| 摘要 |
An alkylenediamine derivative or a salt thereof expressed by the following formula 1; (see fig. I) ...formula 1 wherein W represents a group expressed by the following formula 2 or formula 3; (see fig. II) ...formula 2 (see fig. III) ...formula 3 wherein each of R2 and R2 represents hydrogen atom, a lower alkoxy group, an alkenyloxy group, or a halogen atom; each of R3 and R3' represents methyl group, prenyl group, or geranyl group and when one R3 and R3' is prenyl group or geranyl group, another is methyl group; X represents oxygen atom or sulfur atom; R10 represents a lower alkyl group; and R11 represents a halogen atom; and wherein each of R4,R5, and R6 represents hydrogen atom or a lower alkyl group; Y represents a group expressed by -CH2-, -O-, or -N(R7)-,while R7 represents a lower alkyl group, an aryl group, a carbamoyl lower alkyl group, anaralkyl group, or a heterocyclic group having 5 to 9 members; and n represents an integer of 1 to 6. The alkylenediamine derivative has an anti-ulcer effect or an antibacterial activity against Helicobacter pyroli to be available for prevention of cure of ulcers.
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