Boronic acid, B-(5-chloro-2-methoxy-4-pyridinyl)- - Names and Identifiers
Boronic acid, B-(5-chloro-2-methoxy-4-pyridinyl)- - Physico-chemical Properties
Molecular Formula | C6H7BClNO3
|
Molar Mass | 187.39 |
Density | 1.403g/cm3 |
Boling Point | 347.608°C at 760 mmHg |
Flash Point | 164.028°C |
Vapor Presure | 0mmHg at 25°C |
Storage Condition | Inert atmosphere,Store in freezer, under -20°C |
Refractive Index | 1.546 |
Boronic acid, B-(5-chloro-2-methoxy-4-pyridinyl)- - Risk and Safety
Hazard Symbols | Xn - Harmful
|
Risk Codes | 22 - Harmful if swallowed
|
Boronic acid, B-(5-chloro-2-methoxy-4-pyridinyl)- - Introduction
boronic acid, the chemical formula is C7H8BClNO3, is an organic boron compound. It has the following properties:
1. Appearance:(5-chloro-2-methoxy-4-pyridyl)boronic acid is a white crystalline solid.
2. solubility: soluble in most organic solvents, insoluble in water.
3. chemical reaction:(5-chloro-2-methoxy-4-pyridyl)boronic acid can participate in the synthesis reaction of benzene borate and be used as a chemical reagent for the construction of C- C bonds.
4. use:(5-chloro-2-methoxy-4-pyridyl)boronic acid is an important organic synthesis intermediates, commonly used in medicine and pesticide research and development. It can be used to prepare various compounds, such as drugs, pesticides and photoelectric functional materials.
Preparation Method:
boronic acid can be synthesized by oxidation-boronation reaction. The specific method is that 2-methoxy-5-chloropyridine reacts with triethyl boron in triethylamine under an oxygen atmosphere to obtain the target product.
Safety Information:
boronic acid has low toxicity under general use conditions. However, it is still necessary to follow general laboratory safety procedures during operation, such as wearing appropriate personal protective equipment (such as gloves, glasses, etc.) to avoid inhalation or contact with skin. Care should be taken to avoid contact with strong oxidants and other hazardous chemicals during handling and storage. In addition, since boronic acid is an organic compound, it should be handled in a well-ventilated environment to avoid contact with high temperature or open flame. In the event of an accident or eating, medical help should be sought immediately.
Last Update:2024-04-09 21:04:16