ausblenden:
Schlagwörter:
Hydrolytic kinetic resolution
Baeyer-villiger oxidations
Terminal epoxides
Sesquiterpene lactones
Organic-solvents
Building-blocks
Pheromones
Cleavage
3,4-dihydroisocoumarins
Butyrolactones
Chemistry & Analysis in Current Contents(R)/Life Sciences Organic Chemistry/Polymer Science in Current Contents(R)/Physical, Chemical & Earth Sciences
Zusammenfassung:
An efficient and highly flexible synthesis for chiral gamma- and delta-lactones with high enantiomeric purity is described (> 99% ee and 57-87% overall yield). The protocol involves alkylation of chiral 1,2-oxiranes with terminally unsaturated Grignard