Compositions comprising cyclopentane derivatives and their use

A pharmaceutical composition for skincare comprising, in a pharmaceutically acceptable medium, at least one entity chosen from compounds of formula (I) and the corresponding salts thereof:

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• wherein:
• —R1 is a radical chosen from —COOR′, —CONR′R″, —CH2OR′, —COR′, —CH2R′, —SO2OR′, —PO3R′R″ and —NHR′, wherein R′ and R,″ which may be identical or different, are chosen from a hydrogen atom and saturated and unsaturated, linear, branched and cyclic hydrocarbon radicals comprising from 1 to 18 carbon atoms, which are optionally substituted by from 1 to 5 identical or different entities chosen from —OR′″, —OCOR′″, —SR′″, —SCOR′″, NR′″R″″, —NHCOR′″, halogen atoms, —CN, —COOR′″ and —COR′″, Wherein R′″ and R″″, which may be identical or different, are chosen from a hydrogen atom, aryl radicals and saturated and unsaturated, linear and branched hydrocarbon radicals comprising from 1 to 4 carbon atoms;
• —R2 is a radical chosen from linear, branched and cyclic hydrocarbon radicals comprising at least one unsaturation and comprising from 2 to 18 carbon atoms, which are optionally substituted by from 1 to 5 identical or different entities chosen from —OR′″, —OCOR′″, —SR′″, —SCOR′″, NR′″R″″, —NHCOR′″, halogen atoms, —CN, —COOR′″ and —COR′″, wherein R′″ and R″″, which may be identical or different, are chosen from a hydrogen atom, aryl radicals and saturated and unsaturated, linear and branched hydrocarbon radicals comprising from 1 to 4 carbon atoms;
• wherein the pharmaceutical composition is effective for skincare.

A process for preparing a pharmaceutical composition for skincare comprising including in the pharmaceutical composition at least one entity chosen from compounds of formula (I) and the corresponding salts thereof:

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• wherein:
• —R1 is a radical chosen from —COOR′, —CONR′R″, —CH2OR′, —COR′, —CH2R′, —SO2OR′, —PO3R′R″ and —NHR′, wherein R′ and R,″ which may be identical or different, are chosen from a hydrogen atom and saturated and unsaturated, linear, branched and cyclic hydrocarbon radicals comprising from 1 to 18 carbon atoms, which are optionally substituted by from 1 to 5 identical or different entities chosen from —OR′″, —OCOR′″, —SR′″, —SCOR′″, NR′″R″″, —NHCOR′″, halogen atoms, —CN, —COOR′″ and —COR′″, wherein R′″ and R″″, which may be identical or different, are chosen from a hydrogen atom, aryl radicals and saturated and unsaturated, linear and branched hydrocarbon radicals comprising from 1 to 4 carbon atoms;
• —R2 is a radical chosen from linear, branched and cyclic hydrocarbon radicals comprising at least one unsaturation and comprising from 2 to 18 carbon atoms, which are optionally substituted by from 1 to 5 identical or different entities chosen from —OR′″, —OCOR′″, —SR′″, —SCOR′″, NR′″R″″, —NHCOR′″, halogen atoms, —CN, —COOR′″ and —COR′″, wherein R′″ and R″″, which may be identical or different, are chosen from a hydrogen atom, aryl radicals and saturated and unsaturated, linear and branched hydrocarbon radicals comprising from 1 to 4 carbon atoms.

A cosmetic composition for skincare comprising, in a cosmetically acceptable medium, at least one entity chosen from compounds of formula (I) and the corresponding salts thereof:

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• wherein:
• —R1 is a radical chosen from —COOR′, —CONR′R″, —CH2OR′, —COR′, —CH2R′, —SO2OR′, —PO3R′R″ and —NHR′, wherein R′ and R,″ which may be identical or different, are chosen from a hydrogen atom and saturated and unsaturated, linear, branched and cyclic hydrocarbon radicals comprising from 1 to 18 carbon atoms, which are optionally substituted by from 1 to 5 identical or different entities chosen from —OR′″, —OCOR′″, —SR′″, —SCOR′″, NR′″R″″, —NHCOR′″, halogen atoms, —CN, —COOR′″ and —COR′″, wherein R′″ and R″″, which may be identical or different, are chosen from a hydrogen atom, aryl radicals and saturated and unsaturated, linear and branched hydrocarbon radicals comprising from 1 to 4 carbon atoms;
• —R2 is a radical chosen from linear, branched and cyclic hydrocarbon radicals comprising at least one unsaturation and comprising from 2 to 18 carbon atoms, which are optionally substituted by from 1 to 5 identical or different entities chosen from —OR′″, —OCOR′″, —SR′″, —SCOR′″, NR′″R″″, —NHCOR′″, halogen atoms, —CN, —COOR′″ and —COR′″, wherein R′″ and R″″, which may be identical or different, are chosen from a hydrogen atom, aryl radicals and saturated and unsaturated, linear and branched hydrocarbon radicals comprising from 1 to 4 carbon atoms;
• wherein the cosmetic composition is effective for skincare.

