Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1991-04-15
1992-11-10
Lee, Mary C.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
514322, 514387, A61K 31535, A61K 31445, A61K 31415
Patent
active
051623188
ABSTRACT:
Benzimidazolinone derivatives of the general formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3, which may be the same or different, each is a hydrogen or halogen atom or a lower alkyl, halo-lower alkyl, hydroxy-lower alkyl, hydroxyl, lower alkoxy, aryloxy, acyl, cyano, carboxyl, a lower alkoxycarbonyl, carbamoyl, nitro or nitrogen-containing 5- or 6-membered heterocyclic group; A is an ethylene group which may optionally have at least one branch; R.sup.4 and R.sup.5, which may be the same or different, each is a lower alkyl group or R.sup.4 and R.sup.5, together with the adjacent nitrogen atom, represent a pyrrolidinyl, piperidino or a morpholino group provided that when ##STR2## is a piperidino or diethylamino group, at least one of R.sup.1, R.sup.2 and R.sup.3 is other than a hydrogen atom, or pharmaceutically acceptable salts thereof, methods of producing the same and pharmaceutical compositions containing the same are disclosed. Pharmacologically, the above compounds (I) have pulmonary surfactant secretion promoting activity.
REFERENCES:
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patent: 4492708 (1985-01-01), Spitzer
Davall et al., "Some N-substituted 2-oxobenzimidazolines" J. Chem. Soc., 1960, pp. 314-318.
Hara Hiromu
Maruyama Tatsuya
Mase Toshiyasu
Saito Munetoshi
Takeuchi Makoto
Gabilan Mary Susan H.
Lee Mary C.
Yamanouchi Pharmaceutical Co. Ltd.
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