Abstract
A highly efficient asymmetric total synthesis of ent -guadinomic acid [(-)-K01-0509
B] was accomplished from the known epoxy alkenol which
is resolved by HKR method. Cross metathesis of the alkene part with
acrylate and epoxide opening with azide followed by intramolecular
guanidine formation reactions furnished ent -guadinomic
acid.
Key words
cyclic guanidine - epoxides - guadinomic acid - metathesis - total synthesis
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