| Reaction of Phenylethyne with 2,4-Pentanedione in the Presence of Manganese(Ⅲ) Acetate and Oxygen |
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| 摘 要： | WerecentlyrePOrtedmanganese(III)acetate-mediatedoxidatheftee-ndtalCycliZaionofalkeneswith1,3-dionesl-3],o-ketoeSters4,51andaretoacetamjdesI6]inthepresenceofmolecularoxygenthatyteldedl,2-dioxan-3-olsingoodytelds.Asindlarreachonwasinveedgaedonalkynes,whichgaverisetonovelheterOCyliccomPOundsHereinwedescribetheresu1tS(Schemel)WhenthereachonofDhenVethVne(l)with2,4-pentanedione(2)wncAnedoutinthepresenceacetyl-2-methyl-5-phenylfuran(5)(Tablel,entryl),ThestructUralassigIUnentSarebasedonthe…
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