Cure accelerators for anaerobic curable compositions

1. A compound selected from the group of compounds represented by structural Formula (I):

wherein in Formula I:

R 1 is selected from the group consisting of aryl and heteroaryl;

X is selected from the group consisting of —O—, —S—, —NH—, cycloalkylene, heterocyclylene, arylene, alkarylene, and heteroarylene;

Y is a substituted alkylene group comprising an alkylene backbone having at least two contiguous carbon atoms and which optionally can be interrupted by one or more —O—, —S—, or —NH— moieties,

provided that each —O—, —S—, or —NH— moiety of Y, if present, is not adjacent to an —O—, —S—, or —NH— of X,

wherein the alkylene group of Y has substituents which are independently selected from the group consisting of —OH, —NH 2 , —SH, cycloalkyl, heterocyclyl, aryl, and heteroaryl, or two hydrogen atoms on the same carbon atom of Y are replaced by carbonyl, and

wherein at least two substituents of Y are each independently selected from the group consisting of —OH, —NH 2 , and —SH, and

provided that each of the —OH, —NH 2 , or —SH groups is not attached to the same carbon atom of Y or an —O—, —S—, or —NH— backbone moiety of Y, and provided that Y has less than three —OH substituents.

2. The compound according to claim 1 , wherein X is —O—.

3. The compound according to claim 1 , wherein Y comprises two —OH substituents.

4. The compound according to claim 1 , wherein the compound is represented by structural Formula (A):

5. The compound according to claim 1 wherein the compound is represented by structural Formula (B):

6. A compound represented by structural Formula (C):

7. A composition comprising the compound of claim 1 .

8. A reaction product prepared from reactants comprising:

a) at least one compound selected from the group of compounds represented by structural Formula (II)

wherein in Formula II:

R 1 is selected from the group consisting of aryl and heteroaryl; and

b) a compound selected from the group of compounds represented by structural Formula (III) or structural Formula (IV):

wherein in Formula III:

X is selected from the group consisting of —O—, —S—, —NH—, cycloalkylene, heterocyclylene, arylene, alkarylene, and heteroarylene;

Y is a substituted alkylene group comprising an alkylene backbone having at least two contiguous carbon atoms and which optionally can be interrupted by one or more —O—, —S—, or —NH— moieties,

provided that each —O—, —S—, or —NH— moiety of Y, if present, is not adjacent to an —O—, —S—, or —NH— of X,

wherein the alkylene group of Y has substituents which are independently selected from the group consisting of —OH, —NH 2 , —SH, cycloalkyl, heterocyclyl, aryl, and heteroaryl, or two hydrogen atoms on the same carbon atom of Y are replaced by carbonyl, and

wherein at least two substituents of Y are each independently selected from the group consisting of —OH, —NH 2 , and —SH, and

provided that each of the —OH, —NH 2 , or —SH groups is not attached to the same carbon atom of Y or an —O—, —S—, or —NH— backbone moiety of Y, and provided that Y has less than three —OH substituents; and

R 2 is selected from the group consisting of —OR, —NHR, alkyl, and arylalkyl, wherein R is H, alkyl or arylalkyl; and

wherein in Formula IV:

Z and Z′ are each independently selected from the group consisting of —O—, —S—, and —N(R 3 )—, wherein R 3 is H or alkyl;

m is at least 1 ;

each R 4 is independently selected from the group consisting of hydroxyalkyl, aminoalkyl, thioalkyl, hydroxyl substituted cycloalkyl, arylalkyl having at least one —OH, —NH 2 , or —SH group, and heteroarylalkyl having at least one —OH, —NH 2 , or —SH group, provided that there is no more than one R 4 substituent attached to a substitutable ring carbon atom; and

p is 1 or 2,

wherein the reaction product comprises at least one compound selected from the group of compounds represented by structural Formula (I):

wherein in Formula I:

R 5 is selected from the group consisting of aryl and heteroaryl;

W is selected from the group consisting of —O—, —S—, —NH—, cycloalkylene, heterocyclylene, arylene, alkarylene, and heteroarylene;

M′ is a substituted alkylene group comprising an alkylene backbone having at least two contiguous carbon atoms and which optionally can be interrupted by one or more —O—, —S—, or —NH— moieties,

provided that each —O—, —S—, or —NH— moiety of M′, if present, is not adjacent to an —O—, —S—, or —NH— of W,

wherein the alkylene group of M′ has substituents which are independently selected from the group consisting of —OH, —NH 2 , —SH, cycloalkyl, heterocyclyl, aryl, and heteroaryl, or two hydrogen atoms on the same carbon atom of M′ are replaced by carbonyl, and

wherein at least two substituents of M′ are each independently selected from the group consisting of —OH, —NH 2 , and —SH, and

provided that each of the —OH, —NH 2 , or —SH groups is not attached to the same carbon atom of M′ or an —O—, —S—, or —NH— backbone moiety of M′, and provided that M′ has less than three —OH substituents.

