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Upstream product

• 194594-76-8 (3S,4S,5R,6R)-2-(allyloxy)-3,4,5-tris(benzyloxy)-6-(benzyloxymethyl)-tetrahydro-2H-pyran 
• 4132-28-9 2,3,4,6-tetra-O-benzyl-α-D-mannopyranoside 
• 100-39-0 benzyl bromide 
• 78153-79-4 2,3,4,6-tetra-O-benzyl-α-D-mannopyranosyl fluoride 
• 201852-49-5 potassium (E)-trifluoro(styryl)borate 

Relevant academic research and scientific papers

Direct C-glycosylation of organotrifluoroborates with glycosyl fluorides and its application to the total synthesis of (+)-varitriol

A mild, stereoselective, and quick approach to accessing alkynyl and alkenyl C-glycosides via BF3?Et2O promoted coupling of organotrifluoroborates and glycosyl fluorides is reported. The application of this method was further demonstrated by the concise and efficient total synthesis of (+)-varitriol in only seven steps.