Description

3-Methyloxathiazolidine 2,2-dioxide (CAS No. 1201897-41-7) is a high-purity heterocyclic sulfone compound with the molecular formula C₃H₇NO₃S. This specialized chemical is characterized by its oxathiazolidine core structure featuring a methyl substituent at the 3-position and two sulfonyl oxygen atoms, making it a valuable intermediate in organic synthesis and pharmaceutical research. With a molecular weight of 137.16 g/mol, it is supplied as a stable solid with ≥95% purity (HPLC) and is rigorously tested for consistency in batch-to-batch performance. Ideal for nucleophilic substitution reactions, cyclization studies, and as a sulfone-based building block in medicinal chemistry. Packaged under inert gas in amber glass vials to ensure long-term stability.

• CAS: 1201897-41-7
• IUPAC Name: 3-methyloxathiazolidine 2,2-dioxide
• Synonyms: 3-Methyl-1,2,3-oxathiazolidine 2,2-dioxide, SCHEMBL14118650
• Storage: 2-8°C, desiccated
• Hazard Codes: Xi (Irritant)

Properties

• CAS Number: 1201897-41-7
• Complexity: 167
• IUPAC Name: 3-methyloxathiazolidine 2,2-dioxide
• InChI: InChI=1S/C3H7NO3S/c1-4-2-3-7-8(4,5)6/h2-3H2,1H3
• InChI Key: OCZXFIROFFBMQI-UHFFFAOYSA-N
• Exact Mass: 137.01466426
• Molecular Formula: C3H7NO3S
• Molecular Weight: 137.16
• SMILES: CN1CCOS1(=O)=O
• Topological: 55
• Monoisotopic Mass: 137.01466426
• Synonyms: 3-METHYLOXATHIAZOLIDINE 2,2-DIOXIDE, 1201897-41-7, 3-Methyl-1,2,3-oxathiazolidine 2,2-dioxide, SCHEMBL14118650, MFCD22123263, SY325454, G88027

Application

3-Methyloxathiazolidine 2,2-dioxide serves as a versatile sulfone synthon in asymmetric synthesis, particularly for constructing chiral sulfoximine derivatives in agrochemical and pharmaceutical applications. Its strained heterocyclic structure facilitates ring-opening reactions to generate β-functionalized sulfonamides. Researchers utilize this compound as a precursor for sulfonylating agents in peptide modification and as a ligand scaffold in transition metal catalysis. Recent studies highlight its potential in developing sulfone-containing kinase inhibitors.

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