4.5 Article

Group 5 Metal Binaphtholate Complexes for Catalytic Asymmetric Hydroaminoalkylation and Hydroamination/Cyclization

Journal

ORGANOMETALLICS
Volume 30, Issue 5, Pages 921-924

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/om1011006

Keywords

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Funding

  1. National Science Foundation [CHE 0956021]
  2. Deutscher Akademischer Austauschdienst (DAAD)
  3. U.S. Department of Education
  4. Direct For Mathematical & Physical Scien
  5. Division Of Chemistry [0956021] Funding Source: National Science Foundation

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3,3'-Silylated binaphtholate tantalum and niobium complexes were shown to be efficient catalysts for the asymmetric hydroaminoalkylation of N-methylaniline derivatives and N-benzylmethylamine with simple alkenes in enantioselectivities of up to 80% ee. No hydroaminoalkylation was observed with aminoalkenes; rather, exclusive asymmetric hydroamination/cyclization took place in up to 81% ee.

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