The catalytic activity of iron(II) complexes with functionalized amine-pyrazolyl tripodal ligands toward dimerization of terminal alkynes in the presence a base (KOtBu or NaOtBu) has been studied. An unusual E/Z selectivity of the reaction determined by tert-butoxide was observed.
Bibliographical noteFunding Information:
†Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore ‡Institute of Materials Research and Engineering, Agency for Science Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis, Singapore 138634, Singapore §KAUST Catalysis Center and Division of Physical Science and Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia ∥Department of Chemistry, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
We are grateful to the Agency for Science, Technology and Research (A*Star) of Singapore (R-143-000-566-305 and IMRE/16-1C0131), GlaxoSmithKline (R-143-000-492-592) and KAUST for financial support. The computation work was supported by the A*STAR Computational Resource Centre through the use of the high-performance computing facilities and by KAUST.
© 2018 American Chemical Society.
ASJC Scopus subject areas
- Chemical Engineering(all)