Nickel-Catalyzed Reductive Borylation of Enaminones via C(sp<sup>2</sup>)–N Bond Cleavage
作者:Xiaoning Li、Zunsheng Chen、Yan Liu、Nianhua Luo、Weiming Chen、Chenfu Liu、Fuchao Yu、Jiuzhong Huang
DOI:10.1021/acs.joc.2c00096
日期:2022.8.5
The cleavage and transformation of alkenyl C(sp2)–N bonds is a significant synthetic challenge. Herein we described an unprecedented nickel-catalyzed reductive borylation of enaminones to synthesize β-ketone boronic esters. Notably, B2pin2 played the dual role in this process, and water served as a hydrogen source, which was transferred to target products. The air-stable nickel catalyst was applied
烯基 C(sp 2 )-N 键的裂解和转化是一项重大的合成挑战。在此,我们描述了一种前所未有的镍催化烯胺酮还原硼化合成β-酮硼酸酯。值得注意的是,B 2 pin 2在这个过程中起到了双重作用,水作为氢源,被转移到目标产品中。在机理研究的基础上,将空气稳定的镍催化剂应用于烯基 C(sp 2 )-N 键的断裂,同时伴随着烯基硼酸酯中间体的还原过程。