The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 07, 1993
Filed:
Nov. 18, 1991
Alan S Horn, Groningen, NL;
Whitby Research, Inc., Richmond, VA (US);
Abstract
This invention provides a method for treating the symptoms of schizophrenia by interacting selectively with presynaptic dopaminergic D.sub.2 receptors without appreciably activating postsynaptic dopamine receptors which comprises administering to a schizophrenic an effective amount of a compound selected from the group consisting essentially of the stereoisomers of mixtures thereof of compounds represented by the general formula: ##STR1## wherein R.sub.1 is selected from the group consisting of pyridyl and ##STR2## X is oxygen or sulfur, Y, if present, is selected from the group consisting of hydroxy, nitro, cyano, azido, amino, acylamino, carboxyamido, trifluoromethyl, sulfate, sulfonamido halogen, hydrocarbyl and hetero atom-substituted hydrocarbyl radicals, wherein said heteroatoms are selected from the group consisting of halogen, nitrogen, oxygen, sulfur and phosphorus and said hydrocarbyl radicals comprise from 1 to 12 carbon atoms, and a is an integer between zero and 3, R.sub.2 is H, R.sub.4 is OA and R.sub.3 is selected from the group consisting of H and OA, A is H or is selected from the group consisting of hydrocarbyl radicals, or ##STR3## R.sub.5 is selected from the group consisting of hydrocarbyl radical and n is 2 or 3.