There are described compounds of the formula ##STR1## where n is 1, 2 or 3; R.sub.1 is hydrogen, formyl, loweralkylcarbonyl, arylloweralkylcarbonyl, loweralkyl, arylloweralkyl, ##STR2## R.sub.5 and R.sub.6 being independently loweralkyl or alternatively the group ##STR3## taken as a whole is ##STR4## R.sub.2 is hydrogen, loweralkyl, loweralkenyl, arylloweralkyl, --CH.sub.2 C.tbd.CH, ##STR5## R.sub.7 and R.sub.8 being independently loweralkyl or alternatively the group ##STR6## taken as a whole is ##STR7## R.sub.3 is hydrogen is loweralkyl; and R.sub.4 is hydrogen or loweralkyl; which compounds are useful as analgesic agents and also for treating various memory dysfunctions.
Preparation of 5-(1-Aminocyclohexyl)-2(1<i>H</i>)-Pyridinones Via the Ritter Reaction
作者:David M. Fink、Richard C. Effland
DOI:10.1080/00397919408010597
日期:1994.10
A series of 5-(l-aminocyclohexyl)-2(1H)-pyrdinones was prepared in 16-32% yield. The key step is a Ritter reaction of the analogous alcohols. The results reported demonstrate the difference in reactivity between the closely related 2-alkoxy-pyridines and 2(1H)-pyridinones.
5-(1-AMINOCYCLOHEXYL)-2(1H)-PYRIDINONE AND RELATED COMPOUNDS