Pyridine → 2-Pyridyl Trifluoromethanesulfonate
Reaction equation
[N:1]1[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[F:7][C:8]([F:21])([F:20])[S:9]([O:12]S(C(F)(F)F)(=O)=O)(=[O:11])=[O:10]>C(Cl)Cl>[O:12]([C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][N:1]=1)[S:9]([C:8]([F:21])([F:20])[F:7])(=[O:11])=[O:10]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
In analogy to GP 2, reaction of 3.51 g Intermediate 1 (11.8 mmol, 1 eq.), 1.43 mL dry pyridine (17.7 mmol, 1.5 eq.), 2.98 ml trifluoromethanesulfonic acid anhydride (17.7 mmol, 1.5 eq.) in 95 mL DCM yielded 4.42 g 2-pyridyl triflate (10.4 mmol, 88% yield).
Sources & evidence
- ORD record
- ord-3d1b852bf72d441394ef11ebeec56e82
- Source dataset
- uspto-grants-2010_09
- Patent number
- US07795264B2
Reaction notes
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