Research Interests

​Visible light Transition-metal Photoredox-catalyzed Organic Transformations, including C-C, C-N cross-couplings and C-H bond activation reactions. 

Selected Publications

  • Meta-Selective C-H Activation of Arenes at Room Temperature Using Visible Light: Dual-Function Ruthenium Catalysis
    S. Arunachalam Sagadevan, M. Greaney
    Angew. Chem., Int. Ed. 2019, (2019)
  • Copper Photoredox Catalyzed A3’ Coupling of Arylamines, Terminal Alkynes, and Alcohols through a Hydrogen Atom Tran...
    S. Arunachalam, V. Kishore Kumar Pampana, K. Chu Hwang
    Angew. Chem., Int. Ed. 2019, 58, 3838, (2019)
  • Visible Light Copper Photoredox-catalyzed Aerobic Oxidative Coupling of Phenol and Terminal alkynes: Regioselective...
    S. Arunachalam , V.Pramod Charpe, A. Ragupathi and K. Chu Hwang
    J. Am. Chem. Soc.2017, 139, 2896, (2017)
  • One-Pot Room Temperature Green Conversion of Cyclohexane to Adipic Acid by Ozone/UV Light
    K. Chu Hwang, S. Arunachalam
    Science 2014, 346, 1495, (2014)
  • Singlet Oxygen-mediated Selective C-H bond Hydroperoxidation of Ethereal Hydrocarbons
    S. Arunachalam, K. Chu Hwang, M.-D. Su
    Nature Commun. 2017, 8, 1812, (2012)
  • Photoinduced Copper-Catalyzed Regioselective Synthesis of Indoles: Three-Components Coupling of Arylamines, Termina...
    S. Arunachalam, A. Ragupathi, K. Chu Hwang
    Angew. Chem., Int. Ed. 2015, 15, 13896, (2015)
  • Visible Light-Induced Excited-State Transition-Metal Catalysis
    R. Kancherla, K. Muralirajan, S. Arunachalam, M. Rueping
    Trends in Chemistry, 2019, (2019)

Education Profile

  • Ph.D., Chemistry, National Tsing Hua University (2013).
  • M. Sc., Chemistry, St Joseph College, Trichy, India. 
  • B. Sc., Chemistry, St Joseph College, Trichy, India.

Professional Profile

  • Nov. 2018 - Present: Postdoctoral fellow, KAUST, Thuwal, Saudi Arabia.
  • May 2017 - Nov. 2018: EPSRC Postdoctoral fellow, The University of Manchester, UK.
  • Aug. 2013 - March 2017: Postdoctoral fellow, National Tsing Hua University, Taiwan.


  • ​Feb. 2017 Best Postdoctoral Research Fellow Award from Ministry of Science and Technology, Taiwan. 

KAUST Affiliations

KAUST Catalysis Center (KCC)

Division of Physical Science and Engineering (PSE)