Biaromatic compounds which activate PPARγ type receptors and cosmetic/pharmaceutical compositions comprised thereof

1. A biaromatic compound having the structural formula (I):

in which:

R is a hydrogen atom;

R 1 is a

R 2 is a

wherein R 9 is as defined below;

R 3 is a hydrogen atom;

R 4 is an alkyl radical having from 1 to 12 carbon atoms;

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 aryl radical, an aralkyl radical, a heteroaryl radical, a heterocyclic radical or a group (CO) s (Z) t R 7 , wherein Z, R 7 , s and t are as defined below;

s and t have the values 0, 1 or 2;

Z is an oxygen, nitrogen or sulfur atom;

R 7 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 9 is a radical O—(CH 2 ) v —R 10 , a hydroxyl radical, an alkoxy radical having from 1 to 7 carbon atoms, an aryl radical, an aralkyl radical, a heteroaryl radical, a heterocyclic radical, or the radical:

wherein R 10 , R′ and R″ are as defined below;

R′ 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 or a hydroxyl 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 10 , wherein R 10 and v are as defined below;

R 10 is an aryl, aralkyl or heteroaryl radical, a heterocyclic radical, the radical NH—CO—R 11 , the radical NH—CO—O—R 11 , the radical N—R 11 R 12 or the radical CH—R 11 R 12 ; v has the values 1, 2 or 3;

R 11 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 12 is a hydrogen atom or an alkyl radical having from 1 to 3 carbon atoms;

A is a radical having the following structure:

—(CH 2 ) z —(N—R 13 ) y —(CO) x -(D) w —

wherein D, w, x, y, z and R 13 are as defined below;

D is an oxygen or sulfur atom, a radical —NR 14 or a CH 2 radical;

R 14 is as defined below;

x, y and z, which may be identical or different, have the values 0 or 1;

w has a value from 0 to 6 with the proviso that w is equal to 0 or 1 when D is oxygen, and

R 13 and R 14 are each a hydrogen atom or an alkyl radical having from 1 to 12 carbon atoms;

R 15 is a hydrogen atom; but other than the compounds of formula (II) below:

in which:

R3=OMe and R′3=R″3=H;

R3=OMe, R′3=OMe and R″3=H; and

R3=H and R′3=R″3=OMe;

also other than the compounds of formula (III) below:

in which:

z=1 and x=0; and

z=0 and x=1;

and also other than the compounds of formula (IV) below:

in which:

p=1, X is an oxygen atom, R5 is a benzyl radical and R4 is a 2-benzimidazole or 4-pyridine radical;

p=1, X is an oxygen atom, R5 is an ethyl radical and R4 is a 2-pyridine, 3-pyridine, 4-pyridine or methyl radical;

p=1, X is an oxygen atom, R4 is a propyl radical and R5 is an ethyl, CH 2 -isopropyl, CH 2 -tert-butyl, cyclopentyl, 4-methoxyphenyl or benzyl radical;

p=1, X is an NH radical, R4 is a propyl radical and R5 is a hydrogen atom or a benzyl radical;

p=1, X is an NH radical, and R4 and R5 are each a cyclohexyl radical; and

p=0, R4 is an ethyl radical and R5 is a 4-methoxyphenyl radical.

2. An alkali metal or alkaline-earth metal, zinc or organic amine salt of the biaromatic compound as defined by claim 1 .

3. The biaromatic compound as defined by claim 1 , bearing at least one substituent selected from the group consisting of methyl, ethyl and propyl radicals.

4. The biaromatic compound as defined by claim 1 , bearing at least one substituent selected from the group consisting of isopropyl, butyl, tert-butyl, hexyl, heptyl, octyl, decyl and cyclohexyl radicals.

5. The biaromatic compound as defined by claim 1 , bearing at least one substituent selected from the group consisting of methoxymethoxy, ethoxymethoxy and methoxyethoxymethoxy radicals.

6. The biaromatic compound as defined by claim 1 , bearing at least one substituent selected from the group consisting of fluorine, chlorine and bromine atoms.

