Iodine(III)‐Mediated/Catalyzed Cycloisomerization–Amination Sequence of
<i>N</i>
‐Propargyl Carboxamides
作者:Yuki Okamura、Daisuke Sato、Akira Yoshimura、Viktor V. Zhdankin、Akio Saito
DOI:10.1002/adsc.201700587
日期:2017.9.18
(Diacetoxyiodo)benzene or iodine(III) catalyst, in situ generated from iodobenzene precatalyst with Oxone, promotes the cycloisomerization–amination sequence of N-propargyl carboxamides with bis(sulfonyl)imides under mild conditions, thereby leading to the direct formation of oxazoles bearing nitrogen functional groups.
碘苯预催化剂与Oxone原位生成的(二乙酰氧基碘)苯或碘(III)催化剂可在温和条件下促进N-炔丙基羧酰胺与双(磺酰基)酰亚胺的环异构化-胺化顺序,从而导致含恶唑的直接形成氮官能团。