| Abstract
| - An alkylidene carbene 1,5-CH insertion has been used as a key step in an enantioselective total synthesesof omuralide, its C7-epimer, and (+)-lactacystin. An additional noteworthy feature of the synthesis isthe use of a novel oxidative deprotection procedure, utilizing DMDO, for the conversion of a late-stagebenzylidene acetal into a primary alcohol and a secondary benzoate ester.
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