Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1994-07-01
1995-09-12
Gupta, Yogendra N.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
544113, 544194, 544209, 544211, 544213, 544219, 544 83, C07D25130, C07D25138, C07D25140, C07D40304
Patent
active
054497779
ABSTRACT:
Compounds of formula I ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other hydrogen, C.sub.1 -C.sub.24 alkyl, phenyl-substituted C.sub.1 -C.sub.4 alkyl, unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted C.sub.5 -C.sub.8 cycloalkyl, unsubstituted or C.sub.1 -C.sub.4 alkyl-substituted phenyl, with the proviso that both substituents R.sub.1 and R.sub.2 are not simultaneously hydrogen,
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Ciba-Geigy Corporation
Gupta Yogendra N.
Hall Luther A. R.
Kovaleski Michele A.
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