Willmar Schwabe Gmbh & Co.

Herbert Von Der Eltz

Hermann Ernst Jaggy

Klaus Weinges

Reactive iridoid derivates represented by the following general formula ##STR1## (wherein R represents a hydrogen atom, an alkyl group with 1 to 5 carbon atoms, an acyl group with 2 to 6 C atoms, an unsubstituted aralkyl group with 7 to 12 C atoms, a methanesulfonyl- or toluenesulfonyl group, a benzoyl-, a preferably para-substituted nitrobenzoyl- or chlorobenzoyl group, or a tetrahydropyranyl group), process for the manufacture of said derivatives starting from catapol as an easily obtainable natural substance and use of said derivatives as intermediates for the manufacture of prostanoids.

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Plankstadt, Germany

Herbert Von Der Eltz