A novel and direct synthesis of chroman derivatives using a hypervalent iodine(III) reagent
作者:Hiromi Hamamoto、Kayoko Hata、Hisanori Nambu、Yukiko Shiozaki、Hirofumi Tohma、Yasuyuki Kita
DOI:10.1016/j.tetlet.2004.01.104
日期:2004.3
The direct aromatic carbon–oxygen bond-formation reaction was described and the novel and simple synthetic method for chroman derivatives involving aromatic cation radical intermediates was developed using the hypervalent iodine(III) reagent, phenyliodine(III) bis(trifluoroacetate) (PIFA).
Nucleophilic attack of intramolecular hydroxyl groups on electron-rich aromatics using hypervalent iodine(III) oxidation
作者:Kayoko Hata、Hiromi Hamamoto、Yukiko Shiozaki、Simon B. Cämmerer、Yasuyuki Kita
DOI:10.1016/j.tet.2007.02.118
日期:2007.5
The hypervalent iodine(III) reagent, phenyliodine bis(trifluoroacetate) (PIFA)-mediated oxidative nucleophilic substitution of electron-rich aromatics involving aromatic cation radical intermediates was utilized in the direct aromatic carbon–oxygen bond formation reaction, and a novel and simple synthetic method for chroman derivatives was developed. As an extension of this methodology, a facile access