- Highly effective sulfonylating agent
- Efficient activation of hydroxyl groups
- Formation of excellent leaving groups
- Suitable for transformations under relatively mild conditions
- Compatible with a wide range of synthetic pathways
- Versatile intermediate for multistep organic synthesis
- Applicable to pharmaceutical, agrochemical and specialty chemical processes
Methanesulfonyl Chloride
Methanesulfonyl Chloride (MSC) reacts with nucleophilic functional groups such as alcohols, phenols and amines. It is particularly effective in converting hydroxyl groups into mesylates, which are excellent leaving groups for subsequent nucleophilic substitution, elimination and functional-group transformation reactions. Its high reactivity and versatility make MSC suitable for multistep synthesis processes in the pharmaceutical, agrochemical and fine chemicals industries.
Application areas
Agrochemical Synthesis
MSC can be used in the preparation of intermediates for herbicides, fungicides, insecticides and other crop-protection products. Its reactivity supports efficient and reproducible multistep synthetic processes
MSC can be used in the preparation of intermediates for herbicides, fungicides, insecticides and other crop-protection products.
Its reactivity supports efficient and reproducible multistep synthetic processes
Pharmaceutical and API Intermediates
MSC is used in the preparation of pharmaceutical intermediates and in the selective functionalisation of complex molecules. By converting hydroxyl groups into mesylates, MSC enables subsequent substitution, elimination and other functional-group transformations.
MSC is used in the preparation of pharmaceutical intermediates and in the selective functionalisation of complex molecules.
By converting hydroxyl groups into mesylates, MSC enables subsequent substitution, elimination and other functional-group transformations.
Alcohol Activation and Mesylation
MSC converts hydroxyl groups into the corresponding mesylates. This transformation creates highly effective leaving groups, facilitating subsequent nucleophilic substitution, elimination and functional-group conversion reactions.
MSC converts hydroxyl groups into the corresponding mesylates.
This transformation creates highly effective leaving groups, facilitating subsequent nucleophilic substitution, elimination and functional-group conversion reactions.
Chiral Synthesis Intermediates
MSC can be used to activate hydroxyl groups in chiral intermediates. The resulting mesylates are effective leaving groups for subsequent stereochemically controlled substitutions and other functional-group transformations.
MSC can be used to activate hydroxyl groups in chiral intermediates.
The resulting mesylates are effective leaving groups for subsequent stereochemically controlled substitutions and other functional-group transformations.
Sulfonamide Synthesis
MSC reacts with amines to form methanesulfonamide derivatives. This transformation is used in the synthesis of functional molecules, pharmaceutical intermediates and specialty chemicals.
MSC reacts with amines to form methanesulfonamide derivatives.
This transformation is used in the synthesis of functional molecules, pharmaceutical intermediates and specialty chemicals.
Fine and Specialty Chemicals
MSC reacts with amines to form methanesulfonamide derivatives. This transformation is used in the synthesis of functional molecules, pharmaceutical intermediates and specialty chemicals.
The combination of high reactivity and versatility makes MSC suitable for the manufacture of functional intermediates used in fine chemicals, specialty synthesis and other high-value applications.
Functional Intermediates
Mesylates and other MSC-derived products can be used as intermediates for introducing new chemical functionalities and for carrying out further transformations in pharmaceutical, agrochemical and industrial synthesis.
Mesylates and other MSC-derived products can be used as intermediates for introducing new chemical functionalities and for carrying out further transformations in pharmaceutical, agrochemical and industrial synthesis.
Elimination reactions via mesylate intermediates
MSC converts hydroxyl groups into mesylates, which can undergo base-induced elimination to form alkenes. This approach enables the controlled transformation of alcohol-derived intermediates in multistep organic synthesis.
MSC converts hydroxyl groups into mesylates, which can undergo base-induced elimination to form alkenes.
This approach enables the controlled transformation of alcohol-derived intermediates in multistep organic synthesis.
A closer look at MSC
Discover the key properties, benefits and typical reactions of MSC
Key properties and benefits
Typical reactions
- Mesylation of alcohols and phenols
- Hydroxyl groups activation
- Formation of methanesulfonamides
- Nucleophilic substitution via mesylate intermediates
- Activation of stereochemically defined intermediates
- Elimination reactions via mesylate intermediates
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