We report the first example of a tandem kinetic resolution/cycloisomerization of racemic allenic acetates in the presence of Burkholderia cepacia lipase (PS Amano SD) and catalytic amounts of chloroauric acid (HAuCl4) which affords 2,5‐dihydrofurans, as well as unreacted starting material, in one pot with high enantiomeric excess and moderate to good yield.
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Asikainen et al. (2009) studied this question.
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