Selective Oxidation of 8,8′-Hydroxylated Binaphthols to Bis-spironaphthalenones or Binaphtho-para- and Binaphtho-ortho-quinones
摘要:
The selective oxidation of a series of functionalized 8,8'-hydroxylated binaphthols to binaphtho-para- and binaphtho-ortho-quinones has been realized using either a Co-salen catalyst or ortho-iodoxybenzoic acid. A unique spirocyclic bis-spironaphthalenone was also obtained in good yield via a phenyliodonium diacetate promoted oxidative dearomatization.
Selective Oxidation of 8,8′-Hydroxylated Binaphthols to Bis-spironaphthalenones or Binaphtho-<i>para</i>- and Binaphtho-<i>ortho</i>-quinones
作者:Erin E. Podlesny、Patrick J. Carroll、Marisa C. Kozlowski
DOI:10.1021/ol302195e
日期:2012.9.21
The selective oxidation of a series of functionalized 8,8'-hydroxylated binaphthols to binaphtho-para- and binaphtho-ortho-quinones has been realized using either a Co-salen catalyst or ortho-iodoxybenzoic acid. A unique spirocyclic bis-spironaphthalenone was also obtained in good yield via a phenyliodonium diacetate promoted oxidative dearomatization.