IP Library Granted Patent US 12703712
Granted Patent B2
US 12703712 · App. 18/284,923 · Granted Aug 11, 2026

Indenonaphthopyrans having trialkylsilyl and ethylenically unsaturated groups

Inventors: Wenjing Xiao (Murrysville, PA); Beon-Kyu Kim (Gibsonia, PA); Robert W. Walters (Murrysville, PA)
Assignee: Transitions Optical, Ltd.
C07F7/0812C09K9/02G02B1/041C09K2211/1018
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Quick Facts
Patent No.
US 12703712
App. No.
18/284,923
Granted
Aug 11, 2026
Kind
B2
Abstract

The present invention relates to indenonaphthopyran compounds represented by the following Formula (I). With reference to Formula (I), R 1 through R 6 are as described in the specification. There is provided that the indenonaphthopyran compound represented by Formula (I) includes: (i) at least one trialkylsilyl group; and (ii) at least one ethylenically unsaturated radically polymerizable group selected from vinylphenyl, acrylate, methacrylate, acrylamide, or methacrylamide. The present invention also relates to photochromic compositions and photochromic articles that include indenonaphthopyran compounds represented by Formula (I).

Claims (107)

1 . An indenonaphthopyran compound represented by the following Formula (I),

wherein,

m is from 0 to 3,

n is from 0 to 3,

p is 1 or 2,

q is from 0 to 4,

R 1 independently for each m, R 2 independently for each n, R 3 independently for each p, and R 4 independently for each q, in each case is independently,

hydroxyl;

cyano;

(meth)acrylate or (meth)acrylamide;

vinylphenyl;

amino, or substituted nitrogen-containing heterocycle, or unsubstituted nitrogen-containing heterocycle;

a halo group;

a perhalo alkyl, or a perhalo aryl;

substituted or unsubstituted alkyl;

substituted or unsubstituted alkenyl;

substituted or unsubstituted alkynyl;

substituted or unsubstituted heterocycloalkyl;

substituted or unsubstituted aryl;

substituted or unsubstituted heteroaryl;

substituted or unsubstituted alkoxy or substituted or unsubstituted aryloxy;

substituted or unsubstituted alkylthio or substituted or unsubstituted arylthio;

ketone, aldehyde, carboxylic acid ester, carboxylic acid, carboxylate, or amide;

carbonate, carbamate, carbonyl amino, or urea;

polyether, polyester, polycarbonate, or polyurethane;

siloxy, alkoxysilane, or polysiloxane;

trialkylsilyl; or

combinations thereof; and

R 5 and R 6 are each independently,

substituted or unsubstituted alkyl;

substituted or unsubstituted aryl;

polyether, polyester, polycarbonate, or polyurethane;

trialkylsilyl; or

R 5 and R 6 together form a spirocyclic ring,

wherein each nitrogen-containing heterocycle substituent, each alkyl substituent, each alkenyl substituent, each alkynyl substituent, each heterocycloalkyl substituent, each aryl substituent, each heteroaryl substituent, each alkoxy substituent, each aryloxy substituent, each alkylthio substituent, and each arylthio substituent, are in each case independently selected from,

halo, cyano, nitro, alkyl, alkenyl, alkynyl, haloalkyl, perhaloalkyl, heterocycloalkyl, aryl, heteroaryl, hydroxyl, thiol, alkyl ether, alkyl thioether, aryl ether, aryl thioether, ketone, aldehyde, carboxylic acid ester, carboxylic acid, carboxylate, siloxane, alkoxysilane, polysiloxane, amide, amino, nitrogen-containing heterocycle, alkyl amine, aryl amine, carbamate, carbonate, urea, polyester group, polyether group, polycarbonate group, polyurethane group, trialkylsilyl, an acrylate group, a methacrylate group, an acrylamide group, a methacrylamide group, a vinylphenyl group, combinations thereof, or two or more thereof,

provided that said indenonaphthopyran compound comprises,

(i) at least one trialkylsilyl group, and

(ii) at least one ethylenically unsaturated radically polymerizable group selected from vinylphenyl, acrylate, methacrylate, acrylamide, or methacrylamide,

wherein one of:

m is at least 1, and one R 1 is selected from trialkylsilyl group;

or

q is at least 1, and R 4 at position-11 is selected from trialkylsilyl group, or trialkylsilyl mono-substituted phenyl group.

