Add time:08/24/2019         Source:sciencedirect.com

We have achieved an efficient synthesis of 1,1-dimethyl-3-(trifluoromethyl)-1H-isoindole N-oxide (2) in 39% yield by seven steps from 2-bromobenzoic acid (3). This compound serves as a spin trap reagent, giving a strong and stable ESR signal of the radical adduct of 2 in the presence of i-amyloxy radical generated by UV photolysis of i-amyl nitrite.

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