Direct Conversion of a Benzylic Hydroxy Group into a Selenenyl Group Using the Phenyl Trimethylsilyl Selenide-Aluminum Bromide Combination.
作者:Hitoshi ABE、Akira YAMASAKI、Takashi HARAYAMA
DOI:10.1248/cpb.46.1311
日期:——
A new reagent system, phenyl trimethylsilyl selenide-aluminum bromide, was developed for the direct conversion of various benzylic hydroxy groups into a selenenyl group. Treatment of cinnamyl alcohol with this reagent system yielded 3, 4-dihydro-4-phenyl-2H-1-benzoselenin via a [3, 3]-sigmatropic rearrangement of the intermediate cinnamyl phenyl selenide.
Radical selenation of C(sp<sup>3</sup>)–H bonds to asymmetric selenides and mechanistic study
作者:Xin Wang、Jia Lei、Sa Guo、Yan Zhang、Yong Ye、Shi Tang、Kai Sun
DOI:10.1039/d1cc06323e
日期:——
a broad range of biological activities and versatile transformational abilities. In this study, a novel and mild method was developed for the facile synthesis of asymmetric selenides under metal-free conditions. The key features of this reaction include good functional-group tolerance, the use of readily available reagents and cheap, low-toxicity solvent, and amenability to gram-scale synthesis. The