1994 Volume 58 Issue 4 Pages 740-744
The total synthesis of natural (+)-phomopsolide B (2) is described. A 5, 6-dihydro-2H-pyran-2-one framework was constructed by coupling chiral aldehyde 4 and 4-oxygenated enaminoester 5. The resulting 5, 6-dihydro-4-pyrrolidyl-2H-pyran-2-one (3) was converted to natural (+)-phomopsolide B (2) in several steps.
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