Concomitant bromination and lactolisation of unsaturated diols with sodium bromite in aqueous acetic acid

Article abstract of DOI:10.1016/S0040-4039(97)01004-6

The attempted lactonisation of unsaturated diols 8, 13, and 15 using sodium bromite in aqueous acetic acid gave the bromo lactols 9, 16, and 18 respectively. The bromo lactols were converted to their corresponding lactones 10, 17, and 19 using Jones reagent.