Benzyl trifluoromethanesulfonate → 3-Benzyl-2-methylbenzotellurazolium Trifluoromethanesulfonate

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2-Methylbenzotellurazole (Example 18) (0.81 g), 0.0033 mole) was dissolved in dichloromethane (25 ml). The solution of benzyl trifluoromethanesulfonate (0.004 mole) in carbon tetrachloride, prepared as described above, was placed in a dropping funnel and added at room temperature under a nitrogen atmosphere to the benzotellurazole solution. Stirring was continued for 18 hours at room temperature after the addition was complete, maintaining a nitrogen atmosphere. The solid was isolated by filtration, washed with diethyl ether, and dried at room temperature under a vacuum. Yield 0.30 g (19% of theory) of a white powder, m.p. 120°-122° C. The infrared, nuclear magnetic resonance, and mass spectra of this compound were in agreement with that expected for the structural formula.

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