4.2 Article

INDIUM MEDIATED ALLYLATION OF N-tert-BUTANESULFINYL IMINES WITH 1,3-DIBROMOPROPENE: STEREOSELECTIVE SYNTHESIS OF AZIRIDINES

Journal

HETEROCYCLES
Volume 99, Issue 1, Pages 248-266

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.3987/COM-18-S(F)18

Keywords

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Funding

  1. Ministerio de Economia y Competitividad (MINECO) [CTQ2014-53695-P, CTQ2014-51912-REDC, CTQ2016-81797-REDC, CTQ2017-85093-P]
  2. FEDER
  3. Generalitat Valenciana [PROMETE011/2014/017]
  4. University of Alicante

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The reaction of N-tert-butanesulfinyl imines 1 with 1,3-dibromopropene (2), in the presence of indium metal, in saturated aqueous solution of sodium bromide, produced bromohomoallylamine derivatives 3 with total facial diastereoselectivity for the imine addition, and moderate yields. These compounds were easily transformed into the corresponding vinyl aziridines 5 upon deprotonation with KHMDS in THF, the intramolecular cyclization taking place in a stereospecific manner in moderate to high yields.

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