N-tert-Butyl-5-bromothiophene-2-sulfonamide - Names and Identifiers
N-tert-Butyl-5-bromothiophene-2-sulfonamide - Physico-chemical Properties
Molecular Formula | C8H12BrNO2S2
|
Molar Mass | 298.22 |
Density | 1.527 |
Melting Point | 62℃ |
Boling Point | 366.1±52.0 °C(Predicted) |
Flash Point | 175.2°C |
Vapor Presure | 1.5E-05mmHg at 25°C |
Appearance | Yellow crystal |
pKa | 11.53±0.50(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2–8 °C |
Refractive Index | 1.565 |
MDL | MFCD01569259 |
N-tert-Butyl-5-bromothiophene-2-sulfonamide - Risk and Safety
Hazard Symbols | Xi - Irritant
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N-tert-Butyl-5-bromothiophene-2-sulfonamide - Introduction
Also known as a crystal, it is an organic compound. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: Colorless crystal or white solid.
-Melting point: Its melting point is about 130-131 degrees Celsius.
-Solubility: In common organic solvents such as dimethylformamide (DMF) or dichloromethane (DCM), it has good solubility.
Use:
As an important organic synthesis intermediate, it has many applications in organic synthesis:
-It can be used to synthesize compounds with medicinal activity, such as anti-cancer drugs.
-As a catalyst and ligand, participate in different types of catalytic reactions, such as Suzuki-Miyaura cross-coupling reactions in organic synthesis.
-can be used to prepare other compounds containing thiophene and sulfonamide functional groups.
Method:
It can be prepared by the following steps:
1. First, 2-thienesulfinamide (2-Thiophenesulfinamide) is reacted with bromine under appropriate conditions to obtain 5-bromothiophene-2-sulfamide (pyridine).
2. Then, 5-bromothiophene-sulfamide is reacted with tert-butanol under acidic conditions to generate pyridine.
Safety Information:
Pay attention to the following safety precautions when handling the solder:
-This is a chemical that must be stored properly and avoid contact with skin and eyes.
-Personal protective equipment such as gloves and goggles should be used during use.
-It should be used in a well-ventilated place and avoid inhaling its vapors.
-If you accidentally inhale or come into contact with the compound, wash the affected area immediately and seek medical help when needed.
Last Update:2024-04-09 21:01:54