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À propos de : [4 + 2] Cycloaromatization of4-Bis(methylthio)-3-buten-2-one with ActiveMethylene Ketones: A Simple and FacilePhenol Annulation        

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  • [4 + 2] Cycloaromatization of4-Bis(methylthio)-3-buten-2-one with ActiveMethylene Ketones: A Simple and FacilePhenol Annulation
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  • A new method for β-phenol annulation involvingbase-induced [4C + 2C] cycloaromatization of readily available 4-bis(methylthio)-3-buten-2-one with a variety of cyclicand acyclic active methylene ketones has been reported.Appropriate choice of ketones allows synthesis of diverseframeworks such as dihydroindan, tetrahydronaphthalenes,their higher homologues, dihydro/octahydrophenanthrenes,anthracene, and heteroannulated analogue in high yieldswith regiocontrol of phenolic functionality.
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