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Correction: Organocatalytic Friedel–Crafts arylation of aldehydes with indoles utilizing N-heterocyclic iod(az)olium salts as halogen-bonding catalysts
Eirini M.
Galathri
a,
Thomas J.
Kuczmera
b,
Boris J.
Nachtsheim
*b and
Christoforos G.
Kokotos
*a
aLaboratory of Organic Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis, Athens 15771, Greece. E-mail: ckokotos@chem.uoa.gr
bInstitut für Organische und Analytische Chemie, Universität Bremen, Leobener Straße NW2C, 28359 Bremen, Germany
First published on 12th December 2023
Abstract
Correction for ‘Organocatalytic Friedel–Crafts arylation of aldehydes with indoles utilizing N-heterocyclic iod(az)olium salts as halogen-bonding catalysts’ by Eirini M. Galathri et al., Green Chem., 2023, https://doi.org/10.1039/D3GC03687A.
The article contains a mistake regarding the deuterated solvent that the mechanistic experiments were run in. The correct solvent is CD2Cl2 and not DMSO-d6.
The solvent has been updated to CD2Cl2 in the caption of Fig. 2 and the corresponding text in the Mechanistic studies section of the article. Corrections have also been made to the ESI associated with the article.
The original Fig. 2 and corrected figure caption are shown here.
 | ||
| Fig. 2 1H NMR (600 MHz, CD2Cl2) studies of (A) 3-phenylpropanal (1a) and (B) the mixture of 1a with 3e, and 13C NMR (150 MHz, CD2Cl2) studies of (C) 3-phenylpropanal (1a) and (D) the mixture of 1a with 3e. | ||
The corresponding text in the Mechanistic studies section of the article has been corrected to:
Initially, the 1H-NMR (600 MHz, CD2Cl2) spectrum of 3-phenyl-propanal (1a) was recorded (Fig. 2A). The triplet peak of the proton of the carbonyl group resonates at 9.79 ppm. The addition of 1.0 equiv. of catalyst 3e to 1a resulted in a slight shift in 1H-NMR from 9.79 ppm to 9.80 ppm (Fig. 2B). Moving to 13C-NMR (150 MHz, CD2Cl2), the carbon of the carbonyl moiety of 3-phenyl-propanal (1a) resonates at 202.04 ppm (Fig. 2C).
The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.
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