Attempts Towards Total synthesis of (±) Spirooliganone-A

The group has recently reported a novel protocol of oxidative dearomatization of napthols using phenyl selenium bromide (PhSeBr). The progress through this process towards the natural product synthesis especially the Spiroliganone system in the different conditions are the main goal for this work. Target was mainly the synthesis of oxa-spirane core through oxidative de- aromatization of the phenolic ring