Patent ID: 7589219

Claim:
2,5-bis-diamine-[1,4]benzoquinonie derivative having a general formula (I): wherein R 1 represents a substituent chosen from the group consisting of: a hydrogen, a saturated or unsaturated, linear or ramified alkylic group of from one to five carbon atoms, and a substituent having an inductive electron withdrawing effect; R 2 and R 3 each independently of the other, represent a hydrogen or a saturated or unsaturated, linear or ramified alkylic group presenting from one to five carbon atoms; R 4 and R 5 , each independently of the other, represent a substituent chosen from the group consisting of: hydrogen, a saturated or unsaturated, linear or ramified alkylic group presenting from one to five carbon atoms, OMe, and SMe; X represents a radical —HC═CH—; T represents a saturated linear alkyl presenting from one to four carbon atoms; Z represents a saturated or unsaturated, linear or ramified alkyl presenting from two to thirteen carbon atoms.