Beta-amino ester compounds and uses thereof
View Patent ↗Hair treatment compositions are disclosed comprising a β-amino ester compound in a cosmetically acceptable vehicle, such as a spray or cream. In embodiments, the compounds include a polybutadiene moiety. Methods of treating hair with the compositions to impart volume, texture and definition are also disclosed.
1. A compound according to formula (II):
wherein n is an integer between 1 and 10,000;
Z and Z′, together with the atoms to which they are attached, represent acrylate methacrylate or an amino end groups;
R 3 and R 4 are independently selected from the group consisting of alkyl, alkenyl, alkynyl, acyl, alkoxy, alkoxyalkyl, amino, aminoalkyl, aryl, heteroaryl, amido, alkylthioether, carbamoyl, carbonyldioxyl, carboxyl ester, cyclic aliphatic, cyclic heteroaliphatic, aromatic, heteroaromatic and ureido groups, each of which groups may be substituted with at least one substituent selected from the group consisting of alkyl, alkenyl, alkynyl, acyl, alkoxy, alkoxylalkyl, amino, aminoalkyl, aryl, heteroaryl, amido, cyclic aliphatic, heterocyclic aliphatic, halogen, hydroxyl, cyano, carbamoyl, carboxylic acid, carbonyldioxyl, alkylthioether, siloxyl, and thiohydroxyl groups;
B is a chain of 1 to 30 carbon atoms or heteroatoms which atoms or heteroatoms are unsaturated, saturated with hydrogen, or are substituted with at least one substituent selected from the group consisting of alkyl, alkenyl, alkynyl, aryl, heteroaryl, alkoxy, alkoxyalkyl carbamoyl, carboxyl ester, carbonyldioxyl, amido, thiohydroxyl, alkylthioether, cyano, ureido, cyclic aliphatic, aromatic, and heteroaromatic groups, which substituents may be substituted or unsubstituted, or alternatively may bond with each other or with an atom on the chain to form a ring; and
A is a rubber moiety with a molecular weight in a range of about 1000 g/mol to about 10,000 g/mol selected from the group consisting of butadiene, chloroprene, isoprene, and styrene-butadiene units.
2. The compound according to claim 1 , wherein A consists of butadiene units.
3. The compound according to claim 2 ,
wherein R 3 and R 4 are independently selected from the group consisting of alkyl, acyl, amino, aminoalkyl, alkoxy, alkoxyalkyl, amido, each of which groups may be substituted with at least one substituent selected from the group consisting of alkoxy, alkoxylalkyl, amino, aminoalkyl, heteroaryl, amido, halogen, hydroxyl, cyano, carbamoyl, carboxylic acid, carbonyldioxyl, alkylthioether, siloxyl, and thiohydroxyl groups.
4. The compound according to claim 3 , wherein R 3 and R 4 are independently alkyl or aminoalkyl group substituted with at least one substituent selected from the group consisting of alkoxy, alkoxylalkyl, amino, aminoalkyl, heteroaryl, amido, halogen, hydroxyl, cyano, carbamoyl, carboxylic acid, carbonyldioxyl, alkylthioether, siloxyl, and thiohydroxyl groups.
5. The compound according to claim 3 , wherein R 3 and R 4 are independently hydroxyl substituted aminoalkyl.
6. The compound according to claim 2 , wherein n is 1 to 100.