Trimethylsilyl trifluoromethanesulfonate acts as the Lewis acid catalyst in this reaction. It helps activate the alkynoate and promotes the carbocupration process.
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ethyl (E)-2-deuteriumcinnamate
1-(2’,3’,4’,6’-tetra-O-benzoyl-β-D-glucopyranosyl)-uracil
3-chlorophenyl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside
