Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1992-11-12
1994-02-15
Bernhardt, Emily
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
540578, 544 71, 544115, 544234, 544345, 544336, 544408, 544409, 548408, 549331, 549341, C07D48704, C07D48710, C07D48714, C07D48720
Patent
active
052868605
ABSTRACT:
This invention encompasses compounds of the formula: ##STR1## and pharmaceutically acceptable non-toxic salts thereof wherein: ##STR2## represents: ##STR3## where n is 0, 1, or 2; R.sub.1 and R.sub.2 are hydrogen or straight or branched chain alkyl groups;
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patent: 4596808 (1986-06-01), Braestrup et al.
patent: 4623649 (1986-11-01), Huth et al.
patent: 4719210 (1988-01-01), Seidelmann et al.
Certified English translation of H. Biere et al., Liebigs Ann. Chem., 1986, pp. 1749-1764.
Blum Charles
Hutchison Alan
Bernhardt Emily
Neurogen Corporation
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