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Creators/Authors contains: "Demchenko, Alexei_V"

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  1. ; (, Chemistry – A European Journal)
    Abstract Thioglycosides are among the most common glycosyl donors that find broad application in the synthesis of glycans and glycoconjugates. However, the requirement for toxic and/or large access of activators needed for common glycosylations with thioglycosides remains a notable drawback. Due to the increased awareness of the chemical waste impact on the environment, synthetic studies have been driven by the goal of finding non‐toxic reagents. The main focus of this review is to highlight recent methods for thioglycoside activation that rely on transition metal catalysis. 
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  2. ; ; ; ; (, European Journal of Organic Chemistry)
    Abstract While studying indolylthio glycosides, previously we determined their activation profile that required large excess of activators. This drawback was partially addressed in the present study of N‐alkylated SInR derivatives. The activation process was studied by NMR and the increased understanding of the mechanism led to a discovery of different activation pathways taking place with SIn versus SInR derivatives. Also investigated was orthogonality of the SInR leaving groups versus thioglycosides and selective activation of thioimidates over SInR glycosides. 
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