4-vinyl-2-cyclopenten-1-one derivatives, the production thereof, and the use of same as an antibiotic agent

A method of treating a bacterial infection in a subject comprising administering to a subject in need thereof, an effective amount of a compound of the following general formula (I):

• wherein:
• R1 is a hydrogen atom or a C1 to C4 alkyl radical;
• R2 is a C1 to C4 hydroxyl or alkoxyl radical, and
• R3 and R4 are independently a hydrogen atom or a C1 to C4 alkyl radical;
• the enantiomers and mixtures of enantiomers thereof;
• and wherein the infection is a bacterial infection selected from among the group consisting of an Escherichia, Klebsiella, Enterobacter, Micrococcus, Bacillus, Streptococcus, Acinetobacter, and Stapylococcus infection.