Total Synthesis of (±)-Leporin A
The Journal of Organic Chemistry1996Vol. 61(8), pp. 2839–2844
Citations Over TimeTop 12% of 1996 papers
Abstract
An efficient synthesis of (+/-)-leporin A (1) has been developed using a tandem Knoevenagel condensation-inverse electron demand intramolecular hetero Diels-Alder reaction to construct the key tricyclic intermediate 3 from pyridone 5 and dienal 6 in one pot in 35% yield. Hydroxylation (71%) of 3 and methylation (77%) of the resulting hydroxypyridone 2 completed the first total synthesis of (+/-)-leporin A (1).
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