“…By this route, (10 S )-9,10- syn homoallylic alcohol 9 could be stereoselectively prepared through application of ate complex ( n -BuLi/DIBAL-H) reduction/Keck allylation protocols to yield α-alkoxy amide 10 ( vide infra ). Based on our previous work, 7 we were confident that key 6,7- cis -6,9-cis-THF intermediate 10 could be accessed by subjecting 6,7- syn -ω-bromo-α-alkoxy amide 11 to our stereoselective chelate-controlled IAEA reaction. Finally, we imagined that IAEA substrate 11 could be prepared in a straightforward manner from the known 6,7- syn epoxy alcohol 12 .…”