121679-30-9 - Names and Identifiers
121679-30-9 - Physico-chemical Properties
Molecular Formula | C9H15N3O2S
|
Molar Mass | 229.3 |
Density | 1.308 |
Boling Point | 436.803°C at 760 mmHg |
Flash Point | 217.971°C |
Vapor Presure | 0mmHg at 25°C |
Storage Condition | 2-8°C |
Refractive Index | 1.605 |
121679-30-9 - Introduction
4-Hydrazino-N-methylphenylethanesulfonamide, also known as Charmilles Regorafenib, is an organic compound. The following is a detailed description of its nature, use, preparation and safety information:
Nature:
-Appearance: White or off-white crystalline powder
-Molecular formula: C21H15ClF4N4O3S
-Molecular weight: 540.884g/mol
-Melting point: 190-191°C
-Solubility: Soluble in DMSO and chloroform, slightly soluble in methanol and anhydrous ethanol
-Stability: stable at room temperature, but avoid contact with oxidants
Use:
-Pharmaceutical field: 4-hydrazino-N-methylphenylethane sulfonamide is a variety of kinase inhibitors, used to treat a variety of tumors, such as colorectal cancer, non-small cell lung cancer, etc. It inhibits the growth and spread of tumors by inhibiting the activity of numerous kinases.
Preparation Method:
The preparation method of 4-hydrazino-N-methylphenylethane sulfonamide is more complicated, and the specific steps are as follows:
1. Add ether solvent to N-methyl phenyl vinyl amine, and add sufficient amount of tetramethylethylenediamine as catalyst.
2. Acetone dioxime is gradually added dropwise to the reaction system, and the reaction is carried out at low temperature.
3. slowly add chloroformic acid and hydrazine acetate, and continue to stir the reaction.
4. The reaction mixture was purified by extraction and crystallization for several times, and finally the target product was obtained.
Safety Information:
-Appropriate protective measures should be taken during handling and storage, including wearing gloves, goggles and protective clothing. Avoid inhalation, ingestion or direct contact.
-In case of accidental contact, rinse immediately with plenty of water for at least 15 minutes and seek medical help.
-Follow proper handling and disposal of chemicals.
Last Update:2024-04-09 15:17:51