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Retraction: Dual catalysis with magnetic chitosan: direct synthesis of cyclic carbonates from olefins with carbon dioxide using isobutyraldehyde as the sacrificial reductant
Subodh
Kumar
a,
Nikita
Singhal
a,
Raj K.
Singh
a,
Piyush
Gupta
b,
Raghuvir
Singh
b and
Suman L.
Jain
*a
aChemical Sciences Division, CSIR-Indian Institute of Petroleum, Dehradun 248005, India. E-mail: suman@iip.res.in; Fax: +91-135-2660202; Tel: +91-135-2525788
bAnalytical Sciences Division, CSIR-Indian Institute of Petroleum, Dehradun 248005, India. Fax: +91-135-2660202; Tel: +91-135-2525788
First published on 17th January 2025
Abstract
Retraction of ‘Dual catalysis with magnetic chitosan: direct synthesis of cyclic carbonates from olefins with carbon dioxide using isobutyraldehyde as the sacrificial reductant’ by Subodh Kumar et al., Dalton Trans., 2015, 44, 11860–11866, https://doi.org/10.1039/C5DT01012H.
The Royal Society of Chemistry hereby wholly retracts this Dalton Transactions article due to concerns with the reliability of the NMR spectra reported in the supplementary information.
There are inconsistencies in the appearance of the NMR spectra in Fig. S2 and S3 indicating that they have been inappropriately edited. The authors are unable to provide the raw NMR data.
Given the significance of the concerns regarding the integrity of the NMR data, the findings presented in this paper are no longer reliable.
All authors were informed about the retraction. Suman L. Jain accepts the decision to retract. The other authors did not respond.
Signed: Sally Howells-Wyllie, Executive Editor, Dalton Transactions
Date: 12th December 2024
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