A process for preparing a cosmetic composition for skincare comprising including in the cosmetic composition at least one entity chosen from compounds of formula (I) and the corresponding salts thereof:

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• wherein:
• —R1 is a radical chosen from —COOR′, —CONR′R″, —CH2OR′, —COR′, —CH2R′, —SO2OR′, —PO3R′R″ and —NHR′, wherein R′ and R,″ which may be identical or different, are chosen from a hydrogen atom and saturated and unsaturated, linear, branched and cyclic hydrocarbon radicals comprising from 1 to 18 carbon atoms, which are optionally substituted by from 1 to 5 identical or different entities chosen from —OR′″, —OCOR′″, —SR′″, —SCOR′″, NR′″R″″, —NHCOR′″, halogen atoms, —CN, —COOR′″ and —COR′″, wherein R′″ and R″″, which may be identical or different, are chosen from a hydrogen atom, aryl radicals and saturated and unsaturated, linear and branched hydrocarbon radicals comprising from 1 to 4 carbon atoms;
• —R2 is a radical chosen from linear, branched and cyclic hydrocarbon radicals comprising at least one unsaturation and comprising from 2 to 18 carbon atoms, which are optionally substituted by from 1 to 5 identical or different entities chosen from —OR′″, —OCOR′″, —SR′″, —SCOR′″, NR′″R″″, —NHCOR′″, halogen atoms, —CN, —COOR′″ and —COR′″, wherein R′″ and R″″, which may be identical or different, are chosen from a hydrogen atom, aryl radicals and saturated and unsaturated, linear and branched hydrocarbon radicals comprising from 1 to 4 carbon atoms.

A method of cosmetic treatment for achieving at least one effect chosen from promoting skin desquamation, stimulating epidermal renewal, combating the signs of skin ageing, enhancing facial complexion and smoothening the skin of a face, comprising applying to the skin a composition comprising, in a cosmetically acceptable medium, an effective amount for said cosmetic treatment of at least one entity chosen from compounds of formula (I) and the corresponding salts thereof:

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• wherein:
• —R1 is a radical chosen from —COOR′, —CONR′R″, —CH2OR′, —COR′, —CH2R′, —SO2OR′, —PO3R′R″ and —NHR′, wherein R′ and R,″ which may be identical or different, are chosen from a hydrogen atom and saturated and unsaturated, linear, branched and cyclic hydrocarbon radicals comprising from 1 to 18 carbon atoms, which are optionally substituted by from 1 to 5 identical or different entities chosen from —OR′″, —OCOR′″, —SR′″, —SCOR′″, NR′″R″″, —NHCOR′″, halogen atoms, —CN, —COOR′″ and —COR′″, wherein R′″ and R″″, which may be identical or different, are chosen from a hydrogen atom, aryl radicals and saturated and unsaturated, linear and branched hydrocarbon radicals comprising from 1 to 4 carbon atoms;
• —R2 is a radical chosen from linear, branched and cyclic hydrocarbon radicals comprising at least one unsaturation and comprising from 2 to 18 carbon atoms, which are optionally substituted by from 1 to 5 identical or different entities chosen from —OR′″, —OCOR′″, —SR′″, —SCOR′″, NR′″R″″, —NHCOR′″, halogen atoms, —CN, —COOR′″ and —COR′″, wherein R′″ and R″″, which may be identical or different, are chosen from a hydrogen atom, aryl radicals and saturated and unsaturated, linear and branched hydrocarbon radicals comprising from 1 to 4 carbon atoms.

A process for caring for skin comprising applying to skin an effective amount for said caring of at least one entity chosen from compounds of formula (I) and the corresponding salts thereof:

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• wherein:
• —R1 is a radical chosen from —COOR′, —CONR′R″, —CH2OR′, —COR′, —CH2R′, —SO2OR′, —PO3R′R″ and —NHR′, wherein R′ and R,″ which may be identical or different, are chosen from a hydrogen atom and saturated and unsaturated, linear, branched and cyclic hydrocarbon radicals comprising from 1 to 18 carbon atoms, which are optionally substituted by from 1 to 5 identical or different entities chosen from —OR′″, —OCOR′″, —SR′″, —SCOR′″, NR′″R″″, —NHCOR′″, halogen atoms, —CN, —COOR′″and —COR′″, wherein R′″ and R″″, which may be identical or different, are chosen from a hydrogen atom, aryl radicals and saturated and unsaturated, linear and branched hydrocarbon radicals comprising from 1 to 4 carbon atoms;
• —R2 is a radical chosen from linear, branched and cyclic hydrocarbon radicals comprising at least one unsaturation and comprising from 2 to 18 carbon atoms, which are optionally substituted by from 1 to 5 identical or different entities chosen from —OR′″, —OCOR′″, —SR′″, —SCOR′″, NR′″R″″, —NHCOR′″, halogen atoms, —CN, —COOR′″ and —COR′″, wherein R′″ and R″″, which may be identical or different, are chosen from a hydrogen atom, aryl radicals and saturated and unsaturated, linear and branched hydrocarbon radicals comprising from 1 to 4 carbon atoms.