Use of benzotropolone derivatives as UV absorbers and antioxidants and their use in sunscreens and/or cosmetic compositions

Patent metadata

Field	Value
Publication number	US-9707417-B2
Application number	US-200913000163-A
Country	US
Kind code	B2
Filing date	Jun 18, 2009
Priority date	Jun 25, 2008
Publication date	Jul 18, 2017
Grant date	Jul 18, 2017

Abstract

Described is the use of benzotropolone and their derivatives, especially the compounds of formula (1); wherein R 2 , R 3 , R 4 , R 5 and R 6 independently of one another are hydrogen; OH; C 1 -C 30 alkyl, C 2 -C 30 al-kenyl, C 1 -C 30 alkoxy, C 3 -C 12 cycloalkyl or C 1 C 30 hydroxyalkyl, which may be substituted by one or more E and/or interrupted by one or more D; C 6 -C 20 aryl, which may be substituted by one or more G; C 4 -C 20 heteroaryl, which may be substituted by one or more G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 7 -C 25 aralkyl, CN, or —CO—R 17 ; C 1 -C 30 mono- or dialkylamino; COR 9 ; COOR 9 ; CONR 9 R 10 ; CN; SO 2 R 9 ; OCOOR 9 ; OCOR 9 ; NHCOOR 9 ; NR 9 COR 10 ; NH 2 ; *—(CO)—NH—(CH 2 ) n1 —(PO)—(OR 11 ) 2 ; —(CO)—O—(CH 2 ) n1 —(PO)—(OR 11 ) 2 ; sulphate; sulphonate; phosphate; phosphonate; —(CH 2 ) n2 —[O—(SO 2 )] n3 —OR 11 ; —O—(CH 2 ) n4 (CO) n5 —R 11 ; —(O) n6 —(CH 2 ) n7 —(PO)—(OR 9 ) 2 ; —(O) n6 —(CH 2 ) n7 —SO 2 —OR 9 ; halogen; organosilanyl; organo-siloxanyl; or a sugar residue linked directly in an α- or β-mode via the anomeric oxygen to the benzotropolone system or via a linear or branched alkylene, alkenylene, alkadiene or alkatriene spacer (sugar-(CH 2 ) n —(X 1 ) 1 or 0 -benzotropolone system, wherein n=1-10 and X 1 ═—O—; —(CO)—; —O—CO—; —COO—, —NH—; —S—; —SO 2 —); R 1 , R 7 and R 8 independently of one another are hydrogen; C 1 C 12 alkyl or C 3 -C 12 -cycloalkyl, which may be substituted by one or more E and/or interrupted by one or more D; C 6 -C 20 aryl, which may be substituted by one or more G; C 4 -C 20 heteroaryl, which may be substituted by one or more G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 7 -C 25 aralkyl, or COOR 9 ; COR 9 ; CONR 9 R 10 ; SO 3 R 9 ; SO 2 R 9 ; PO 3 (R 9 ) 2 ; PO 2 (R 9 ) 2 ; organosilanyl; organosiloxanyl; or a sugar residue linked directly in an α- or β-mode via the anomeric oxygen to the benzotropolone system or via a linear or branched alkylene, alkenylene, alkadiene or alkatriene spacer (sugar-(CH 2 ) n —(X 2 ) 1 or 0 —*, wherein n=1-10 and X 2 ═—C(═O)—; —O—CO—*); R 9 and R 10 independently from each other are hydrogen; C 1 C 18 alkyl or C 3 -C 12 -cycloalkyl