Synthesis of Deuterated (<i>E</i>)-Alkene through Xanthate-Mediated Hydrogen–Deuterium Exchange Reactions
作者:Jiaming Li、Jian Li、Xiaoliang Ji、Runfa He、Yang Liu、Zebin Chen、Yubing Huang、Qiang Liu、Yibiao Li
DOI:10.1021/acs.orglett.1c02600
日期:2021.10.1
Herein we have developed a reversible hydrogen–deuteriumexchange reaction of nonactivated olefins. By using EtOCS2K as a mediator, the H/D exchange reaction was realized through repeated addition and elimination reactions, demonstrating reversible H/D exchange between ordinary olefins and deuterated olefins. Using the lowest cost D2O without precious metal catalysts and ligands, a broad spectrum of
在此,我们开发了非活化烯烃的可逆氢-氘交换反应。以EtOCS 2 K为介体,通过反复加成和消去反应实现H/D交换反应,证明了普通烯烃和氘化烯烃之间的H/D交换是可逆的。在没有贵金属催化剂和配体的情况下使用最低成本的 D 2 O,实现了广泛的官能团兼容性。
Brønsted acid-catalysed conjugate addition of photochemically generated α-amino radicals to alkenylpyridines
作者:Hamish B. Hepburn、Paolo Melchiorre
DOI:10.1039/c5cc10401g
日期:——
The conjugate addition of [small alpha]-amino radicals to alkenylpyridines has been accomplished by the synergistic merger of Bronsted acid and visible light photoredox catalysis. Key to reaction development was the protonation...