338
D. Wang et al. / Tetrahedron: Asymmetry 10 (1999) 327–338
was purified by flash chromatography using hexane–ethyl acetate as eluent to give the corresponding
product, α-homoallylic hydroxy ester.
Acknowledgements
We gratefully acknowledge financial support by the National Natural Science Foundation of China and
thank Professor T. H. Chan for helpful suggestions.
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