Radical‐Cation Cascade to Aryltetralin Cyclic Ether Lignans Under Visible‐Light Photoredox Catalysis
作者:Jia‐Chen Xiang、Qian Wang、Jieping Zhu
DOI:10.1002/anie.202007548
日期:2020.11.16
concise, sustainable, and cost‐effective synthesis of aryltetralinlignans, bearing either a fused lactone or cyclic ether, is of significant medicinal importance. Reported is that in the presence of Fukuzumi's acridinium salt under blue LED irradiation, functionalized dicinnamyl ether derivatives are converted into aryltetralin cyclic ether lignans with concurrent generation of three stereocenters in
Conidendrin. II.<sup>1</sup> The Stereochemistry and Reactions of the Lactone Ring<sup>2</sup>
作者:Merle E. Cisney、Wilbur L. Shilling、W. M. Hearon、David W. Goheen
DOI:10.1021/ja01649a021
日期:1954.10
Structural requirements for ipso-nitration with cerium(IV) ammonium nitrate (CAN)
作者:H. Asghedom、R.T. LaLonde、F. Ramdayal
DOI:10.1016/s0040-4039(02)00743-8
日期:2002.5
in which the carbon skeleton contains at least a diarylmethane with the aromatic rings appropriately substituted by electron donating groups exhibited ipso-nitration when treated with cerium(IV) ammoniumnitrate (CAN).