Stereoselective Synthesis of Vinyl Triflones and Heteroaryl Triflones through Anionic O→C<sub>vinyl</sub>and N→C<sub>vinyl</sub>Trifluoromethanesulfonyl Migration Reactions
作者:Xiu-Hua Xu、Misaki Taniguchi、Xin Wang、Etsuko Tokunaga、Tomohiro Ozawa、Hideki Masuda、Norio Shibata
DOI:10.1002/anie.201307535
日期:2013.11.25
Six transformations, one pot: Various di‐ and trisubstituted vinyl triflones, as well as several heteroaryl triflones, were stereoselectively synthesized from easily accessible gem‐dibromovinyl substrates (see scheme, Boc=tert‐butoxycarbonyl). The highlights of this synthetic method lie in the remote O→Cvinyl or N→Cvinyl triflyl migrations and the one‐pot, three‐step protocol.
六个变换,一锅:各种二-和三取代的乙烯基triflones,以及几个杂triflones,被立体选择性地从容易获得合成宝石-dibromovinyl底物(参见方案的Boc =叔丁氧羰基)。该合成方法的重点在于远程O→C乙烯基或N→C乙烯基三氟乙烯迁移和一锅三步操作规程。