STEREOSELECTIVE PREPARATION OF PERHYDRO-3,6-DIMETHYL-2-BENZO[B]FURANONES

STEREOSELECTIVE PREPARATION OF PERHYDRO-3,6-DIMETHYL-2-BENZO[B]FURANONES

Synthetic methods and processes for preparation of perhydro-3,6-dimethyl-2-benzo[b]furanones, in particular dihydromintlactone, and analogs through reaction of dehydrogenation of menthanediols and analogs with a base in the presence of (carbonylchlorohydrido[bis-(2-diphenylphosphinoethyl)amine]ruthe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHESKIS, Michael, BECKER, Yigal
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:Synthetic methods and processes for preparation of perhydro-3,6-dimethyl-2-benzo[b]furanones, in particular dihydromintlactone, and analogs through reaction of dehydrogenation of menthanediols and analogs with a base in the presence of (carbonylchlorohydrido[bis-(2-diphenylphosphinoethyl)amine]ruthenium(II) as catalyst in good stereoselectivity and yields under stereochemistry controlled conditions are disclosed.