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US 4,059,577 AGranted
Synthesis of cyclopentanol
AssigneeHoffmann-La Roche Inc.
InventorsFrank Kienzle, Perry Rosen
Life of this patent
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Abstract
Process for synthesizing the lactone, (d1) 3,3a beta-4,5-6,6a- beta-hexahydro-4beta(3-hydroxyl-1-trans-octenyl)-5alpha-hydroxy-2-oxo-2H-c yclopenta[b]furan, a known intermediate for producing prostaglandin E.sub.2 and F.sub.2.alpha. and a process for preparing II-desoxy and II-alkyl prostaglandins from dihydroresorcyclic acid.
Claims1
A compound of the formula:
- ##STR30## wherein R.sub.9 is lower alkanozloxy, benzoyloxy, benloxy or tetrahydropyranyloxy
- and enantiomers and racemates thereof.
Dependencies are inferred from the claim text.