216971-50-5

Upstream product

• 135006-17-6 (4S)-(+)-4-(2-carbomethoxy-1-ethynyl)-2,2-dimethyl-1,3-dioxolane 
• 86300-02-9 4,5-Dihydro-5,5-dimethyl-2-(triphenylphosphoranylidenamino)-3-furancarbonitril 
• 56017-84-6 (4S)-4-(2,2-dibromoethenyl)-2,2-dimethyl-1,3-dioxolane 
• 1707-77-3 1,2:5,6-di-O-isopropylidene-D-mannitol 
• 15186-48-8 2,3-isopropylidene-glyceraldehyde 
• 56017-85-7 (S)-4-ethynyl-2,2-dimethyl-1,3-dioxolane 

Relevant academic research and scientific papers

New access to 7-membered heterocyclic C-glycosides by the Cyclo-Addition-Ring-Expansion (CARE)-reaction

CARE-reaction of methyl 3-(2,3-O-isopropylidene-5-O-trityl-β-D-ribofuranosyl)propiolate 1 and methyl 4(R)-4,5-O-isopropylidene-2-pentynecarboxylate 10 leading to 7-membered heterocyclic C-glycosides is reported.