Title:
NOVEL DERIVATIVES*THEIR MANUFACTURE AND MEDICAL COMPOSITION CONTAINING THEM
Document Type and Number:
Japanese Patent JPS5476597
Kind Code:
A
Abstract:
The invention provides novel compounds of formula (I). (I) and pharmaceutically acceptable salts thereof wherein R1, R2, R3 and R4 which may be the same or different, represent hydrogen, halogen, lower alkyl, and lower alkoxy, or any adjacent two of R1 to R4 taken together represent an alkylene group containing from 3 to 5 carbon atoms or a 1,4-buta-1,3-dienylene group. The compounds are useful as anti-allergic agents.
Inventors:
DERETSUKU RICHIYAADO BATSUKURU
HARII SUMISU
HARII SUMISU
Application Number:
JP13095078A
Publication Date:
June 19, 1979
Filing Date:
October 24, 1978
Export Citation:
Assignee:
BEECHAM GROUP LTD
International Classes:
A61K31/435; A61P37/08; C07D209/04; C07D249/06; C07D471/04; (IPC1-7): A61K31/435; C07D471/04
Previous Patent: 分子の選択的励起方法およびこれを用いた同位体分離方法、同位体分析方...
Next Patent: PRODUCTION OF RIBOFLAVIN-5'-MONOPHOSPHATE
Next Patent: PRODUCTION OF RIBOFLAVIN-5'-MONOPHOSPHATE