Schering Aktiengesellschaft

Michael H Town

Werner Skuballa

Jorge Casals-Stenzel

Helmut Vorbrueggen

Ekkehard Schillinger

Norbert Schwarz

Bernd Raduechel

Gerda Mannesmann

Helmut Vorbruggen

Bernd Raduchel

Martin Haberey

Claus-Steffen Stuerzebecher

Bob Nieuweboer

Hernd Raduechel

Carbacyclin derivatives of Formula I ##STR1## wherein R.sub.1 is OR.sub.2, wherein R.sub.2 is hydrogen, alkyl, cycloalkyl, aryl, ##STR2## or a heterocyclic residue; or R.sub.1 is NHR.sub.3 wherein R.sub.3 is an acid residue (acyl) or R.sub.2 ;

3-oxa-5-fluoro-carbacyclins, their preparation and use as medicinal

The invention relates to carbacyclins of general Formula I ##STR1## wherein R.sub.1 is the residue CH.sub.2 OH or ##STR2## with R.sub.2 meaning a hydrogen atom, an alkyl, cycloalkyl, aryl residue, a ##STR3## or heterocyclic residue, or R.sub.1 is the residue ##STR4## with R.sub.3 meaning an alkanoyl or alkanesulfonyl residue of respectively 1-10 carbon atoms or the residue R.sub.2, or

Carbacyclins, process for the preparation thereof, and use thereof as

(5E)-13,14,18,18,19,19-hexadehydro-3-oxa-6a-carbaprostaglandin I.sub.2 derivatives of Formula I ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 are hydrogen or alkyl of 1-5 carbon atoms, and

Novel carbacyclins, processes for their preparation and their use as

Carbacyclin derivatives of Formula I ##STR1## wherein R.sub.1 is hydrogen or OR.sub.2, wherein R.sub.2 is hydrogen, alkyl, cycloalkyl, aryl, ##STR2## or a heterocyclic residue; or R.sub.1 is NHR.sub.3 wherein R.sub.3 is an acid residue (acyl) or R.sub.2,

Carbacylcins, their preparation and use as medicinal agents

Carbacyclin derivatives of Formula I ##STR1## wherein R.sub.1 is OR.sub.2, wherein R.sub.2 is hydrogen, alkyl, cycloalkyl, aryl, a heterocyclic residue, or NHR.sub.3, wherein R.sub.3 is an acid residue or hydrogen;

Novel carbacyclins, their preparation and use

Azaprostacyclins of Formula I ##STR1## wherein R.sub.1 is hydrogen, alkyl, cycloalkyl, aryl, a heterocyclic residue, or a phenacyl residue optionally substituted on the phenyl ring by bromine, phenyl, alkoxy, or dialkoxy,

Azaprostacyclins, their preparation and pharmaceutical use

Carbacyclinamides of Formula I ##STR1## wherein R.sub.1 is NHR.sub.4, wherein R.sub.4 is H, --(CH.sub.2).sub.n --R.sub.8 or straight-chained or branched aliphatic groups of 1-10 carbon atoms, cycloalkyl of 3-10 carbon atoms, aryl, or lower mono- or polyhydroxyalkyl of 2-8 carbon atoms, or R.sub.1 is NR.sub.4 R.sub.5 wherein R.sub.4 and R.sub.5 each are straight-chained or branched, lower, mono- or polyhydroxyalkyl of 2-8 carbon atoms, or R.sub.4 and R.sub.5 together with the adjoining N-atom form a 5- or 6-membered heterocycle which can optionally contain additional hetero atoms and can be substituted; or R.sub.1 is NR.sub.4 R.sub.5 wherein R.sub.4 is an aliphatic group of 1-10 carbon atoms, cycloalkyl of 3-10 carbon atoms, and R.sub.5 is straight-chained or branched aliphatic group of 1-10 carbon atoms, cycloalkyl of 3-10 carbon atoms, aryl, or lower, mono- or polyhydroxyalkyl of 2-8 carbon atoms;

Novel carbacyclinamides, their preparation and use as medicinal agents

Carbacyclins, their preparation and use

5-cyano-prostacyclins of the formula ##STR1## wherein R.sub.1 is OR.sub.2 or NHR.sub.3 ; R.sub.2 and R.sub.3 each independently is (a) H, (b) C.sub.1-10 -alkyl, (c) C.sub.1-10 -alkyl substituted by halo, C.sub.1-4 -alkoxy or phenyl, 1-naphthyl or 2-naphthyl, each optionally substituted as defined below, (d) C.sub.4-10 -cycloalkyl, (e) C.sub.4-10 -cycloalkyl substituted by C.sub.1-4 -alkyl, (f) phenyl, 1-naphthyl or 2-naphthyl, (g) phenyl, 1-naphthyl or 2-naphthyl substituted by 1-3 halogen atoms, phenyl, 1-3 alkyl groups of 1-4 C atoms each, or a chloromethyl-, fluoromethyl-, trifluoromethyl-, carboxyl-, hydroxy- or alkoxy-group of 1-4 C atoms, or (h) an aromatic, 5- or 6-membered heterocyclic ring containing one hetero atom which is O, N or S, the remaining atoms being carbon; R.sub.3 also possibly being an acyl group of a C.sub.1-15 -hydrocarbon carboxylic or sulfonic acid;

Growing community of inventors

Berlin, Germany

Michael H Town