Treatment compositions with modified amino acid multimers

1 . A treatment composition comprising:

a treatment adjunct, and

0.001% to 30% by weight of the treatment composition of a modified amino acid multimer compound,

wherein the multimer compound comprises a central linking group and from two to six amino acid portions each covalently linked to the central linking group by a heteroatom selected from the group consisting of O, S, and N,

wherein the central linking group comprises from 3 to 18 carbon atoms,

wherein the central linking group does not comprise a peptide bond,

wherein each amino acid portion comprises a carbon backbone comprising one or more carbon atoms, a carbonyl group that comprises a carbon atom, and a nitrogen atom,

wherein the heteroatom is part of the central linking group and is directly bonded to the carbon atom of the carbonyl group of the amino acid portion,

wherein at least one amino acid portion comprises an organic moiety

covalently bonded to the nitrogen atom of the amino acid portion,

wherein the organic moiety comprises a benefit agent residue,

wherein when one or more bonds that connect the benefit agent residue to the amino acid portion are cleaved, a benefit agent is released,

 wherein the benefit agent comprises an aldehyde moiety, a ketone moiety, or a combination thereof.

2 . The treatment composition according to claim 1 , wherein the carbon backbone of each amino acid portion independently comprises from 1 to 9 carbon atoms.

3 . The treatment composition according claim 1 , wherein at least one of the amino acid portions are derived from proteogenic amino acids.

4 . The treatment composition according to claim 1 , wherein the amino acid portions are derived from proteogenic amino acids having the same identity.

5 . The treatment composition according to claim 1 , wherein at least two of the amino acid portions comprise a benefit agent residue.

6 . A treatment composition comprising:

a treatment adjunct, and

0.001% to 30% by weight of the treatment composition of a modified amino acid multimer compound,

wherein the multimer compound comprises a central linking group and from two to six amino acid portions each covalently linked to the central linking group,

wherein the central linking group comprises from 3 to 18 carbon atoms,

wherein the central linking group does not comprise a peptide bond,

wherein each amino acid portion comprises a carbonyl group at a C terminus, wherein the carbonyl group comprises a carbon atom,

wherein the carbon atom of the carbonyl is bonded to a heteroatom of the central linking group,

 wherein the heteroatom is selected from the group consisting of O, S, and N,

wherein each amino acid portion further comprises a nitrogen atom at an N terminus,

wherein at least one amino acid portion comprises a benefit agent residue that is bonded to the nitrogen atom at the N terminus of the at least one amino acid portion,

 wherein a benefit agent is released when one or more bonds that connect the benefit agent residue to the amino acid portion are cleaved,

 wherein the benefit agent comprises an aldehyde moiety, a ketone moiety, or a combination thereof.

7 . The treatment composition according to claim 6 , wherein the carbon backbone of each amino acid portion independently comprises from 1 to 9 carbon atoms.

8 . The treatment composition according to claim 6 , wherein at least one of the amino acid portions are derived from proteogenic amino acids.

9 . The treatment composition according to claim 6 , wherein the amino acid portions are derived from proteogenic amino acids having the same identity.

10 . The treatment composition according to claim 6 , wherein at least two of the amino acid portions comprise a benefit agent residue.

11 . A treatment composition comprising:

a treatment adjunct, and

0.001% to 30% by weight of the treatment composition of a modified amino acid multimer compound, wherein the modified amino acid multimer compound is characterized by a structure according to Formula I:

L[E] t   Formula I,

wherein t is independently an integer from 2 to 6;

wherein L is a central linking group that is multivalent and that comprises 3 to 18 carbon atoms;

wherein the central linking group does not comprise a peptide bond;

wherein each E group is independently selected from -GH, -GX, or a moiety according to Formula II:

with the proviso that the multimer compound comprises at least two E groups that are moieties according to Formula II,

wherein * indicates the point of attachment of the E group with L,

wherein the value of x is from 1 to 9,

wherein each G is independently selected from the group consisting of —O—, —N(R 3 )—, and —S—,

wherein each R 3 , if present, is independently selected from H or a monovalent moiety with a molecular weight between 14 and 881 Da,

wherein X, if present, is a suitable charge-balancing counterion,

wherein each R 1 is independently selected from H or a monovalent moiety with a molecular weight between 15 and 507 Da,

wherein each R 2 is independently selected from H and a monovalent moiety with a molecular weight of between 15 and 1000 Da,

wherein each A group is a monovalent nitrogen-comprising moiety,

wherein at least one A group comprises an independently selected benefit agent residue that is linked to the rest of the A group by one or more bonds,

wherein a benefit agent is released when the one or more bonds are cleaved,

wherein the benefit agent comprises an aldehyde moiety, a ketone moiety, or a combination thereof.

