Abstract
[structure: see text]. A new asymmetric total synthesis of (+)-eremantholide A is reported in which a Hoveyda-Grubbs ring-closing metathesis (RCM) reaction is used to assemble the nine-membered oxonin ring, and an enolate alkylation between the 3(2H)-furanone 2 and O-triflate 3 is exploited for C(9)-C(10) bond construction. An Evans asymmetric aldol reaction and a Sharpless asymmetric epoxidation served to stereoselectively install the C(6), C(7), and C(8) stereocenters of the target structure.
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