Carbon–Carbon Bond Formation between<i>N</i>-Heterocyclic Carbene Ligand on Ruthenium Carbene Catalysts and 1,4-Naphthoquinone via Intramolecular Carbon(sp<sup>3</sup>)–Hydrogen Bond Activation
作者:Yuki Wada、Tsunayoshi Takehara、Takeyuki Suzuki、Satoshi Aoki、Takayuki Hibi、Makoto Sako、Hirofumi Tsujino、Yasuo Tsutsumi、Mitsuhiro Arisawa
DOI:10.1021/acs.organomet.1c00350
日期:2021.8.23
have been extensively studied because of their importance in organic synthesis. Here, we developed a novel cross-coupling reaction between 1,4-naphthoquinone and NHC ligands on ruthenium benzylidene complexes via intramolecular C(sp3)–H bond activation. Also, we discovered a novel tricyclic blue pigment, 2-(1-mesityl-5,7-dimethyl-2,3-dihydro-1H-imidazo[1,2-a]indol-9-yl)naphthalene-1,4-dione, as a product
钌卡宾催化剂的反应,包括它们的复分解、非复分解和分解反应,由于它们在有机合成中的重要性而被广泛研究。在这里,我们通过分子内 C(sp 3 )-H 键活化开发了 1,4-萘醌和 NHC 配体在亚苄基钌配合物上的新型交叉偶联反应。此外,我们还发现了一种新型三环蓝色颜料,2-(1-mesityl-5,7-dimethyl-2,3-dihydro-1 H - imidazo[1,2 - a ]indol-9-yl)naphthalene-1, 4-二酮,作为反应产物。