Abstract: A compound selected from the group consisting of a compound of the formula ##STR1## wherein the dotted lines represent a possible endo or exo double bond, R.sub.1 and R.sub.2 are individually selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms, alkenyl and alkynyl of 2 to 8 carbon atoms, aryl of 6 to 14 carbon atoms, aralkyl of 7 to 18 carbon atoms and ##STR2## R'.sub.2 is alkyl of 1 to 8 carbon atoms or aryl of 6 to 14 carbon atoms, X is --O-- or --NR--, R is selected from the group consisting of hydrogen ##STR3## and --COOR', R' is hydrogen or alkyl of 1 to 8 carbon atoms, Y is selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms and alkenyl and alkynyl of 2 to 8 carbon atoms, all optionally substituted with at least one halogen or --OH, with the proviso that if Y is --OH, X is not --NH-- and their non-toxic, pharmaceutically acceptable addition salts of acids or bases having antibacterial and immunological properties.

Abstract: A) Compounds selected from the group consisting of a compound of the formula ##STR1## wherein U is ##STR2## m and n are individually 1 or 2 of one, the dotted lines is a single double bond optionally of cis or trans configuration, a is selected from the group consisting of hydrogen, methyl and methylene, Y is selected from the group consisting of hydrogen, residue of an amino acid with an .alpha.-or .omega.

Abstract: Novel benzimidazol-2-ones of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, cycloalkylalkyl of 4 to 7 carbon atoms, alkenyl and alkynyl of 3 to 5 carbon atoms with the multiple bond not between the carbons .alpha.- and .beta.- to the nitrogen and aralkyl of 7 to 12 carbon atoms optionally substituted with at least one member of the group consisting of halogen and alkyl and alkoxy of 1 to 5 carbon atoms and R.sub.1 is selected from the group consisting of hydrogen, --OH, alkoxy of 1 to 5 carbon atoms, phenoxy and phenylalkoxy of 7 to 9 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having dopaminergic, antiulcerous, and antihypertensive and vasodilatatory activity.

Abstract: A compound selected from the group consisting of a compound of the formulae ##STR1## wherein R.sub.1 ' is selected from the group consisting of alkoxy of 1 to 5 carbon atoms, phenoxy and phenylalkoxy of 7 to 9 carbon atoms, R' is selected from the group consisting of alkyl of 1 to 5 carbon atoms, cycloalkylalkyl of 4 to 7 carbon atoms and phenyl alkyl of 7 to 12 carbon atoms optionally substituted with one or more members of the group consisting of alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 5 carbon atoms, halogen and alkenyl of 3 to 5 carbon atoms and alkynyl of 3 to 5 carbon atoms with the proviso that the multiple bond is not between the carbons .alpha.- and .beta. to the nitrogen atom and B is a reversible secondary amine blocking group and their haloamines.

Abstract: Novel 7-hydroxy-indoles of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, cycloalkylalkyl of 4 to 7 carbon atoms and aralkyl of 7 to 12 carbon atoms optionally substituted by one or more members of the group consisting of alkyl and alkoxy of 1 to 5 carbon atoms, halogen and alkenyl and alkynyl of 3 to 5 carbon atoms with the multiple bond being other than between the carbons .alpha.- and .beta.- to the nitrogen atom, R.sub.1 is selected from the group consisting of --OH, alkoxy of 1 to 5 carbon atoms, phenoxy and phenylalkoxy of 7 to 9 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having remarkable dopaminergic properties with few central effects and a novel process and novel intermediates for their preparation.

Abstract: Novel pyrazolobenzoxazines of the formula ##STR1## wherein R is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, cycloalkylalkyl or 4 to 7 carbon atoms, alkenyl and alkynyl of 3 to 5 carbon atoms with the proviso that the multiple bond is not between the carbon .alpha.- and .beta.- to the nitrogen atom, aralkyl of 7 to 12 carbon atoms and aralkyl of 7 to 12 carbon atoms substituted with at least one member of the group consisting of alkyl and alkoxy of 1 to 5 carbon atoms, amino, -OH and halogen, X is selected from the group consisting of hydrogen and --CH.sub.2 --S--Alk, Alk is alkyl of 1 to 5 carbon atoms, the wavy line indicates the .alpha.- or .beta.-position and their non-toxic, pharmaceutically acceptable acid addition salts having dopaminergic agonistic, hypotensive, antihypertensive and antianoxic properties and their preparation.

Abstract: Novel C-homo-9-oxa-ergolines of the formula ##STR1## wherein R is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.1 is selected from the group consisting of hydrogen, chlorine and bromine or taken with b forms .dbd.0, a and b form a carbon-carbon bond or a is hydrogen when R.sub.1 and b form .dbd.0, R.sub.2 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms, aralkyl of 7 to 12 carbon atoms and cycloalkylalkyl of 4 to 7 carbon atoms, R.sub.3 is selected from the group consisting of hydroxymethyl, alkylthiomethyl of 1 to 5 alkyl carbon atoms, cyanomethyl, carboxy optionally esterified with an aliphatic alcohol of 1 to 5 carbon atoms and ##STR2## R.sub.4 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.5 is alkyl of 1 to 4 carbon atoms or R.sub.4 and R.sub.

Abstract: Novel derivatives of 9-oxalysergic acid of the formula ##STR1## wherein R is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.1 is selected from the group consisting of hydrogen, chlorine and bromine, R.sub.2 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms, aralkyl of 7 to 12 carbon atoms and cycloalkylalkyl of 4 to 7 carbon atoms, R.sub.3 is selected from the group consisting of --CH.sub.2 OH, alkylthiomethyl with 1 to 4 alkyl carbon atoms, --CH.sub.2 CN, --COOH, --COOAlk and ##STR2## Alk is alkyl of 1 to 5 carbon atoms, R.sub.4 is selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms, R.sub.5 is alkyl of 1 to 5 carbon atoms or R.sub.4 and R.sub.