Ring-Expansion Protocol: Preparation of Synthetically Versatile Dihydrotropones
作者:Young-Sun Do、Ruiying Sun、Hee Jin Kim、Jung Eun Yeo、Sung-Hee Bae、Sangho Koo
DOI:10.1021/jo802064c
日期:2009.1.16
furnished versatile dihydrotropones 6. Maintaining Z-configuration in the oxidative ring-opening products 3 is crucial for the success of the ring-expansion strategy. Dihydrotropones 6 are ripe for further elaborations such as oxidation to tropones 8 and Diels−Alder reaction with the Danishefsky′s diene 10 to afford polycyclic compounds 12.