trimethylsilylethynylmagnesium bromide, Fandachem - Names and Identifiers
trimethylsilylethynylmagnesium bromide, Fandachem - Physico-chemical Properties
trimethylsilylethynylmagnesium bromide, Fandachem - Introduction
trimethylsilylethynylmagnesium bromide is an organometallic compound with the chemical formula (CH3)3SiC ≡ CMgBr. It is an organic magnesium reagent with active electrophilicity and nucleophilicity. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: The common form of trimethylsilylethynylmagnesium bromide is a colorless to light yellow liquid.
-Melting point: Its melting point is lower than normal temperature, and it usually needs to be stored at low temperature.
-Solubility: It has high solubility in commonly used organic solvents, such as ether, cyclohexane, etc.
-Reactivity: trimethylsilylethynylmagnesium bromide is an active organometallic reagent that can undergo electrophilic substitution reactions and nucleophilic addition reactions with halogenated hydrocarbons, aldehydes, ketones, etc.
Use:
-Synthesis of organic compounds: trimethylsilylethynylmagnesium bromide is an important reagent for the synthesis of organic compounds, commonly used in the synthesis of alkynes, alcohols, aldehydes, ketones and other organic compounds.
-Nuclear magnetic resonance (NMR) spectroscopy: Due to its wide range of chemical shifts, trimethylsilylethynylmagnesium bromide are often used as internal reference materials in NMR spectroscopy.
Preparation Method:
-The preparation of trimethylsilylethynylmagnesium bromide usually uses traditional Grignard reactions. First, n-butyl magnesium bromide is reacted with trimethylsilylacetylene to form trimethylsilylacetylene magnesium. The magnesium trimethylsilylacetylide is then treated under alkaline conditions to a trimethylsilylethynylmagnesium bromide.
Safety Information:
- trimethylsilylethynylmagnesium bromide is a dangerous chemical, in the operation of the need to follow the safety procedures.
-It is irritating to the skin and eyes, and should be rinsed in time after contact.
-During storage and handling, care should be taken to avoid contact with water and air to prevent dangerous reactions.
-When using, you need to pay special attention to its flammability and toxicity, and maintain a well-ventilated laboratory environment.
Please note that due to the diversity of chemical properties and uses, the product manual and relevant safety procedures should be carefully read and followed before use.
Last Update:2024-04-10 22:29:15