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Synlett 1997; 1997(9): 1099-1101
DOI: 10.1055/s-1997-1548
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Group 4 Metal Triflates as Efficient Catalysts for Allylations of Imines with Allyltributylstannane and Mannich-Type Reactions of Imines with Silyl Enol Ethers

Shu Kobayashi* , Shunsuke Iwamoto, Satoshi Nagayama
  • *Department of Applied Chemistry, Faculty of Science, Science University of Tokyo (SUT), CREST, Japan Science and Technology Corporation (JST), Kagurazaka, Shinjuku-ku, Tokyo 162, Japan, Fax +81(3)32604726
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Publication Date:
31 December 2000 (online)

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Catalytic allylation of imines with allyltributylstannane and catalytic Mannich-type reactions of imines with silyl enol ethers were successfully carried out in the presence of a group 4 metal triflate, such as Zr(OTf)4 or Hf(OTf)4, to afford the corresponding adducts in high yields.

metal triflate - imine - allylation - Mannich-type reaction - catalytic reaction - Lewis acid catalysis

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