133068-39-0Relevant articles and documents
Novel benzothiazole derivatives
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, (2008/06/13)
Novel benzothiazole derivatives of the formula (I): STR1 wherein R1 is hydrogen atom, a lower alkyl group or a lower acyl group; X and Y are the same or different and are each hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, nitro group, amino group, cyano group, trifluoromethyl group, a group of the formula: --COOR2 (wherein R2 is hydrogen atom, a lower alkyl group, an alkali metal, an alkaline earth metal, or a cation of amine), or a group of the formula: --CONR3 R4 (wherein R3 and R4 are the same or different and are each hydrogen atom or a lower alkyl group) or a pharmaceutically acceptable acid addition salt thereof, which have excellent anti-allergic activity and are useful for the prophylaxis and treatment of various allergic diseases, and a pharmaceutical composition containing the compound as set forth above as an active ingredient.