The protected 3-C-methyl-alpha -D-allofuranose derivative 6, readily access
ible from D-glucose, could be transformed into a diene scaffold which under
went ring-closing metathesis (RCM) to give the functionalized oxepines 10a,
b. Further elaboration of 10a,b provided the 2'-zoapatanol analogs 3-5. (C)
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