4.4 Article

Synthesis and spin trapping properties of 1,1-dimethyl-3-(trifluoromethyl)-1H-isoindole N-oxide

Journal

TETRAHEDRON LETTERS
Volume 51, Issue 41, Pages 5399-5401

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.07.161

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Funding

  1. Japan Society for the Promotion of Science (JSPS) [21750165]
  2. Grants-in-Aid for Scientific Research [21750165] Funding Source: KAKEN

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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. (C) 2010 Elsevier Ltd. All rights reserved.

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