Dihydro-1,4-oxazino(2,3-C)quinolines

Details Dihydro-1,4-oxazino(2,3-C)quinolines Dihydro-1,4-oxazino(2,3-C)quinolines

1987-07-13

1988-05-10

Raymond, Richard L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

544 6, 544 62, 544 71, 544101, 544128, 546159, 546163, 5142285, A61K 31535, A61K 3154, C07D49804, C07D51320

Patent

active

047436018

ABSTRACT:
There are disclosed novel compounds of the formula ##STR1## where X is hydrogen, loweralkyl, loweralkoxy, hydroxy, halogen, nitro or trifluoromethyl; R.sub.1 is hydrogen or loweralkyl; R.sub.2 is hydrogen, loweralkyl, arylloweralkyl or --(CH.sub.2).sub.m R.sub.7 wherein m is 1, 2 or 3 and R.sub.7 is cyano or amino; R.sub.3 and R.sub.4 are independently hydrogen or loweralkyl; R.sub.5 and R.sub.6 are independently hydrogen or loweralkyl, or R.sub.5 +R.sub.6 taken together with the carbon atom to which they are attached constitute a cyclobutane, cyclopentane, cyclohexane, cycloheptane, pyrrolidine, piperidine, morpholine or thiomorpholine ring, or R.sub.5 is hydrogen and R.sub.6 is aryl or --CH.sub.2 OR.sub.8 wherein R.sub.8 is hydrogen, loweralkyl or loweralkylcarbonyl, which are useful for enhancing memory.

REFERENCES:
patent: 4420480 (1983-12-01), Jones

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