Institute of Synthetic Chemistry, Kaunas University of Technology, K. Baršausko g. 59, LT-51423 Kaunas, Lithuania
Laboratory of Growth Regulators, Institute of Experimental Botany of the Czech Academy of Sciences & Palacký University, Šlechtitelů 27, CZ-78371 Olomouc, Czech Republic
Authors to whom correspondence should be addressed.
These authors contributed equally to this work.
Molbank 2020, 2020(3), M1146; https://doi.org/10.3390/M1146
Received: 31 May 2020 / Revised: 30 June 2020 / Accepted: 3 July 2020 / Published: 8 July 2020
(This article belongs to the Section Organic Synthesis)
The palladium-catalyzed homocoupling of 5-iodo-3,3-dimethyl-2-phenyl-3H-indole afforded 3,3,3′,3′-tetramethyl-2,2′-diphenyl-3H,3′H-5,5′-biindole in 65% yield. This previously unreported compound was fully characterized by NMR, IR and HRMS data and its optical properties were studied by UV/vis and fluorescence spectroscopy.