Document Type and Number:
Japanese Patent JPS50160254
Kind Code:
A
Abstract:
Cpds. of formula (I) and their pharmaceutically acceptable salts, and inters. of formula (II) are new: (where R1-4 are each H, halogen, alkyl or alkoxy; or any two of R1-4 together with the C atoms to which they are bonded may form an opt. substd. carbocycle; X is a direct bond or O). (I) are used for inhibiting the effects of certain antigen-antibody reactions, e.g., in the prophylaxis and treatment of asthma, hay-fever and in treatment of rhinitis. (I) may be administered orally, by injection or by inhalation, doses being 0.1-100 mg./kg./day.
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Application Number:
JP5527575A
Publication Date:
December 25, 1975
Filing Date:
May 06, 1975
Export Citation:
International Classes:
C07D311/56; A61K31/35; A61K31/37; C07C45/46; C07C46/00; C07C46/02; C07C49/67; C07C50/24; C07C50/32; C07C51/15; C07C65/05; C07C67/00; C07C253/00; C07C255/47; C07C255/56; C07D311/42; C07D311/46; C07D311/92; (IPC1-7): A61K31/275; A61K31/37; C07C121/48; C07D311/56; C07D311/92