Journal
ORGANIC LETTERS
Volume 22, Issue 19, Pages 7681-7687Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.0c02892
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Funding
- Ministerio de Ciencia e Innovacion
- FEDER [CTQ2016-75023-C2-1-P, BU291P18]
- Junta de Castilla y Leon
- Junta de Castilla y Leon (Consejeria de Educacion)
- Fondo Social Europeo
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Skipped diynones, efficiently prepared from biomass-derived ethyl lactate, undergo a tandem hydration-oxacyclization reaction under gold(I) catalysis. Reaction conditions have been developed for a switchable process that allows selective access to 4-pyrones or 3(2H)-furanones from the same starting diynones. Further application of this methodology in the total synthesis of polyporapyranone B was demonstrated.
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