Erratum: Well-Defined Copper(I) Fluoroalkoxide Complexes for Trifluoroethoxylation of Aryl and Heteroaryl Bromides (Angewandte Chemie - International Edition (2015) (54) DOI: 10.1002/anie.201501257)

Full text of DOI:10.1002/anie.201504947

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Angewandte
Contents
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Angewandte
Corrigendum
In this Communication, the structure of complex 1a in Figure 1 contains an error. The
correct structure contains two [CF3CH2O] moieties, as indicated by a revised X-ray
crystal structure. The distinct proton and carbon resonance signals appear in the 1H and
13C NMR spectra of compound, indicative of diamagnetic copper(I) species. Deducing
from the charge balance, among two [CF3CH2O] groups, one of them is protonated. The
cocrystallized CF3CH2OH can be removed by washing the complex with diethyl ether
and drying under vacuum overnight. The reaction exploiting [Cu(phen)2(CF3CH2O)]
(with NaOtBu) has shown a similar result to that using [Cu(phen)2(CF3CH2O)-
(CF3CH2OH)] as described in the original paper.
Well-Defined Copper(I) Fluoroalkoxide
Complexes for Trifluoroethoxylation of
Aryl and Heteroaryl Bromides
R. Huang, Y. Huang, X. Lin, M. Rong,
Z. Weng*
5736–5739
Angew. Chem. Int. Ed. 2015, 54
Furthermore, in the Experimental Section, “CF3CH2OH (0.60 g, 6.0 mmol)” should be
“CF3CH2OH (1.20 g, 12.0 mmol)” and “1H NMR (400 MHz, [D6]DMSO) d 9.10 (s, 4H),
8.64 (d, J = 7.9 Hz, 4H), 8.12 (s, 4H), 7.89 (s, 4H), 3.86 (s, 2H). 19F NMR (376 MHz,
[D6]DMSO) d À75.4 (s, 3F)” should be “1H NMR (400 MHz, [D6]DMSO) d 11.0 (br,
1H), 9.10 (s, 4H), 8.64 (d, J = 7.9 Hz, 4H), 8.12 (s, 4H), 7.89 (s, 4H), 3.86 (br, 4H).
19F NMR (376 MHz, [D6]DMSO) d -75.4 (s, 6F)”.
DOI: 10.1002/anie.201501257
Similarly, 1c contains about 0.5 molecule of CF2HCF2CH2OH as indicated by the
19F NMR spectrum with p-(trifluoromethyl)toluene as an internal standard. For the
synthesis of 1c, “HCF2CF2CH2OH (0.78 g, 6.0 mmol)” should be “HCF2CF2CH2OH
(1.56 g, 12.0 mmol)”.
In the Supporting Information, on page S4, for the 13C NMR data of 1b, “155.1 (s), 155.0
(s), 154.9 (s)” should be “155.0 (m)”.
The authors would like to acknowledge Dr. Peter Mueller and Dr. Fang Wang at the
Massachusetts Institute of Technology for pointing out these errors which do not affect
the main conclusions of the work.
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Angew. Chem. Int. Ed. 2015, 53, 8007 – 8022