7. The biaromatic compound as defined by claim 1 , bearing at least one substituent selected from the group consisting of methoxy, ethoxy, isopropyloxy, tert-butoxy, hexyloxy, benzyloxy and phenoxy radicals, which may optionally be substituted with an alkyl radical having from 1 to 12 carbon atoms.

8. The biaromatic compound as defined by claim 1 , bearing at least one substituent selected from the group consisting of phenyl, biphenyl, cinnamyl and naphthyl radicals, which may be mono- or disubstituted with a halogen atom, a CF 3 radical, an alkyl radical having from 1 to 12 carbon atoms, an alkoxy radical having from 1 to 7 carbon atoms, an aralkoxy radical or an aryloxy radical, a nitro function, a polyether radical, an aryl radical, a benzoyl radical, an alkyl ester group, a carboxylic acid, a hydroxyl radical optionally protected with an acetyl or benzoyl group or an amino function optionally protected with an acetyl or benzoyl group or optionally substituted with at least one alkyl radical having from 1 to 12 carbon atoms.

9. The biaromatic compound as defined by claim 1 , bearing at least one substituent selected from the group consisting of benzyl, phenethyl and 2-naphthylmethyl radicals, which may be mono- or disubstituted with a halogen atom, a CF 3 radical, an alkyl radical having from 1 to 12 carbon atoms, an alkoxy radical having from 1 to 7 carbon atoms, an aralkoxy radical or an aryloxy radical, a nitro function, a polyether radical, an aryl radical, a benzoyl radical, an alkyl ester group, a carboxylic acid, a hydroxyl radical optionally protected with an acetyl or benzoyl group or an amino function optionally protected with an acetyl or benzoyl group or optionally substituted with at least one alkyl radical having from 1 to 12 carbon atoms.

10. The biaromatic compound as defined by claim 1 , bearing at least one substituent selected from the group consisting of pyridyl, furyl, thienyl, isoxazolyl, oxadiazolyl, oxazolyl, benzimidazolyl, indolyl and benzofuran radicals, optionally substituted with at least one halogen, an alkyl radical having from 1 to 12 carbon atoms, an alkoxy radical having from 1 to 7 carbon atoms, an aralkoxy radical or an aryloxy radical, an aryl radical, a nitro function, a polyether radical, an aryl radical, a benzoyl radical, an alkyl ester group, a carboxylic acid, a hydroxyl optionally protected with an acetyl or benzoyl group or an amino function optionally protected with an acetyl or benzoyl group or optionally substituted with at least one alkyl radical having from 1 to 12 carbon atoms.

11. The biaromatic compound as defined by claim 1 , bearing at least one substituent selected from the group consisting of morpholino, piperidino, piperazino, 2-oxo-1-piperidyl and 2-oxo-1-pyrrolidinyl radicals, optionally substituted with at least one alkyl radical having from 1 to 12 carbon atoms, an alkoxy radical having from 1 to 7 carbon atoms, an aralkoxy radical or an aryloxy radical, an aryl radical, a nitro function, a polyether radical, an aryl radical, a benzoyl radical, an alkyl ester group, a carboxylic acid, a hydroxyl optionally protected with an acetyl or benzoyl group or an amino function optionally protected with an acetyl or benzoyl group or optionally substituted with at least one alkyl radical having from 1 to 12 carbon atoms.

12. The biaromatic compound as defined by claim 1 , having at least one of the following definitions:

R 5 is a benzoyl radical, an alkyl ester radical or the group (CO) s (Z) t R 7 wherein s=1 and t=0, R 7 is an aryl radical;

A is a linking radical of structure —CH 2 —N(R 13 )—CO—.

13. The biaromatic compound as defined by claim 1 , having at least one of the following characteristics:

R 5 is the group (CO) s (Z) t R 7 wherein s=1 and t=0, R 7 is an aryl radical;

R 9 is a hydroxyl radical;

A is a linking radical of structure —CH 2 —N(R 13 )—CO—.

