N-(halopyridin-4-yl)-N-substituted compounds as intermediates in

Details N-(halopyridin-4-yl)-N-substituted compounds as intermediates in N-(halopyridin-4-yl)-N-substituted compounds as intermediates in

1992-11-16

1994-01-04

Ford, John M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546147, 546194, 540597, 544131, 544364, C07D40112, A61K 3144

Patent

active

052761568

ABSTRACT:
This invention relates to 1-(pyrido[3,4-b]-1,4-oxazinyl-4-yl)-1H-indoles of the formula ##STR1## where R.sub.1 -R.sub.3 are as defined herein which are useful for alleviation of depression and various memory dysfunction characterized by a cholinergic or adrenergic deficit. This invention also relates to intermediate compounds of the formula ##STR2## where R.sub.1, R.sub.2, R.sub.3, R.sub.7 and X are as defined herein.

REFERENCES:
patent: 4880822 (1989-11-01), Effland et al.
patent: 4970218 (1990-11-01), Effland et al.

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