Abstract: The invention relates to a compound of general formula (I): where X=0 or 1, Z=O, S or CH2, R1 and R2 independently=OH or OY, where Y=a protecting group, OR3, where R3=a monosaccharide or disaccharide group, A1-CH2—N+(CH3)3, X?, where X=halogen, A1=an amide (NHC(O)) or ester (OC(C)) bond, OPO(OM)2, where M=an alkyli or alkyli earth metal, OP(O)O?—O(CH2)2—N+(CH3)3, A2-(PEGX1-A3)n-R4, where n=0 or 1, PEGX1=a polyethyleneglycol of molecular weight X1, where X1 being less than or equal to 5,000 daltons, A2 and A3 independently=a ether (O), ester (OC(O)), amide (NHC(O)), urea (NHC(O)NH), thiourea (NHC(S)NH), or thioether (S) bond R4=a directing agent.

Abstract: The present invention has for an object a cationic lipophilic compound of the following general formula (I): wherein: a) R1 and R?1 each represent, independently from one another, an alkyl chain, an alkenyl chain or a polyalkenyl chain with from 10 to 24 carbon atoms, with the polyalkenyl chain having from 2 to 4 double links; b) R2 is a hydrogen atom or an alkyl chain having from 1 to 4 carbon atoms; and R3 is a group with the following formula (IIa) —(CH2)n— or following formula (IIb) —C(?NH)—NH—(CH2)n— wherein: n is an integer equal to 0, 1, 2, 3 or 4; and d) A+ is an organic cation; e) X? is an anion.

Abstract: The invention relates to a compound of general formula (I): where =0 or 1, Z=O, S or CH1-2, R1 and R2 independently=OH or OY, where Y=a protecting group, OR3, where R3=a monosaccharide or disaccharide group, A1-CH2—N+(CH3)3, X?, where X=halogen, A1=an amide (NHC(O)) or ester (OC(O)) bond, OPO(OM)2, where M=an alkali or alkali earth metal, OP(O)O?—O(CH2)2—N+(CH3)3, A2-(PEGX1-A3)n-R4, where n=0 or 1, PEGx1=a polyethyleneglycol of molecular weight X1, where X1, ??5,000 daltons, A2 and A3 independently=a ether (O), ester (OC(O)), amide (NHC((O)), urea (NHC(O)NH), thiourea (NHC(S)NH), or thioether (S) bond and R4=a directing agent.

Abstract: The present invention has for an object a cationic lipophilic compound of the following general formula (I): wherein: a) R1 and R?1 each represent, independently from one another, an alkyl chain, an alkenyl chain or a polyalkenyl chain with from 10 to 24 carbon atoms, with the polyalkenyl chain having from 2 to 4 double links; b) R2 is a hydrogen atom or an alkyl chain having from 1 to 4 carbon atoms; and R3 is a group with the following formula (IIa) —(CH2)n— or following formula (IIb) —C(?NH)—NH—(CH2)n— wherein: n is an integer equal to 0, 1, 2, 3 or 4; and d) A+ is an organic cation; e) X? is an anion.