scheme62

Scheme 62. Spirolactonization reaction of isatins 106 and α, β-unsaturated aldehydes 125. This figure is used with permission from the Royal Society of Chemistry[137].
Scheme 62. Spirolactonization reaction of isatins 106 and α, β-unsaturated aldehydes 125. This figure is used with permission from the Royal Society of Chemistry[137].
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