157309-48-3

Upstream product

• 7757-38-2 O²,O³,O⁵,O⁶-diisopropylidene D-mannofuranose 
• 138034-65-8 (1R)-2,3-5,6-di-O-isopropylidene-1-C-phenyl-D-mannitol 
• 157309-46-1 Acetic acid (R)-[(4R,5R)-5-((R)-acetoxy-phenyl-methyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-methyl ester 
• 21204-67-1 methyl (triphenylphosphoranylidene)acetate 
• 157309-47-2 Acetic acid (R)-[(4R,5R)-5-((1R,2R)-1-acetoxy-2,3-dihydroxy-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-phenyl-methyl ester 

Relevant academic research and scientific papers

Goniobutenolides A and B: Serendipitous Syntheses, Relative and Absolute Configuration

The relative and absolute stereochemistries of natural goniobutenolides A and B are established as 1 and 2 respectively by short syntheses of them and their 8-epimers.