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Synlett 1997; 1997(1): 123-125
DOI: 10.1055/s-1997-695
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Synthesis of Hydroxylated Pyrrolizidines Related to Alexine using Cycloaddition Reactions of Functionalized Cyclic Nitrones

Adrian Hall, Kevin P. Meldrum, Patrick R. Therond, Richard H. Wightman*
  • *Department of Chemistry, Heriot-Watt University, Riccarton, Edinburgh EH14 4AS, U.K.
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Publication Date:
22 March 2004 (online)

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Cycloaddition reactions of the functionalized Δ1-pyrroline-N-oxides 10 and 19 have been used to prepare the hydroxylated pyrrolizidines 6 and 7 respectively, which are related to the natural products alexine and australine.

nitrones - cycloaddition - pyrrolizidines - alkaloids