Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Parasitic organism or component thereof or substance...
Patent
1981-05-06
1983-09-27
Daus, Donald G.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Parasitic organism or component thereof or substance...
548253, A61K 3141, C07D25704
Patent
active
044069081
ABSTRACT:
Tetrazolylcoumarin derivatives of the general formula: ##STR1## wherein R is hydrogen atom, an alkyl group, an alkenyl group, an alkoxyalkyl group or phenyl group, n is an integer of 2 to 4, and the R--O--(CH.sub.2).sub.n --O-- group is substituted at any of the 5, 6, 7 and 8 positions of the coumarin ring, and the salts thereof. The compounds are useful as antiallergic agents for preventing and treating allergic diseases.
Itikawa Kiyonoshin
Matsuda Tetsuo
Nakano Jun
Suzuki Yuji
Terashima Yukio
Daus Donald G.
Kakenyaku Kako Co., Ltd.
Springer D. B.
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