1,4-DIOXASPIRODECA-6,9-DIEN-2,8-DIONE DURCH ANODISCHE OXIDATION VON 4-METHOXYPHENOXYESSIGSAEUREN
On preparative anodic oxidation in acetonitrile at graphite electrodes 4-methoxyphenoxyacetic acids 1 cyclize to 1,4-dioxaspirodeca-6,9-dien-2,8-diones 2.Electroanalytical results are given.