Tetrahedron Letters p. 4007 - 4010 (1999)
Update date:2022-07-30
Topics:
Sieburth, Scott McN.
McGee Jr., Kevin F.
Al-Tel, Taleb H.
A synthetic approach to fusicoccin A utilizing intramolecular photocycloaddition of tethered 2-pyridones has been completed. This study has led to the first solvent-dependent 2-pyridone photocycloaddition yielding either cis or trans products. Epoxidation of the cis photoproduct is selective for the disubstituted alkene, stabilizes the product, and is properly located for installation of the trans-1,2-diol. Activation of the secondary amide by reaction with an isocyanate led to the reduction of the neopentyl amide carbonyl to a methyl group.
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