2 . The indenonaphthopyran compound of claim 1 , wherein,

R 1 independently for each m, R 2 independently for each n, R 3 independently for each p, and R 4 independently for each q, in each case is independently,

hydroxyl;

cyano;

(meth)acrylate or (meth)acrylamide;

vinylphenyl;

amino, or substituted nitrogen-containing heterocycle, or unsubstituted nitrogen-containing heterocycle;

a halo group;

a perhalo alkyl, or perhalo phenyl;

substituted or unsubstituted alkyl;

substituted or unsubstituted phenyl;

substituted or unsubstituted alkoxy;

ketone, aldehyde, carboxylic acid ester, carboxylic acid, carboxylate, or amide;

carbonate, carbamate, carbonyl amino, or urea;

polyether;

siloxy, or alkoxysilane;

trialkylsilyl; or

combinations thereof; and

R 5 and R 6 are each independently,

substituted or unsubstituted alkyl, or

trialkylsilyl;

wherein each nitrogen-containing heterocycle substituent, each alkyl substituent, each phenyl substituent, and each alkoxy substituent, are in each case independently selected from,

halo, cyano, nitro, alkyl, alkenyl, alkynyl, haloalkyl, perhaloalkyl, heterocycloalkyl, phenyl, heteroaryl, hydroxyl, thiol, alkyl ether, alkyl thioether, phenyl ether, phenyl thioether, ketone, aldehyde, carboxylic acid ester, carboxylic acid, carboxylate, siloxane, alkoxysilane, amide, amino, nitrogen-containing heterocycle, alkyl amine, phenyl amine, carbamate, carbonate, urea, polyether group, trialkylsilyl, an acrylate group, a methacrylate group, an acrylamide group, a methacrylamide group, a vinylphenyl group, combinations thereof, or two or more thereof,

provided that said indenonaphthopyran compound comprises,

(i) at least one trialkylsilyl group, and

(ii) at least one ethylenically unsaturated radically polymerizable group selected from vinylphenyl, acrylate, methacrylate, acrylamide, or methacrylamide.

3 . The indenonaphthopyran compound of claim 1 , wherein:

m is at least one, and one R 1 is trialkylsilyl; and

p is 2.

4 . The indenonaphthopyran compound of claim 1 , wherein,

R 3 independently for each p is selected from,

alkoxy,

amino,

unsubstituted nitrogen-containing heterocycle, or

substituted nitrogen-containing heterocycle,

wherein each substituent of the substituted nitrogen-containing heterocycle independently comprises acrylate, methacrylate, acrylamide, or methacrylamide.

5 . The indenonaphthopyran compound of claim 4 , wherein,

p is 2,

R 3 at position-6 is alkoxy; and

R 3 at position-7 is selected from,

amino,

unsubstituted nitrogen-containing heterocycle, or

substituted nitrogen-containing heterocycle,

wherein each substituent of the substituted nitrogen-containing heterocycle independently comprises acrylate, methacrylate, acrylamide, or methacrylamide.

6 . The indenonaphthopyran compound of claim 1 , wherein one of:

(A) m is at least 1, and one R 1 is represented by one of the following Formula (V) or Formula

wherein for Formula (V), R 15 is hydrogen or methyl, X 1 is O or NH, u is 0 to 4, R 16 independently for each u is alkyl or cycloalkyl, and L 1 is divalent alkyl, or a divalent group represented by the following Formula (Va),

wherein for Formula (Va), R a and R b are each independently selected from divalent alkyl, or

wherein for Formula (VI), R 15 is hydrogen or methyl, y is 1 to 20, and R 17 independently for each y is divalent alkyl;

or

(B) p is at least 1, and R 3 at position-7 is represented by the following Formula (VII),

wherein for Formula (VII), R 18 is hydrogen or methyl, X 2 is O or NH, L 2 is a single bond or divalent alkyl, u is 0 to 4, and R 19 independently for each u is alkyl or cycloalkyl.

7 . The indenonaphthopyran compound of claim 1 , wherein:

p is 2, R 3 at position-6 is alkoxy, and R 3 at position-7 is unsubstituted nitrogen-containing heterocycle;

q is at least one, and R 4 at position-11 is trialkylsilyl or trialkylsilyl mono-substituted phenyl; and

m is at least one, and one R 1 is represented by one of the following Formula (V) or Formula (VI),

wherein for Formula (V), R 15 is hydrogen or methyl, X 1 is O or NH, u is 0 to 4, R 16 independently for each u is alkyl or cycloalkyl, and L 1 is divalent alkyl, or a divalent group represented by the following Formula (Va),

wherein for Formula (Va), R a and R b are each independently selected from divalent alkyl, or

wherein for Formula (VI), R 15 is hydrogen or methyl, y is 1 to 20, and R 17 independently for each y is divalent alkyl.

8 . The indenonaphthopyran compound of claim 1 , wherein each trialkylsilyl group is a trimethylsilyl group.

9 . A photochromic composition comprising the indenonaphthopyran compound of claim 1 .

10 . The photochromic composition of claim 9 , wherein said photochromic composition is a polymerizable photochromic composition further comprising (meth)acrylate functional polydimethylsiloxane.

11 . A photochromic article comprising the indenonaphthopyran compound of claim 1 , wherein the photochromic article is selected from the group consisting of ophthalmic articles, display articles, windows, mirrors, active liquid crystal cell articles, and passive liquid crystal cell articles.

12 . The photochromic article of claim 11 , wherein the ophthalmic articles are selected from corrective lenses, non-corrective lenses, contact lenses, intra-ocular lenses, magnifying lenses, protective lenses, and visors.