which may be substituted by one or more E and/or interrupted by one or more D; C 6 -C 20 aryl, which may be substituted by one or more G; C 4 -C 20 heteroaryl, which may be substituted by one or more G; organosilanyl; organosiloxanyl; or a sugar residue linked directly in an α- or β-mode via the anomeric oxygen or via a linear or branched alkylene, alkenylene, alkadiene or alkatriene spacer (sugar-(CH 2 ) n —*, wherein n=1-10); or R 9 and R 10 together form a five or six membered ring, R 11 is hydrogen; or C 1 -C 5 alkyl; n 1 , n 2 , n 4 and n 7 independently from each other are a number from 1 to 5; n 3 , n 5 and n 6 independently from each other are a 0; or 1; D is —CO—; —COO—; —S—; —SO—; —SO2-; —O—; —NR 14 —; —S 1 R 19 R 20 —; —POR 11 —; —CR 12 ═CR 13 —; or —C≡C—; and E is —OR 18 ; —SR 18 ; —NR 14 R 15 ; —NR 14 COR 15 ; —COR 17 ; —COOR 16 ; —CONR 14 R 15 ; —CN; halogen; Or SO 3 R 18 ; SO 2 R 18 ; PO 3 (R 18 ) 2 ; PO 2 (R 18 ) 2 ; organosilanyl; organosiloxanyl; or a sugar residue linked directly in an α- or β-mode via the anomeric oxygen or via a linear or branched alkylene, alkenylene, alkadiene or alkatriene spacer (sugar-(CH 2 )n-(X 1 ) 1 or 0 —*, wherein n=1-10 and X1=—O—; —C(═O)—; —O—CO—; —COO—; —NH—; —S—; —SO 2 —); G is E; C 1 -C 18 alkyl, which is optionally interrupted by D; C 1 -C 18 perfluoroalkyl; C 1 -C 18 alkoxy, which is optionally substituted by E and/or interrupted by D; wherein R 12 , R 13 , R 14 and R 15 independently of each other are hydrogen; C 6 -C 18 aryl which is optionally substituted by OH, C 1 -C 18 alkyl or C 1 -C 18 alkoxy; C 1 -C 18 alkyl, which is optionally interrupted by —O—; or Ri4 and Ri5 together form a five or six membered ring, Ri6 is hydrogen; C6-Ci8aryl which is optionally substituted by OH, C 1 -C 18 alkyl or d-C 18 alkoxy; C 1 -C 18 alkyl which is optionally interrupted by —O—; R 17 is H; C 6 -C 18 aryl which is optionally substituted by OH, C 1 -C 18 alkyl or C 1 -C 18 alkoxy; or d-C 18 alkyl which is optionally interrupted by —O—; R 18 is hydrogen; C 6 -C 18 aryl, which is optionally substituted by OH, C 1 -C 18 alkyl or d-C 18 alkoxy; C 1 -C 18 alkyl, which is optionally interrupted by —O—; R 19 and R 20 independently of each other are hydrogen; C 1 -C 18 alkyl; C 6 -C 18 aryl which is optionally substituted by C 1 -C 18 alkyl; and R 21 is C 1 -C 18 alkyl; or C 6 -C 18 aryl, which is substituted by C 1 -C 18 alkyl; * means, that this radical is directed to the benzotropolone moiety; for the protection of human and animal hair and skin against UV radiation.

