摘要:
The use of substituted .alpha.-methylstyrene derivatives of the formula I, ##STR1## where the variables have the following meanings: R.sup.1 C.sub.4 -C.sub.10 -alkoxy, C.sub.1 -C.sub.12 -alkylamino, C.sub.1 -C.sub.12 -dialkylamino, substituents which confer solubility in water and which are selected from the group consisting of carboxylate, sulfonate or ammonium residues;R.sup.2 hydrogen, C.sub.2 -C.sub.10 -alkyl, C.sub.1 -C.sub.12 -alkoxy;R.sup.3 COOR.sup.5, COR.sup.5, CONR.sup.5 R.sup.6, CN;R.sup.4 COOR.sup.5, COR.sup.5, CONR.sup.5 R.sup.6, CN; where the substituents R.sup.3 and R.sup.4 are identical in each case;R.sup.5 andR.sup.6 independently of one another hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.10 -alkenyl, C.sub.3 -C.sub.10 -cycloalkyl, C.sub.3 -C.sub.10 -cycloalkenyl, aryl, hetaryl, unsubstituted or substituted;as photostable UV filters in cosmetic and pharmaceutical preparations to protect the human skin or human hair from the sun's rays, alone or together with UV-absorbing compounds known per se for cosmetic and pharmaceutical preparations.
摘要:
The invention relates to the use of substituted, dimeric .alpha.-alkylstyrene derivatives of the formula I ##STR1## in which the substituents are as defined in the description, as photostable UV filters in cosmetic and pharmaceutical preparations for protecting human skin or human hair against solar rays, alone or together with compounds which absorb in the UV region and which are known per se for cosmetic and pharmaceutical preparations.
摘要:
A method of using compounds of formula I ##STR1## in which the C.dbd.C double bond is present in E and/or Z configuration and the variables have the following meanings:R.sup.1 denotes COOR.sup.5, COR.sup.5, CONR.sup.5 R.sup.6, CN, O.dbd.S(--R.sup.5).dbd.O, O.dbd.S(--OR.sup.5).dbd.O, R.sup.7 O--P(--OR.sup.8).dbd.O;R.sup.2 denotes COOR.sup.6, COR.sup.6, CONR.sup.5 R.sup.6, CN, O.dbd.S(--R.sup.6).dbd.O, O.dbd.S(--OR.sup.6).dbd.O, R.sup.7 O--P(--OR.sup.8).dbd.O;R.sup.3 denotes hydrogen, an optionally substituted aliphatic, cycloaliphatic, araliphatic or aromatic radical having in each case up to 18 carbon atoms;R.sup.4 denotes an optionally substituted aromatic or heteroaromatic radical containing from 5 to 12 ring atoms;R.sup.5 toR.sup.8 independently denote hydrogen, an open-chain or branched-chain aliphatic, araliphatic, cycloaliphatic or optionally substituted aromatic radical containing in each case up to 18 carbon atoms,where the variables R.sup.3 to R.sup.8 may also form, together with the carbon atoms to which they are attached, a 5-membered or 6-membered ring, which may be anellated if desired,as UV filters, particularly UV-A filters, in cosmetic and pharmaceutical formulations for the protection of the human skin or human hair from solar radiation, alone or together with compounds known per se in cosmetic and pharmaceutical formulations and capable of absorbing radiation in the UV range.
摘要:
The present invention relates to cosmetic compositions comprising a combination of sunscreen filters of the formula ##STR1## with other sunscreen filters.
摘要:
A cosmetic preparation which comprises a sunscreen agent for protecting the human epidermis against UV light in the range from 280 to 400 nm, which comprises, in a cosmetically suitable carrier, alone or together with compounds which absorb in the UV region and are known for cosmetic preparations, as photostable UV-A filters, effective amounts of compounds of the formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are hydrogen or aliphatic or cycloaliphatic radicals each having up to 18 carbon atoms, it being possible for any two of the radicals R.sup.1, R.sup.2 and R.sup.3 together to form a 5- or 6-membered ring, and R.sup.4 and R.sup.5 are an unsubstituted or substituted aromatic or heteroaromatic radical having 5 to 12 ring atoms, and R.sup.5 can additionally be hydrogen.
摘要:
Cosmetic or pharmaceutical preparations for protecting human skin or human hair from solar rays which containa) from 0.1 to 10% by weight of one or more 1,3,5-triazine derivatives of the formula I, ##STR1## in which the substituents independently of one another have the following meanings:R.sup.1 to R.sup.3are C.sub.1 -C.sub.20 -alkyl, aryl, heteroaryl, optionally substituted;X is O, NR.sup.4 ;R.sup.4 is hydrogen, C.sub.1 -C.sub.20 -alkyl, aryl, heteroaryl, optionally substituted, andb) from 0.1 to 15% by weight of zinc oxide.
摘要:
A cosmetic preparation which comprises a sunscreen agent for protecting the human epidermis against UV light in the range from 280 to 400 nm, which comprises, in a cosmetically suitable carrier, alone or together with compounds which absorb in the UV region and are known for cosmetic preparations, as photostable UV-A filters, effective amounts of compounds of the formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are hydrogen or aliphatic or cycloaliphatic radicals each having up to 18 carbon atoms, it being possible for any two of the radicals R.sup.1, R.sup.2 and R.sup.3 together to form a 5- or 6-membered ring, and R.sup.4 and R.sup.5 are an unsubstituted or substituted aromatic or heteroaromatic radical having 5 to 12 ring atoms, and R.sup.5 can additionally be hydrogen.
摘要:
Use of 4,4-diarylbutadienes of the formula I, ##STR1## where the variables have the meanings explained in the description, as water-soluble photostable UV filters in cosmetic and pharmaceutical preparations for protecting the human skin or human hair from the sun's rays, alone or together with compounds which absorb in the UV region and are known per se for cosmetic and pharmaceutical preparations.
摘要:
A method of using compounds of formula I ##STR1## in which the C.dbd.C double bond is present in E and/or Z configuration and the variables R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the meanings defined in the specification disclosure, as UV filters, particularly UV-A filters, in cosmetic and pharmaceutical formulations for the protection of the human skin or human hair from solar radiation, alone or together with compounds known per se in cosmetic and pharmaceutical formulations and capable of absorbing radiation in the UV range.
摘要:
A sunscreen-containing cosmetic formulation to protect the human epidermis from UV light in the range from 280 to 400 nm, which formulation includes a cosmetically suitable carrier, together with compounds which absorb in the UV-B region and as photostable UV-A filters effective amounts of compounds of the formula I as defined in the specification.