Description

2-Chloro-3-pyridyl trifluoromethanesulfonate (CAS No. 163083-47-4) is a high-purity, organosulfur compound with the molecular formula C₆H₃ClF₃NO₃S. This versatile reagent is widely used in organic synthesis, particularly as a key intermediate in the preparation of pharmaceuticals, agrochemicals, and specialty chemicals. Its IUPAC name, (2-chloropyridin-3-yl) trifluoromethanesulfonate, reflects its precise chemical structure, featuring a chloropyridinyl group coupled with a reactive trifluoromethanesulfonate (triflate) moiety. The triflate group serves as an excellent leaving group, enabling efficient nucleophilic substitution reactions. Our product is rigorously tested for purity and stability, ensuring optimal performance in demanding synthetic applications. Supplied in sealed, light-resistant packaging under inert conditions to maintain integrity.

Properties

• CAS Number: 163083-47-4
• Complexity: 313
• IUPAC Name: (2-chloro-3-pyridyl) trifluoromethanesulfonate
• InChI: InChI=1S/C6H3ClF3NO3S/c7-5-4(2-1-3-11-5)14-15(12,13)6(8,9)10/h1-3H
• InChI Key: JTTBBJHEABJWRL-UHFFFAOYSA-N
• Exact Mass: 260.9474263
• Molecular Formula: C6H3ClF3NO3S
• Molecular Weight: 261.61
• SMILES: C1=CC(=C(N=C1)Cl)OS(=O)(=O)C(F)(F)F
• Topological: 64.6
• Monoisotopic Mass: 260.9474263
• Synonyms: 2-Chloro-3-pyridyl trifluoromethanesulfonateE, 2-chloropyridin-3-yl trifluoromethanesulfonate, 163083-47-4, HS-7517

Application

2-Chloro-3-pyridyl trifluoromethanesulfonate is a valuable building block in medicinal chemistry for the synthesis of pyridine-containing drug candidates. It is employed in cross-coupling reactions (e.g., Suzuki, Negishi) to introduce functionalized pyridine scaffolds into complex molecules. The compound also finds use in agrochemical research for developing novel pesticides and herbicides. Its triflate group facilitates efficient C-C and C-N bond formation under mild conditions.

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