Activation Relay on Rhodium-Catalyzed C–H Aminomethylation in Cooperation with Photoredox Catalysis
作者:Ruixing Liu、Jiaxin Liu、Yin Wei、Min Shi
DOI:10.1021/acs.orglett.9b01261
日期:2019.6.7
A site selective C–H aminomethylation at indole’s C3 position has been achieved by merging rhodium(III)-catalyzed C–H activation and photoredox catalysis in a one-pot manner. An investigation of the mechanistic insights rationalized the essence of the activation relay and the combination mode.
Access to Structurally Diverse Quinoline-Fused Heterocycles via Rhodium(III)-Catalyzed C–C/C–N Coupling of Bifunctional Substrates
作者:Songjie Yu、Yunyun Li、Xukai Zhou、He Wang、Lingheng Kong、Xingwei Li
DOI:10.1021/acs.orglett.6b01032
日期:2016.6.17
Rhodium(III)-catalyzed C–H activation of heteroarenes and functionalization with bifunctional substrates such as anthranils allows facile construction of quinoline-fused heterocycles under redox-neutral conditions. The couplings feature broad substrate scope and provide step-economical access to two classes of quinoline-fused condensed heterocycles.
A Water-Soluble Rhenium(I) Catalyst for the Regio- and Stereoselective C(sp<sup>2</sup>)–H Alkenylation of <i>N</i>-Pyridyl-/<i>N</i>-Pyrimidylindole and the N–H Alkenylation of <i>N</i>-Pyrimidylaniline Derivatives with Ynamides
作者:Sundaramoorthi Sarathkumar、Veerababurao Kavala、Ching- Fa Yao
DOI:10.1021/acs.orglett.0c04068
日期:2021.3.19
A water-soluble and low-valent rhenium(I) catalyst for the C2 alkenylation of N-pyridyl/N-pyrimidylindole derivatives with ynamides under mild conditions using water as the solvent has been described. The reaction of N-pyridyl/N-pyrimidyl indole with the ynamide afforded the C2-Z-selective alkenylation derivative as the sole product, and the reactions of N-pyrimidylanilines delivered the corresponding
Rhodium Catalyzed C2-Selective Cyanation of Indoles and Pyrroles
作者:Manthena Chaitanya、Pazhamalai Anbarasan
DOI:10.1021/acs.joc.5b00142
日期:2015.4.3
An efficient and general rhodium(III) catalyzed C2-selective cyanation of indoles and pyrroles was accomplished employing easily accessible and environmentally friendly cyanating reagent, NCTS. This methodology tolerates various functional groups, uses readily removable directing groups and allows the synthesis of various 2-cyanoindoles and pyrroles in good to excellent yield.
Rh(III)-Catalyzed Trifluoromethylthiolation of Indoles via C–H Activation
作者:Qiang Wang、Fang Xie、Xingwei Li
DOI:10.1021/acs.joc.5b00940
日期:2015.8.21
Cp*Rh(III) complexes have been applied as efficient catalysts for the C–Hactivation and trifluoromethylthiolation of indoles functionalized with a heterocycle. With N-trifluoromethylthiosaccharin being an electrophilic SCF3 reagent, this C–S coupling occurred selectively at the 2-position with good functional group tolerance.