage conditions
- pH: This compound has a neutral pH in water
Use:
-Pharmaceutical research: 1H-pyrrolo[2,3-b]pyridine-4-carboxylic acids are often used to prepare biologically active compounds, such as drugs or biomarkers.
-Organic Synthesis: It can be used as an intermediate in organic synthesis for the construction of various organic molecules and diverse compounds.
Preparation Method:
- 1H-pyrrolo[2,3-b] The synthesis method of pyridine-4-carboxylic acid is relatively complicated, but the following is a possible preparation method:
1. First, 2-aminopyridine was synthesized by chemical reaction.
2. The 2-aminopyridine is subjected to an amidation reaction with acetone nitrile and boric acid to give 2-pyridyl propionamide.
3. 2-pyridyl propionamide reacts with phosphorus trichloride and acetic acid to generate a chloro derivative of 1H-pyrrolo[2,3-b]pyridine-4-carboxylic acid.
4. Finally, the chloro derivative reacts with hydroxylamine to form 1H-pyrrolo[2,3-b]pyridine-4-carboxylic acid.
Safety Information:
- 1H-pyrrolo[2,3-b]pyridine-4-carboxylic acid is relatively safe under proper operation, the following matters still need to be noted:
-Avoid inhalation and contact with skin or eyes, avoid ingestion.
-Wear appropriate personal protective equipment during operation, such as laboratory gloves, protective glasses and laboratory coats.
-Operate in a closed and ventilated laboratory to avoid dust.
-Observe all safe operating guidelines for the use and handling of the substance, such as waste disposal and fire protection.
Last Update:2024-04-09 21:01:54