Synthetic Studies towards Stachybotrin C

SYNLETT(2012)

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摘要
The preparation of racemic des-hydroxy stachybotrin C is described. Different approaches have been studied. Observations made in the course of the synthesis show the efficiency of the intermolecular cyclization between the diethyl acetal 19 and phenol 12 leading to the benzopyran moiety 17.
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关键词
natural products,pyrano-isoindolinone,spiro compounds,cyclization
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