Patent ID: 7582663

Claim:
A biaromatic compound having the structural formula (I): in which: R 1 is an alkyl radical having from 1 to 12 carbon atoms, or a radical selected from among those of formulae a)-c): b) —(CH 2 ) m —(CO) n —(X) p —(CH 2 ) q —R 5 or c) an α-amino acid N-protected with an amine-protecting group, wherein R 5 , X, m, n, p and q are as defined below; R 2 is a radical of formula(a) wherein R 7 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, 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, a 9-fluorenylmethyl radical, a radical —(CH 2 ) a —N—R 12 ) b —(CO) c —R 6 or 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 5 is a hydrogen atom, an alkyl radical having from 1 to 12 carbon atoms, an alkoxy radical having from 1 to 7 carbon atoms, an aralkoxy radical, an aryloxy radical, an aryl radical, an aralkyl radical, a heteroaryl radical, a heterocyclic radical or a group (CO) s (Z) t R 6 , wherein Z, R 6 , s and t are as defined below; a, b, c, m, n, p, q, s and t have the values 0, 1 or 2; X is an oxygen atom, a sulfur atom or NR 6 , wherein R 6 is as defined below; Z is an oxygen atom, a nitrogen atom or a sulfur atom; R 6 and R 7 , which may be identical or different, are each 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 12 carbon atoms, an aryl radical, an aralkyl radical, a heteroaryl radical or a heterocyclic radical; 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 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 atom, a sulfur atom, a radical —NR 13 or a CH 2 radical; wherein w, x, y, z and R 13 are as defined below; w, x, y and z, which may be identical or different, 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 isomers and salts and mixtures thereof.