作者:Abhijit Sen、Kazuhiro Takenaka、Hiroaki Sasai
DOI:10.1021/acs.orglett.8b02946
日期:2018.11.2
An enantioselective aza-Wacker-type reaction was developed. When alkenyl sulfonamide substrates were treated with the Pd-SPRIX catalyst in the presence of oxone as an oxidant, the olefin was attacked intramolecularly by the nitrogen nucleophile to construct several heterocycles such as morpholines, piperazines, piperidines, and their benzo-fused derivatives in up to 88% yield with up to 80% ee.
开发了对映选择性的氮杂-瓦克型反应。当在丙酮作为氧化剂存在下用Pd-SPRIX催化剂处理链烯基磺酰胺底物时,烯烃被分子内的氮亲核体攻击以构筑几个杂环,例如吗啉,哌嗪,哌啶及其苯并稠合衍生物。达到88%的产率和高达80%的ee。