Rg. Arrayas et al., Facile enantiodivergent approach to 5-hydroxy-5,6-dihydro-2(1H)-pyridones.First total synthesis of both enantiomers of pipermethystine, ORG LETT, 3(21), 2001, pp. 3381-3383
[GRAPHICS]
A novel enantiodivergent approach to 5-hydroxy-5,6-dihydro-2(lh)-pyridones
using a ring closing metathesis and a lipase-mediated kinetic resolution as
key steps is described and applied to the first synthesis of both enantiom
ers of pipermethystine.