9 substituted 4,9-dihydro-1,3,4,4-tetraalkyl-1h-pyrazolo(3,4-b)quinolines
Abstract
Abstract 4,9- DIHYDRO-1H-PYRAZOLO(3,4)-QUINOLINE COMPOUNDS, SUBSTITUTED IN THE 1-POSITION BY ALKYL OR 2-HYDROXY IN THE 3- AND 4-POSITIONS BY METHYL OR ETHYL, OPTIONALLY IN THE 6- OR 7-POSITION BY METHYL, CHLORO, FLUORO, METHOXY, OR METHYLTHIO, AND OPTIONALLY IN THE 9-POSITION BY A 3(AMINO, METHHYLAMINO) PROPYL N-OXIDE GROUP; SALTS THEREA 3-(DIMETHYLAMINO)PROPYL, N-OXIDE GROUP; SALTS THEREOF; AND THEIR PRODUCTION BY (A) CYCLIZING AN O-(PYRAXOL5-YL)-AMINO -A,A-DIALKYLBENZYL AALCOHOL, (B) REACTING AN ALKALI METAL SALT OF ONE OF THE 9-UNSUBSTITUTED COMPOUNDS WITH A 3-(DOMETHYLAMINO)PROPYL HALIDE, (C) REACTING A 9(3-HALOPROPYL)-INTERMEDIATE WITH METHYLAMINE, (D) REDUCING A 9-(3-AZIDOPROPYL)-INTERMEDIATE, AND (E) REACTING ONE OF THE 9-(3-(DIMETHYLAMINO)PROPYL)-COMPOUNDS WITH AN OXIDIZING AGENT. THE COMPOUNDS ARE USEFUL AS INTERMEDIATES AND AS ANTIDREPRESSANT AGENTS.
Inventors
- 👤 H Dewald
Bibliographic Details
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