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- Title
Synthesis of Potential Glycosyl Transferase Inhibitors by Thio‐Click Reactions.
- Authors
Debreczeni, Nóra; Bege, Miklós; Borbás, Anikó
- Abstract
Leloir glycosyltransferases play an important role in many fundamental processes of living systems by catalyzing biological glycosylations. Neutral analogues of nucleotide sugars, as potential donor‐substrate inhibitors of Leloir glycosyltransferases, are of prime interest in medicinal chemistry. We report the development of S‐linked sugar‐nucleotide analogues by replacing the α‐O‐pyrophosphate bridge with an electroneutral ethyl or propyl linker by radical mediated hydrothiolation of 2‐substituted glycals and olefinic nucleoside analogues. UDP‐glucose and UDP‐GlcNAc analogues were assembled from 2‐substituted glycals, 1,2‐ethanedithiols and uridine 4'‐exomethylene derivative by two subsequent thio‐click reactions. Morpholino type mimetics of UDP‐, GDP‐ and CMP‐sugars were constructed by photoinitiated additions of 1‐thiosugars (Glc, GlcNAc, Gal, Man) and 2‐thio‐Neu5Ac onto N‐allyl morpholinos.
- Subjects
GLYCOSYLTRANSFERASES; PHARMACEUTICAL chemistry; GLYCALS; BIOLOGICAL systems; URIDINE; NUCLEOSIDE derivatives
- Publication
European Journal of Organic Chemistry, 2021, Vol 2021, Issue 48, p6743
- ISSN
1434-193X
- Publication type
Article
- DOI
10.1002/ejoc.202101220