Patent KR-20080030022-A (KR)
Title: Naphthalene amidine imides
Inventor: LANGHALS HEINZ
IPC: C07D471/06
Filed: 2006-07-21
Abstract: Disclosed are naphthalinamidinimide of formula (I), wherein R1 R2, R3, R4, R5 and R6 independently from each other are hydrogen; or C1-C 37alkyl; wherein-one to 10 of the CH2 units of C 1-C37alkyl independently from each may be substituted by carbonyl groups; oxygen atoms; sulphur atoms; selenium atoms; tellurium atoms; cis-or trans-CH=CH-groups; acetylenic C=C-groups; 1,2-, 1,3-or 1,4-substituted phenyl radicals; 2,3-, 2,4-, 2,5-, 2,6-, 3,4-or 3,5-disubstituted pyridine radicals; 2,3-, 2,4-, 2,5-or 3,4-disubstituted thiophene radicals; 1,2-, 1,3-, 1,4-, 1,5-, 1,6-, 1,7-, 1,8-, 2,3-, 2,6-or 2,7-disubstituted 1,2-, 1,3-, 1,4-, 1,5-, 1,6-, 1,7-, 1,8-, 1,9-, 1,10-, 2,3-, 2,6-, 2,7-, 2,9-, 2,10-or 9,10-disubstituted anthracene radicals; wherein one or 2 CH-groups of the CH=CH-groups, the naphthalene radicals and the anthracene radicals may be substituted by nitrogen atoms;-up to 12 single hydrogen atoms of the CH2-groups independently from each other may be substituted at the same carbon atoms by fluorine; chlorine; bromine; or iodine; the cyano group; a linear alkyl chain with up to 18 carbon atoms; cis-or frans-CH=CH-groups; acetylenic C=C-groups; 1,2-, 1,3-or 1,4-substituted phenyl radicals; 2,3-, 2,4-, 2,5-, 2,6-, 3,4-or 3,5-disubstituted pyridine radicals; 2,3-, 2,4-, 2,5-or 3,4-disubstituted thiophene radicals; 1,2-, 1,3-, 1,4-, 1,5-, 1,6-, 1,7-, 1,8-, 2,3-, 2,6-or 2,7-disubstituted naphthalene radicals; 1,2-, 1,3-, 1,4-, 1, 5-, 1,6-, 1,7-, 1,8-, 1,9-, 1,10-, 2,3-, 2,6-, 2,7-, 2,9-, 2,10-or 9,10-disubstituted anthracene radicals; wherein up to 6 CH2-units in the alkyl chain independently from each other may be substituted by carbonyl groups, oxygen atoms, sulphur atoms, selenium atoms, tellurium atoms and up to 12 single hydrogen atoms of the CH2-groups of the alkyl radicals each independently from each other may also be substituted at the same C-atoms by fluorine, chlorine, bromine or iodine or cyano groups or linear alkyl chains with up to 18 carbon atoms, wherein one to 6 CH2-units independently from each other may be substituted by carbonyl groups, oxygen atoms, sulphur atoms, selenium atoms, tellurium atoms, cis-or frans-CH=CH-groups, wherein one CH-unit may also be substituted by a nitrogen atom, by acetylenic C=C-groups, 1,2-, 1,3-or 1,4-substituted phenyl radicals, 2,3-, 2,4-, 2,5-, 2,6-, 3,4-or 3,5-disubstituted pyridine radicals, 2,3-, 2,4-, 2,5-or 3,4-disubstituted thiophene radicals, 1,2-, 1,3-, 1,4-, 1,5-, 1,6-, 1,7-, 1,8-, 2,3-, 2,6-or 2,7-disubstituierte naphthalene radicals, wherein one or two carbon atoms may be substituted by nitrogen atoms, by 1,2-, 1,3-, 1,4-, 1,5-, 1,6-, 1,7-, 1,8-, 1,9-, 1,10-, 2,3-, 2,6-, 2,7-, 2,9-, 2,10-or 9,10-di-substituierte anthracene radicals, wherein one or two carbon atoms may be substituted by nitrogen atoms; or instead of substituents the free valencies of the methine-or quarternary carbon atoms may be linked pairwise forming rings like cyclohexane rings; or are an amino radical, if R1 and R2 together with the carbon atoms C1 and C2or R3 and R4 together with the carbon atoms C3 and C 4 form a 6-membered radical; R7 and R8, independently from each other are =0; or =NH-, if =NH-together with the nitrogen atom N1 (for R6) or together with the nitrogen atom N2 (for R7) forms a five-membered radical. The compounds are useful for different purposes, preferably as UV absorbers for cosmetic applications.