Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Parasitic organism or component thereof or substance...
Patent
1980-11-05
1982-10-19
Schwartz, Richard A.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Parasitic organism or component thereof or substance...
548336, 548337, 548342, A61K 31415, C07D23368
Patent
active
043550401
ABSTRACT:
Novel imidazole-5-acetic acid derivatives of the formula: ##STR1## wherein R.sup.1 is lower alkyl, cycloalkyl or, phenyl which may be substituted with one to three of halogen, nitro, amino, mono(lower alkyl)amino, di(lower alkyl)amino, lower alkyl, lower alkoxyl, benzyloxyl or/and hydroxyl; X.sup.1, X.sup.2 and X.sup.3 are each hydrogen, halogen, nitro, amino, lower alkyl, lower alkoxyl, benzyloxyl or hydroxyl; Y is halogen and R.sup.2 is hydrogen or lower alkyl; provided that X.sup.1 is halogen, lower alkyl, lower alkoxyl, benzyloxyl or hydroxyl when R.sup.1 is unsubstituted or substituted phenyl only with one halogen, di(lower alkyl)amino, lower alkyl or lower alkoxyl, and its salts have hypotensive activity.
REFERENCES:
patent: 4207324 (1980-06-01), Matsumura et al.
Karppanen, Agents and Actions 9:84-85 (1979).
Maxwell, M. (Editor), Advances in Nephrology, 8, 297-319 (1979).
Furukawa Yoshiyasu
Kishimoto Shoji
Nishikawa Kohei
Schwartz Richard A.
Takeda Chemical Industries Ltd.
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