261525-18-2

Upstream product

• 261525-17-1 1,2-O-isopropylidene-3-O-(prop-1'-enyl)-α-D-xylofuranose 
• 182934-64-1 (3aR,5R,6S,6aR)-6-(allyloxy)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-ylmethanol 
• 152185-56-3 3-O-Allyl-1,2-O-isopropylidene-α-D-xylo-pentodialdose 
• 20316-77-2 (3aR,5R,6S,6aR)-6-(allyloxy)-5-((R)-2,2-dimethyl[1,3]dioxolan-4-yl)-2,2-dimethyl-tetrahydrofuro[2,3-d][1,3]dioxole 
• 91882-92-7 3-O-allyl-1,2-O-isopropylidene-α-D-glucofuranose 

Downstream Products

• 261525-15-9 (3'S,4'R) 1,2-O-isopropylidene-3-O-(3'-methyl-azetidin-2'-on-4'-yl)-5-O-tosyl-α-D-xylofuranose 

Relevant academic research and scientific papers

Synthesis of 7-substituted 5-dethia-5-oxacephams via [2+2]cycloaddition of chlorosulfonyl isocyanate to sugar vinyl ethers

[2+2]Cycloaddition of chlorosulfonyl isocyanate (CSI) to (Z) prop-1′-enyl, (Z) and (E) 4′-trimethylsilyl-but-1′-enyl ethers of 1,2-O-isopropylidene-5-O-trityl-α-D-xylofuranose proceeds with high stereoselectivity to afford respective azetidin-2-ones. Subs