12 . The treatment composition according to claim 11 , wherein each A group is independently selected from the group consisting of:

(a) H 2 N—;

(b) Z**N—, wherein ** represents a linking bond between the nitrogen atom and a carbon atom of the Z group, wherein the linking bond is one of:

(i) a double bond, thereby forming an imine bond, or

(ii) a single bond formed from a 1,4-addition when the benefit agent from which the benefit agent residue is derived comprises an alpha-beta unsaturated carbonyl-containing moiety that is an aldehyde moiety or a ketone moiety, wherein the nitrogen atom of the Z**N— group is further bonded to a hydrogen (—H);

(c) HG′(J) d N(H)—; and

(d)

wherein the index d is selected from 1 to 3;

wherein each G′ is independently selected from —O—, —S—, or —N(R 7 )—,

wherein each R 7 , if present, is independently selected from —H or a monovalent moiety with a molecular weight of from about 15 to about 255 Da,

wherein the Z group comprises from 4 to 34 carbon atoms, and wherein the N and the G′ are bonded to the same carbon atom of the Z group,

wherein each J is independently selected from the group consisting of C(R 9 ) 2 , —O—, and —N(R 9 ),

wherein each R 9 is independently selected from H or a monovalent moiety with a molecular weight between 14 and 990 Da,

with the proviso that a first R 9 and a second R 9 can be taken together, where feasible, as a divalent substituent, wherein the divalent substituent is selected from the group consisting of a fused ring, a spirocyclic ring, and an unsaturated substituent selected from the group consisting of ═N(R 7 ), —O, and ═S,

wherein R 7 , if present, is as defined above,

wherein at least one A group is independently selected from (b) or (d),

wherein each Z group is the independently selected benefit agent residue.

13 . The treatment composition according to claim 12 ,

wherein at least one A group is: Z**N—, and

wherein the Z group of the Z**N-moiety is independently selected from the group consisting of

 and mixtures thereof,

wherein the ═C(R 4 )(R 5 ) and —CH(R 8 )CH 2 C(O)R 5 moieties each represent a residue of a benefit agent, wherein the residue of the benefit agent has a molecular formula that differs from the molecular formula of the benefit agent only by having one less O atom or one more H atom, wherein the benefit agent comprises an aldehyde moiety, a ketone moiety, or a combination thereof,

wherein R 4 is independently selected from a monovalent organic moiety, and wherein R 5 and R 8 are independently selected from the group consisting of hydrogen and a monovalent organic moiety,

with the proviso that R 4 and R 5 , or R 8 and R 5 , may combine to form a cyclic divalent organic moiety.

14 . The treatment composition according to claim 12 , wherein the Z group is a benefit agent residue having the following structure:

15 . The treatment composition according to claim 11 , wherein at least one of the following is true:

more than one A group comprises a benefit agent residue;

for a given compound, the identity of the A groups are identical;

for a given compound, the identity of the A groups are different;

wherein for a given compound, the identity of the Z groups are identical; and/or

wherein for a given compound, the identity of the Z groups are different.

16 . The treatment composition according to claim 12 , wherein at least one R 2 comprises a residue of an additional benefit agent, wherein the R 2 that comprises the residue is a monovalent moiety with a molecular weight of from 54 and 1000 Da.

17 . The treatment composition according to claim 12 , wherein the central linking group comprises from 3 to 16 carbon atoms.

18 . The treatment composition according to claim 12 , wherein the central linking group is a divalent, trivalent, or tetravalent organic moiety.

19 . The treatment composition according to claim 12 , wherein the central linking group is derived from a polyhydric alcohol selected from a diol, a triol, or pentaerythritol.

20 . The treatment composition according to claim 12 , wherein the benefit agent residue is a residue of a benefit agent selected from a perfume raw material, an antimicrobial agent, a pesticide, an insect repellant, an anti-fungal agent, a herbicidal agent, a hueing dye, an antioxidant, a non-perfume organoleptic, or a combination thereof.