- Alkylenediamine derivative, anti-ulcer drug, and antibacterial drug
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An alkylenediamine derivative or a salt thereof expressed by the following formula 1: STR1 wherein each of R1 and R2 represents a lower alkyl group, and W represents a group expressed by any of the following formulas 2 and 3; STR2 wh
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- Pyrrolidine derivative, anti-ulcer drug, and antibacterial drug
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A pyrrolidine derivative or a salt thereof expressed by the following formula 1: STR1 wherein R1 is an alkenyl group; R2 is a lower alkoxy group or a halogen atom; R3 is a lower alkyl group; X is a group expressed by --O-- or --S--; Y is carbon or nitrogen atom; m is an integer of 1 to 3; and n is an integer of 0 to 2. The pyrrolidine derivative has an anti-ulcer effect or an antibacterial activity against Helicobacter pyroli, and has also high safety to be available for prevention or cure of ulcers.
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- Alkylenediamine derivative anti-ulcer drug and antibacterial drug
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The invention provides a compound which has anti-ulcer effect and antibacterial activity against Helicobacter pyroli. This compound is an alkylenediamine derivative or salt which has a general formula of (1): STR1 wherein each of R4, R5/s
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- Pyrazolidine derivative radical scavenger brain-infarction depressant and brain-edema depressant
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A pyrazolidine derivative or a salt thereof in accordance with the present invention is expressed by the following formula 1: STR1 wherein A represents a group expressed by --CH2 --, --CO--, --CS--, --CH2 CO--, or --CH=CH--CO--; B represents a group expressed by --O-- or --NH--; n is an integer of 1 or 2; R represents an alkenyl group; and R1 and R2 represent a lower alkyl or benzyl group. The pyrazolidine derivative above mentioned, as a radical scavenger, has antioxidant effect and lipid peroxidation inhibitory activity so as to be available for inhibiting brain infarction or brain edema.
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