Patent ID: 7285568

Claim:
A biaromatic compound having the structural formula (I): in which: R 1 is an alkyl radical having from 1 to 12 carbon atoms; R 2 : wherein R 8 is as defined below; R 3 is a hydrogen atom, a halogen atom, an alkyl radical having from 1 to 12 carbon atoms, a hydroxyl radical, an alkoxy radical having from 1 to 7 carbon atoms, an aralkoxy radical, an aryloxy radical, a polyether radical, a nitro radical, or an amino radical optionally substituted with one or more alkyl radicals having from 1 to 12 carbon atoms, an aryl radical, an aralkyl radical, a heteroaryl radical or a heterocyclic radical; R 4 is an alkyl radical having from 1 to 12 carbon atoms, an aryl radical, an aralkyl radical, a heteroaryl radical, a heterocyclic radical or a 9-fluorenylmethyl radical, a radical —(CH 2 ) a —(N—R 12 ) b —(CNR 15 ) c —R 6 , wherein R 6 , R 12 , R 15 , a, b and c are as defined below; R 6 is a hydrogen atom, an alkyl radical having from 1 to 12 carbon atoms, an aryl radical, an aralkyl radical, a heteroaryl radical or a heterocyclic radical; R 15 is a hydrogen atom, an alkyl radical having from 1 to 2 carbon atoms, an aryl radical, an aralkyl radical, a heteroaryl radical or a heterocyclic radical; R 8 is a radical O—(CH 2 ) v —R 9 , an aralkoxy radical, an aryloxy radical, an aryl radical, an aralkyl radical, a heteroaryl radical, a heterocyclic radical, or the radical: wherein R 9 , R′ and R″ are as defined below; R′ is a heteroaryl radical or a heterocyclic radical; R″ is a hydrogen atom, an alkyl radical having from 1 to 12 carbon atoms, an aryl radical, an aralkyl radical, optionally substituted with one or more halogen atoms, a heteroaryl radical, a heterocyclic radical or a radical (CH 2 ) v —R 9 , wherein R 9 and v are as defined below; R 9 is an aryl, aralkyl or heteroaryl radical, a heterocyclic radical, a radical NH—CO—R 10 , a radical NH—CO—O—R 10 or C—R 10 R 11 or a radical N—R 10 —R 11 , wherein R 10 and R 11 are as defined below; v has the values 1, 2 or 3; R 10 is a hydrogen atom, an alkyl radical having from 1 to 12 carbon atoms, an aryl radical, an aralkyl radical, a heteroaryl radical or a heterocyclic radical; R 11 is a hydrogen atom or an alkyl radical having from 1 to 3 carbon atoms; R 14 is a halogen atom; A is a radical having the following structure: —(CH 2 ) z —(N—R 12 ) y —(CO) x —(D) w or —(CH 2 ) z —(N—R 12 ) y —(CS) x —(D) w , wherein D, w, x, y, z and R 12 are as defined below; D is an oxygen or sulfur atom, a radical —NR 13 or a CH 2 radical; R 13 is as defined below; w, x, y and z, which may be identical or difference, have the values 0 or 1, with the proviso that the sum x+y+z+w is greater than 2, and when x=0, then y or w=0; R 12 and R 13 are each a hydrogen atom or an alkyl radical having from 1 to 12 carbon atoms, and the optical and geometrical isomers and salts and mixtures thereof.