Abstract
The influence of the flow rate and the mode of mixing of reagent solutions on the result of glycosylation of isopropyl alcohol with glycooxazoline in 1,2-dichloroethane in the presence of (±)-camphor-10-sulfonic acid was studied. No reaction products were observed at low flow rates (⩽0.043 mL h−1) when using two Comet X-01 micromixers. Under these conditions, the disaggregation of supramers of the reagents is apparently inefficient for the reaction between them to occur. However, when one of the Comet X-01 micromixers was replaced with a T-shaped adapter (at the same flow rate), the expected reaction products, glycoside and glycal, appeared in the reaction mixture. This apparently suggests a higher disaggregation of the supramers reagents under these conditions, which allows the chemical reaction between them to occur.
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06 February 2020
To the article “Glycosylation in flow: effect of the flow rate and type of the mixer,” by I. V. Myachin, A. V. Orlova, and L. O. Kononov, Vol. <Emphasis Type="Bold">68</Emphasis>, No. 11, pp. 2126–2129, November, 2019.
In the original international version of the article, one phrase was omitted.
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This work was financially supported by the Russian Science Foundation (Project No. 16-13-10244-P).
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2126–2129, November, 2019.
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Myachin, I.V., Orlova, A.V. & Kononov, L.O. Glycosylation in flow: effect of the flow rate and type of the mixer. Russ Chem Bull 68, 2126–2129 (2019). https://doi.org/10.1007/s11172-019-2677-y
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DOI: https://doi.org/10.1007/s11172-019-2677-y