9. The reaction product according to claim 8 , wherein R 1 is phenyl.

10. The reaction product according to claim 8 , wherein X is —O—.

11. The reaction product according to claim 8 , wherein Y comprises two —OH substituents.

12. The reaction product according to claim 8 , wherein R 4 is hydroxyalkyl.

13. The reaction product according to claim 8 , wherein the compound of formula II is

14. The reaction product according to claim 8 , wherein the compound of Formula IV is

15. A composition comprising the reaction product of claim 8 .

16. The reaction product according to claim 8 , wherein the reaction product is a composition represented by structural formula A:

17. The reaction product according to claim 8 , wherein the reaction product is a composition represented by structural formula B:

18. The reaction product according to claim 8 , wherein the reaction product comprises a mixture of at least one compound represented by structural Formula (A):

and at least one compound represented by structural Formula (B):

19. A reaction product prepared from reactants comprising:

a) at least one compound selected from the group of compounds represented by structural Formula (V):

wherein in Formula V:

R 5 is selected from the group consisting of hydroxyalkyl and carboxyalkyl; and

b) at least one compound selected from the group of compounds represented by structural Formula (VI):

wherein in Formula VI:

Z″ is selected from the group consisting of —O—,—S—, and —NH—;

q is 1 to 4;

R 6 is independently selected from the group consisting of hydroxyalkyl, aminoalkyl, and thioalkyl; and

n is at least 1,

wherein the reaction product comprises at least one compound of structural Formula (D1) or (D2):

20. The reaction product according to claim 19 , wherein the compound of Formula V is

21. The reaction product according to claim 19 , wherein the compound of Formula VI is

22. A method of making a compound selected from the group of compounds represented by structural Formula (I):

wherein in Formula I:

R 1 is selected from the group consisting of aryl and heteroaryl;

X is selected from the group consisting of —O—, —S—, —NH—, cycloalkylene, heterocyclylene, arylene, alkarylene, and heteroarylene;

Y is a substituted alkylene group comprising an alkylene backbone having at least two contiguous carbon atoms which optionally can be interrupted by an —O—, —S—, or —NH-moiety,

provided that the —O—, —S—, or —NH— of Y, if present, is not adjacent to another —O—, —S—, or —NH— group of X, wherein the alkylene group has substituents which are independently selected from the group consisting of —OH, —NH 2 , —SH, cycloalkyl, heterocyclyl, aryl, and heteroaryl, or two hydrogen atoms on the same carbon atom of Y are replaced by carbonyl, and

wherein at least two substituents are each independently selected from the group consisting of —OH, —NH 2 , and —SH, and provided that each of the —OH, —NH 2 , or —SH is not attached to the same carbon atom of Y or an —O—, —S—, or —NH—backbone moiety of Y, and provided that Y has less than three —OH substituents, comprising the step of reacting:

(a) at least one compound selected from the group of compounds represented by structural Formula (II):

wherein in Formula II:

R 1 is selected from the group consisting of aryl and heteroaryl; with

(b) a compound selected from the group of compounds represented by structural Formula (III) or structural Formula (IV):

wherein in Formula III:

X is selected from the group consisting of —O—, —S—, —NH—, cycloalkylene, heterocyclylene, arylene, alkarylene, and heteroarylene;

Y is a substituted alkylene group comprising an alkylene backbone having at least two contiguous carbon atoms which optionally can be interrupted by —O—, —S—, or —NH-moieties,

provided that the —O—, —S—, or —NH— of Y, if present, is not adjacent to another —O—, —S—, or —NH— group of X, wherein the alkylene group has substituents which are independently selected from the group consisting of —OH, —NH 2 , —SH, cycloalkyl, heterocyclyl, aryl, and heteroaryl, or two hydrogen atoms on the same carbon atom of Y are replaced by carbonyl, and

wherein at least two substituents are each independently selected from the group consisting of —OH, —NH 2 , and —SH, and provided that each of the —OH, —NH 2 , or —SH is not attached to the same carbon atom of Y or an —O—, —S—, or —NH— backbone moiety of Y; and

R 2 is selected from the group consisting of —OR, NHR, alkyl, and arylalkyl, wherein R is H, alkyl or arylalkyl; and

wherein in Formula IV:

Z and Z′ are each independently selected from the group consisting of —O—, —S—, and —N(R 3 )—, wherein R 3 is H or alkyl;

m is at least 1;

each R 4 is independently selected from the group consisting of hydroxyalkyl, aminoalkyl, thioalkyl, hydroxyl substituted cycloalkyl, arylalkyl having at least one —OH, —NH 2 , or —SH group, and heteroarylalkyl having at least one —OH, —NH 2 , or —SH group, provided that there is no more than one R 4 substituent attached to a substitutable ring carbon atom; and

p is 1 or 2.