Indeno pyrazine and benzoquinoxaline intermediates

Details Indeno pyrazine and benzoquinoxaline intermediates Indeno pyrazine and benzoquinoxaline intermediates

1984-12-20

1987-01-20

Berch, Mark L.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544 96, 544115, 544238, 544295, 540556, C07D24138, C07D24144, C07D24142, C07D40106

Patent

active

046380663

ABSTRACT:
Compounds of formula (I), ##STR1## or an N-oxide or pharmaceutically acceptable salt thereof, wherein R.sub.1 is hydrogen, C.sub.1-7 alkyl, C.sub.3-7 cycloalkyl, C.sub.4-7 cycloalkenyl or C.sub.1-4 alkyl substituted by C.sub.2-7 alkenyl, C.sub.2-7 alkynyl, C.sub.3-7 cycloalkyl, hydroxy, thiol, C.sub.1-4 alkoxy, C.sub.1-4 alkylthio, carboxy, C.sub.1-4 alkoxycarbonyl, C.sub.1-4 alkanoyl, amino optionally substituted by one or two C.sub.1-4 alkyl or by C.sub.4-6 polymethylene optionally containing an oxygen or nitrogen atom, aminocarbonyl optionally N-substituted by one or two C.sub.1-4 alkyl, or benzoyl or phenyl either being optionally ring-substituted by C.sub.1-4 alkyl, C.sub.1-4 alkoxy, halogen or trifluoromethyl, R.sub.2 and R.sub.3 are the same or different and are hydrogen, hydroxy, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alkylthio, halogen or trifluoromethyl, m is 1 to 3 and n is 1 or 2, the hydrogen atom bonded to the C.sub.a carbon atom being trans to the hydrogen atom bonded to the C.sub.b carbon atom, having mood-modifying activity such as anti-depressant activity.

REFERENCES:
patent: 4273773 (1981-06-01), Demerson
patent: 4316900 (1982-02-01), Wasley

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