The Bromination of β-Angelica Lactone Revisited: Synthesis of New 3-Bromo-5-methylene- and 3-Bromo-5-methyl-2(5H)-furanones.

Article abstract of DOI:10.1016/S0040-4020(01)89551-X

Several title compounds have been synthesized efficiently from β-angelica lactone by using simple and mild methods that combine bromination and dehydrobromination or debromination processes accomplished in a convenient order.