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US 4,791,115 AGranted
2,6-dimethyl-8.alpha.-pivaloylamino-9,10-didehydro-ergoline
AssigneeSandoz Ltd.
InventorWalter Haefliger
Life of this patent
Estimating the term…
Abstract
Compounds of formula I ##STR1## wherein R.sub.1 is hydrogen or C.sub.1-4 alkyl, R.sub.2 is hydrogen, chlorine, bromine or methyl, R.sub.3 is C.sub.1-5 alkyl or C.sub.3-5 alkenyl and R.sub.4 is C.sub.1-7 alkyl; C.sub.3-7 cycloalkyl; adamantyl; or optionally substituted phenyl, are useful as neuroleptic agents and PRL secretion inhibitors.
Claims4
A compound which is 2,6-dimethyl-8.alpha.-pivaloylamino-9,10-didehydro-ergoline or a pharmaceutically acceptable acid addition salt thereof.
Dependencies are inferred from the claim text.