Ruthenium(II)-Catalyzed Highly Chemo- and Regioselective Oxidative C6 Alkenylation of Indole-7-carboxamides.
Pankaj P JadhavNilesh M KaharSudam G DawandePublished in: Organic letters (2021)
We disclosed the first efficient method for highly chemo- and regioselective C6 alkenylation of indole-7-carboxamides using inexpensive Ru(II) catalyst through chelation assisted C-H bond activation. Electronically diverse indole-7-carboxamides and alkenes react efficiently to produce a wide range of C6 alkenyl indole derivatives. Further the C6 alkenyl indole-7-carboxamides modified to their derivatives through simple chemical transformations. The observed regioselectivity and kinetics has been evidenced by deuterium incorporation and intermolecular competitive studies. In addition, for mechanistic insights, the intermediates were analyzed by HRMS.
Keyphrases
- photodynamic therapy
- room temperature
- cancer therapy
- locally advanced
- radiation therapy
- squamous cell carcinoma
- high resolution
- mass spectrometry
- gold nanoparticles
- energy transfer
- highly efficient
- reduced graphene oxide
- case control
- tandem mass spectrometry
- aqueous solution
- liquid chromatography
- solid phase extraction