Nickel-Catalyzed 8-Aminoquinoline Directed Reductive Dialkylcyclization/Homodialkylation of Unactivated Alkenes
作者:Lingyi Lu、Jing Sui、Shanshan Huang、Biao Xiong、Xiaobao Zeng、Xiaodong Qiu、Yanan Zhang
DOI:10.1021/acs.orglett.3c02955
日期:2023.11.3
dialkylation of alkene is an efficient protocol for constructing useful chemicals, but challenges remain in the unrestricted application of alkylating reagents. Alkyl bromide belongs to the easy-to-access and operable alkyl electrophiles that can be used in reductive coupling with alkenes. Here, we reported convenient strategies for dialkylcyclization and homodialkylation of unactivated β,γ- and γ,δ-unsaturated
烯烃的化学和区域选择性二烷基化是构建有用化学品的有效方案,但烷基化试剂的不受限制的应用仍然存在挑战。烷基溴属于易于获取和操作的烷基亲电子试剂,可用于与烯烃进行还原偶联。在这里,我们报道了在镍催化还原条件下用1,3-二溴烷烃或伯烷基溴对未活化的β,γ-和γ,δ-不饱和烯基酰胺进行二烷基环化和均二烷基化的便捷策略,该策略表现出高区域选择性和官能团耐受性。