First claim

The invention claimed is:

1. A method of improving the UV absorbing and UV screening capacity for protecting human and animal hair and skin against UV radiation comprising applying thereto to a subject in need thereof a benzotropolone and their derivatives,
wherein the benzotropolone derivatives correspond to the formula

wherein
R 2 , R 3 , R 4 , R 5 and R 6 independently of one another are hydrogen; OH; C 1 -C 30 alkyl, C 2 -C 30 alkenyl, C 1 -C 30 alkoxy, C 3 -C 12 cycloalkyl or C 1 -C 30 hydroxyalkyl, which may be substituted by one or more E and/or interrupted by one or more D; C 6 -C 20 aryl, which may be substituted by one or more G; C 4 -C 20 heteroaryl, which may be substituted by one or more G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 7 -C 25 aralkyl, CN, or —CO—R 17 ; C 1 -C 30 mono- or dialkylamino; COR 9 ; COOR 9 ; CONR 9 R 10 ; CN; SO 2 R 9 ; OCOOR 9 ; OCOR 9 ; NHCOOR 9 ; NR 9 COR 10 ; NH 2 ; *—(CO)—NH—(CH 2 ) n1 —(PO)—(OR 11 ) 2 ; —(CO)—O—(CH 2 ) n1 —(PO)—(OR 11 ) 2 ; sulphate; sulphonate; phosphate; phosphonate; —(CH 2 ) n2 —[O—(SO 2 )] n3 —OR 11 ; —O—(CH 2 ) n4 (CO) n5 —R 11 ; —(O) n6 —(CH 2 ) n7 —(PO)—(OR 9 ) 2 ; —(O) n6 —(CH 2 ) n7 —SO 2 —OR 9 ; halogen; organosilanyl; organosiloxanyl; or a sugar residue linked directly in an α- or β-mode via the anomeric oxygen to the benzotropolone system or via a linear or branched alkylene, alkenylene, alkadiene or alkatriene spacer (sugar-(CH 2 ) n —(X 1 ) 1 or 0 -benzotropolone system, wherein n=1-10 and X 1 ═—O—; —(CO)—; —O—CO—; —COO—, —NH—; —S—; —SO 2 —);
R 1 , R 7 and R 8 are hydrogen;
R 9 and R 10 independently from each other are hydrogen; C 1 -C 18 alkyl or C 3 -C 12 -cycloalkyl which may be substituted by one or more E and/or interrupted by one or more D; C 6 -C 20 aryl, which may be substituted by one or more G; C 4 -C 20 heteroaryl, which may be substituted by one or more G; organosilanyl; organosiloxanyl; or a sugar residue linked directly in an α- or β-mode via the anomeric oxygen or via a linear or branched alkylene, alkenylene, alkadiene or alkatriene spacer (sugar-(CH 2 ) n -*, wherein n=1-10); or
R 9 and R 10 together form a five or six membered ring,
R 11 is hydrogen; or C 1 -C 5 alkyl;
n 1 , n 2 , n 4 and n 7 independently from each other are a number from 1 to 5;
n 3 , n 5 and n 6 independently from each other are a 0; or 1;
D is —CO—; —COO—; —S—; —SO—; —SO 2 —; —O—; —NR 14 —; —SiR 19 R 20 —; —POR 11 —; —CR 12 ═CR 13 —; or —C≡C—; and
E is —OR 18 ; —SR 18 ; —NR 14 R 15 ; —NR 14 COR 15 ; —COR 17 ; —COOR 16 ; —CONR 14 R 15 ; —CN; halogen; or SO 3 R 18 ; SO 2 R 18 ; PO 3 (R 18 ) 2 ; PO 2 (R 18 ) 2 ; organosilanyl; organosiloxanyl; or a sugar residue linked directly in an α- or β-mode via the anomeric oxygen or via a linear or branched alkylene, alkenylene, alkadiene or alkatriene spacer (sugar-(CH 2 ) n —(X 1 ) 1 or 0 -*, wherein n=1-10 and X 1 ═—O—; —C(═O)—; —O—CO—; —COO—; —NH—; —S—; —SO 2 —);
G is E; C 1 -C 18 alkyl, which is optionally interrupted by D; C 1 -C 18 perfluoroalkyl; C 1 -C 18 alkoxy, which is optionally substituted by E and/or interrupted by D; wherein
R 12 , R 13 , R 14 and R 15 independently of each other are hydrogen; C 6 -C 18 aryl which is optionally substituted by OH, C 1 -C 18 alkyl or C 1 -C 18 alkoxy; C 1 -C 18 alkyl, which is optionally interrupted by —O—; or
R 14 and R 15 together form a five or six membered ring,
R 16 is hydrogen; C 6 -C 18 aryl which is optionally substituted by OH, C 1 -C 18 alkyl or C 1 -C 18 alkoxy; C 1 -C 18 alkyl which is optionally interrupted by —O—;
R 17 is H; C 6 -C 18 aryl which is optionally substituted by OH, C 1 -C 18 alkyl or C 1 -C 18 alkoxy; or C 1 -C 18 alkyl which is optionally interrupted by —O—;
R 18 is hydrogen; C 6 -C 18 aryl, which is optionally substituted by OH, C 1 -C 18 alkyl or C 1 -C 18 alkoxy; C 1 -C 18 alkyl, which is optionally interrupted by —O—;
R 19 and R 20 independently of each other are hydrogen; C 1 -C 18 alkyl; C 6 -C 18 aryl which is optionally substituted by C 1 -C 18 alkyl; and
* means, that this radical is directed to the benzotropolone moiety.

