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Claims for Patent: 4,060,691

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Claims for Patent: 4,060,691

Title: 7-{3-Hydroxy-2-[4-hydroxy-4-(lower alkyl)-trans-1-octen-1-yl]-5-oxocyclopent-1-yl}heptanoic acids and esters
Abstract:7-{3-Hydroxy-2-[4-hydroxy-4-(lower alkyl)-trans-1-octen-1-yl]-5-oxocyclopent-1-yl{heptanoic acids and esters, displaying valuable pharmacological properties, e.g., gastric anti-secretory, are produced by the reaction of a 7-(3-oxygenated-5-oxocyclopent-1-en-1-yl)heptanoic acid or ester with the appropriate organometallic reagent.
Inventor(s): Collins; Paul W. (Deerfield, IL), Pappo; Raphael (Skokie, IL)
Assignee: G. D. Searle & Co. (Chicago, IL)
Application Number:05/642,830
Patent Claims: 1. A compound of the formula

wherein R.sub.1 is hydrogen or lower alkyl; R.sub.2 and R.sub.3 are hydrogen or a lower alkanoyl, tetrahydropyran-2-yl, or tri(lower

2. The compound according to claim 1 of the formula ##STR23## wherein R.sub.1 is hydrogen or lower alkyl; and R.sub.4 is a lower alkyl radical.

3. The compound according to claim 1 which is methyl 7-[(3(R)-hydroxy-2.beta.-(4(S)-4-hydroxy-4-methyl-trans-1-octen-1-yl)-5-ox ocyclopent-1.alpha.-yl]heptanoate.

4. The compound which is racemic methyl 7-[(3(R)-hydroxy-2.beta.-(4(S)-4-hydroxy-4-methyl-trans-1-octen-1-yl)-5-ox ocyclopent-1.alpha.-yl]heptanoate.

5. The compound which is methyl 7-[(3(R)-hydroxy-2.beta.-(4(RS)-4-hydroxy-4-methyl-trans-1-octen-1-yl)-5-o xocyclopent-1.alpha.-yl]heptanoate.
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