Paper
2,3‐Dibromo‐1‐(Phenylsulfonyl)‐1‐Propene as a Versatile Reagent for the Synthesis of Furans and Cyclopentenones: 2‐Methyl‐4‐[(Phenyl‐Sulfonyl)Methyl]Furan and 2‐Methyl‐3‐[(Phenylsulfonyl)Methyl]‐2‐Cyclopenten‐1‐One
Published Apr 28, 2003 · S. H. Watterson, Z. Ni, S. Murphree
Organic Syntheses
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Abstract
2,3-dibromo-1-(phenylsulfonyl)-1-propene as a versatile reagent for the synthesis of furans and cyclopentenones: 2-methyl-4-[(phenyl-sulfonyl)methyl]furan and 2-methyl-3-[(phenylsulfonyl)methyl]-2-cyclopenten-1-one intermediate: 1-(phenylsulfonyl)-1,2-propadiene intermediate: 2,3-dibromo-1-(phenylsulfonyl)-1-propene product: 2-methyl-4-[(phenylsulfonyl)methyl]furan product: 2-methyl-3-[(phenylsulfonyl)methyl]-2-cyclopenten-1-one Keywords: addition, to CC; annulation, heterocyclic-[5]; cyclization, cycloaddition; cyclization, cycloaddition; oxidation, S SO2; oxidation, miscellaneous; rearrangements; dichloromethane (methylene chloride); methanol; triethylamine; bromine
2,3-dibromo-1-(phenylsulfonyl)-1-propene is a versatile reagent for the synthesis of furans and cyclopentenones, with applications in the synthesis of 2-methyl-4-[(phenyl-sulfony
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