2. The method according to claim 1 ; wherein in formula (1)
R 2 , R 3 , R 4 , R 5 and R 6 independently of one another are hydrogen; OH; C 1 -C 30 alkyl, C 2 -C 30 alkenyl, C 1 -C 30 alkoxy, C 3 -C 12 cycloalkyl or C 1 -C 30 hydroxyalkyl, which may be substituted by one or more E and/or interrupted by one or more D; C 6 -C 20 aryl, which may be substituted by one or more G; C 6 -C 20 heteroaryl, which may be substituted by one or more G, C 2 -C 18 alkenyl, C 2 -C 18 alkynyl, C 7 -C 25 aralkyl, CN, or —CO—R 17 ; C 1 -C 30 mono- or dialkylamino; COR 9 ; COOR 9 ; CONR 9 R 10 ; CN; SO 2 R 9 ; OCOOR 9 ; NHCOOR 9 ; NR 9 COR 10 ; NH 2 ; *—(CO)—NH—(CH 2 ) n1 —(PO)—(OR 11 ) 2 ; —(CO)—O—(CH 2 ) n1 —(PO)—(OR 11 ) 2 ; sulphate; sulphonate; phosphate; phosphonate; —(CH 2 ) n2 —[O—(SO 2 )] n3 —OR 11 ; —O—(CH 2 ) n4 (CO) n5 —R 11 ; —(O) n6 —(CH 2 ) n7 —(PO)—(OR 9 ) 2 ; —(O) n6 —(CH 2 ) n7 —SO 2 —OR 9 ; halogen; organosilanyl; organosiloxanyl; or a sugar residue linked directly in an α- or β-mode via the anomeric oxygen to the benzotropolone system or via a linear or branched alkylene, alkenylene, alkadiene or alkatriene spacer (sugar-(CH 2 ) n —(X 1 ) 1 or 0 -benzotropolone system, wherein n=1-10 and X 1 ═—O—; —(CO)—; —O—CO—; —COO—, —NH—; —S—; —SO 2 —);
R 9 and R 10 independently from each other are hydrogen; C 1 -C 18 alkyl or C 3 -C 12 -cycloalkyl which may be substituted by one or more E and/or interrupted by one or more D; C 6 -C 20 aryl, which may be substituted by one or more G; organosilanyl; organosiloxanyl; or a sugar residue linked directly in an α- or β-mode via the anomeric oxygen or via a linear or branched alkylene, alkenylene, alkadiene or alkatriene spacer (sugar-(CH 2 ) n -*, wherein n=1-10); or
R 9 and R 10 together form a five or six membered ring,
R 11 is hydrogen; or C 1 -C 5 alkyl;
n 1 , n 2 , n 4 and n 7 independently from each other are a number from 1 to 5;
n 3 and n 5 independently from each other are a 0; or 1;
D is —CO—; —COO—; —S—; —SO—; —SO 2 —; —O—; —NR 14 —; —SiR 19 R 20 —; —POR 11 —; —CR 12 ═CR 13 —; or —C≡C—; and
E is —OR 18 ; —SR 18 ; —NR 14 R 15 ; —NR 14 COR 15 ; —COR 17 ; —COOR 16 ; —CONR 14 R 15 ; —CN; halogen; or SO 3 R 18 ; SO 2 R 18 ; PO 3 (R 18 ) 2 ; PO 2 (R 18 ) 2 ; organosilanyl; organosiloxanyl; or a sugar residue linked directly in an α- or β-mode via the anomeric oxygen or via a linear or branched alkylene, alkenylene, alkadiene or alkatriene spacer (sugar-(CH 2 ) n —(X 1 ) 1 or 0 -*, wherein n=1-10 and X 1 ═—O—; —C(═O)—; —O—CO—; —NH—; —S—; —SO 2 —);
G is E; C 1 -C 18 alkyl, which is optionally interrupted by D; C 1 -C 18 perfluoroalkyl; C 1 -C 18 alkoxy, which is optionally substituted by E and/or interrupted by D; wherein
R 12 , R 13 , R 14 and R 15 independently of each other are hydrogen; C 6 -C 18 aryl which is optionally substituted by C 1 -C 18 alkyl or C 1 -C 18 alkoxy; C 1 -C 18 alkyl, which is optionally interrupted by —O—; or
R 14 and R 15 together form a five or six membered ring,
R 16 is hydrogen; C 6 -C 18 aryl which is optionally substituted by C 1 -C 18 alkyl or C 1 -C 18 alkoxy; C 1 -C 18 alkyl which is optionally interrupted by —O—;
R 17 is H; C 6 -C 18 aryl which is optionally substituted by C 1 -C 18 alkyl or C 1 -C 18 alkoxy; or C 1 -C 18 alkyl which is optionally interrupted by —O—;
R 18 is hydrogen; C 6 -C 18 aryl, which is optionally substituted by C 1 -C 18 alkyl or C 1 -C 18 alkoxy; C 1 -C 18 alkyl, which is optionally interrupted by —O—;
R 19 and R 20 independently of each other are hydrogen; C 1 -C 18 alky

Assignees

• Wagner Barbara
• Öhrlein Reinhold
• Herzog Bernd
• Eichin Kai
• Baisch Gabriele
• Portmann Stephanie
• Basf Se

Inventors

• Wagner Barbara
• Öhrlein Reinhold
• Herzog Bernd
• Eichin Kai
• Baisch Gabriele
• Portmann Stephanie

Classifications

• A61P39/06

  Free radical scavengers or antioxidants · CPC title

• C07H15/26

  Acyclic or carbocyclic radicals, substituted by hetero rings · CPC title

• C07F9/4006

  Esters of acyclic acids which can have further substituents on alkyl · CPC title

• A61Q19/08

  Anti-ageing preparations · CPC title

• C07C2602/12

  the other ring being at least seven-membered · CPC title