Thenyl hydantoins and anti-asthmatic compositions thereof

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Parasitic organism or component thereof or substance...

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548309, A61K 31415, C07D40906

Patent

active

042935636

ABSTRACT:
Novel hydantoin compounds are described of the formula (I): ##STR1## wherein Ar is phenyl optionally substituted by up to three radicals selected from the group comprising C.sub.1-6 alkoxy, halogen, 1,3-dioxol-2-yl, hydroxy C.sub.1-4 alkoxy C.sub.1-4 alkyl, phenyl, hydroxyl, nitrile, C.sub.1-4 haloalkyl, C.sub.1-4 alkyl, C.sub.2-4 alkenyloxy, C.sub.1-4 alkoxycarbonyl or phenoxy optionally substituted by C.sub.1-4 haloalkyl, C.sub.1-4 alkoxy or halogen;

REFERENCES:
patent: 3365296 (1968-01-01), Cox et al.
patent: 4185153 (1980-01-01), Ohashi et al.
Saari, W. et al., J. Med. Chem., 10, 1008-1014(1967).
Chemical Abstracts, 83: 58572t(1975) [Belcher, J., et al. J. Chem. Eng. Data 1975, 20(2), 206].

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