Lubricating composition comprising an anti-knock compound

A method for reducing knock in a vehicle engine, the method comprising:

• a) adding at least one base oil to an additive concentrate-type composition in order to obtain a lubricant composition;
• b) bringing a mechanical part of the vehicle engine into contact with the lubricant composition, the additive concentrate-type composition comprising:
• at least one compound of formula (I):
• wherein:
• X—Y represents:
• R1 represents a hydrogen atom, a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms, an —OR17 group, an —NR18R19 group;
• R2 represents a hydrogen atom, a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms, an —OR20 group, an —NR21 R22 group;
• R3 represents a hydrogen atom, a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms, an —OR23 group, an —NR24R25 group;
• R4 represents a hydrogen atom, a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms, an —OR26 group, an —NR27R28 group;
• R5 represents a hydrogen atom, a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms, an —OR29 group, an —NR30R31 group;
• R6 represents a hydrogen atom, a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms, an —OR32 group, an —NR33R34 group;
• R7 represents a hydrogen atom, a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms, an —OR35 group, an —NR36R37 group;
• R8 represents a hydrogen atom, a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms, an —OR38 group, an —NR39R40 group;
• R9 represents a hydrogen atom, a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms, an —OR41 group, an —NR42R43 group;
• R10 represents a hydrogen atom, a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms, an —OR44 group, an —NR45R46 group;
• R11 represents a hydrogen atom, a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms, an —OR47 group, an —NR48R49 group;
• R12 represents a hydrogen atom, a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms, an —OR50 group, an —NR51 R52 group;
• R13 represents a hydrogen atom, a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms, an —OR53 group, an —NR54R55 group;
• R14 represents a hydrogen atom, a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms, an —OR56 group, an —NR57R58 group;
• R15 represents a hydrogen atom, a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms, an —OR59 group, an —NR6OR61 group;
• R16 represents a hydrogen atom, a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms, an —OR62 group, an —NR63R64 group;
• R17, R20, R23, R26, R29, R32, R35, R38, R41, R44, R47, R50, R53, R56, R59 and R62, identical or different, represent independently a linear or branched, saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 10 carbon atoms;
• R18, R19, R21, R22, R24, R25, R27, R28, R30, R31, R33, R34, R36, R37, R39, R40, R42, R43, R45, R46, R48, R49, R51, R52, R54, R55, R57, R58, R60, R61, R63 and R64, identical or different, represent independently a hydrogen atom or a saturated or unsaturated, substituted or unsubstituted alkyl group comprising from 1 to 3 carbon atoms;
• and
• at least one additive selected from detergents, friction modifiers, anti-wear additives, dispersants, extreme-pressure additives, antioxidants, viscosity index improver polymers, pour point depressants, anti-foaming agents, thickeners and mixtures thereof.