Short syntheses of enantiopure calystegine B2, B3, and B4
作者:Philip R. Skaanderup、Robert Madsen
DOI:10.1039/b102353p
日期:——
Calystegine B2, B3, and B4 have been prepared in 5 steps from the benzyl protected methyl 6-iodoglycopyranosides of glucose, galactose and mannose, respectively, by using a zinc-mediated domino reaction followed by ring-closing olefin metathesis as the key steps.