14. The biaromatic compound as defined by claim 1 , selected from the group consisting of:

(a) ethyl (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionate;

(b) (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionic acid;

(c) (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]-N-pentylpropionamide;

(d) (S)-1-{4′-[2-(2-benzoylphenylamino)-3-(4-methylpiperid-1-yl)-3-oxopropyl]biphenyl-3-yl}-3-heptyl-1-methylurea;

(e) (S)-N-(2-acetylaminoethyl)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionamide;

(f) (S)-2-(2-benzoylphenylamino)-N-benzyl-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionamide;

(g) (S)-1-{2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionyl}piperidine-4-carboxylic acid ethyl ester;

(h) (S)-2-(2-benzoylphenylamino)-N,N-dibenzyl-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionamide;

(i) (S)-1-{4′-[2-(2-benzoylphenylamino)-3-morpholin-4-yl-3-oxopropyl]biphenyl-3-yl}-3-heptyl-1-methylurea;

(j) (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]-N-(3-methylbutyl)propionamide;

(k) (S)-1-{4′-[2-(2-benzoylphenylamino)-3-(4-methylpiperazin-1-yl)-3-oxopropyl]biphenyl-3-yl}-3-heptyl-1-methylurea;

(l) (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]-N-hexylpropionamide;

(m) (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]-N-pyridin-2-ylmethylpropionamide;

(n) (S)-1-{4′-[2-(2-benzoylphenylamino)-3-(2,6-dimethylmorpholin-4-yl)-3-oxopropyl]biphenyl-3-yl}-3-heptyl-1-methylurea;

(o) (S)-2-(2-benzoylphenylamino)-N-benzyl-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]-N-methylpropionamide;

(p) (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]-N-phenethylpropionamide;

(q) (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]-N-[3-(2-oxo-1-pyrrolidinyl)propyl]propionamide;

(r) (S)-2-(2-benzoylphenylamino)-N-(2,5-difluorobenzyl)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionamide;

(s) tert-butyl (S)4-{2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionyl}piperazine-1-carboxylate;

(t) (S)-2-(2-benzoylphenylamino)-N-butyl-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionamide;

(u) (S)-2-(2-benzoylphenylamino)-N-(2-dimethylaminoethyl)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionamide;

(v) (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]-N-methyl-N-phenethylpropionamide;

(w) butyl (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionate;

(x) hexyl (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionate;

(y) benzyl (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionate;

(z) phenethyl (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionate;

(aa) 2-ethylhexyl (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionate;

(ab) 2-morpholin-4-ylethyl (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionate;

(ac) 3-methoxybenzyl (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionate;

(ad) 2-naphthylmethyl (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionate;

(ae) 2-(5-methyl-2-phenyloxazol-4-yl)ethyl (S)-2-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]propionate;

(af) methyl (S)-4-{1-carboxy-2-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]ethylamino}methylbenzoate

(ag) (S)-2-(2-benzoylphenylamino)-3-[3′-(methyloctanoylamino)biphenyl-4-yl]propionic acid;

(ah) (S)-2-(2-benzoylphenylamino)-3-{3′-[(methyloctanoylamino)methyl]biphenyl-4-yl}propionic acid;

(ai) (R)-2-(2-benzoylphenylamino)-3-{3′-[(methyloctanoylamino)methyl]biphenyl-4-yl}propionic acid;

(aj) 2-{1-carboxy-2-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]ethylamino}benzoic acid;

(ak) methyl 2-{1-carboxy-2-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]ethylamino}benzoate

(al) 3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]-2-(2-methoxyphenylamino)propionic acid;

(am) 2-(S)-(2-benzoylphenylamino)-3-[3′-(1-methyl-3-pentylureido)biphenyl-4-yl]propionic acid;

(an) 2-(S)-(2-benzoylphenylamino)-3-[3′-(3-heptyl-1-methylureido)biphenyl-4-yl]-N-hydroxypropionamide.

15. A pharmaceutical or dermatological composition, comprising at least one biaromatic compound as defined by claim 1 , formulated in a physiologically acceptable medium.