Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1992-03-12
1994-01-04
Shah, Mukund J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
544333, 544405, 544269, 546144, 546167, 546193, 546256, 546257, 546283, 546284, C07D40904, C07D41904, C07D21718, C07D41704
Patent
active
052761509
ABSTRACT:
1,4-dihydropyridine derivatives of formula (I): ##STR1## wherein Ar.sup.1 and Ar.sup.2 each represent an unsubstituted or substituted aromatic hydrocarbon or aromatic heterocyclic group; and R.sup.1 represents --CO.sub.2 R.sup.2, --SO.sub.2 R.sup.3, --COR.sup.4, --CON(R.sup.5).sub.2, --CH--or --NO.sub.2 in which R.sup.2 is hydrogen, a straight chain, branched chain or cyclic saturated hydrocarbon group, which may have a substituent or a straight chain, branched chain or cyclic unsaturated hydrocarbon group having 2 to 10 carbon atoms, which may have a substituent, R.sup.3 is an alkyl group having 1 to 4 carbon atoms, R.sup.4 is an alkyl group having 1 to 4 carbon atoms or a phenyl group; and R.sup.5 is an alkyl group having 1 to 4 carbon atoms.
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Schoenafinger et al., CA 111:43289c Abstract of DE 3709352 published Sep. 29, 1988.
Schoenafinger et al. CA 110:39005v Abstract of DE 3707236 published Sep. 15, 1988.
Ikawa Hiroshi
Kadoiri Akiyoshi
Kobayashi Nobuo
Konagai Yasuko
Sekine Yasuo
Fujirebio Inc.
Grumbling Matthew V.
Shah Mukund J.
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