Polymerizable absorbers of UV and high energy visible light
Described are polymerizable high energy light absorbing compounds. The compounds absorb various wavelengths of ultraviolet and/or high energy visible light and are suitable for incorporation in various products, such as biomedical devices and ophthalmic devices.
1. A method for making an ophthalmic device, the method comprising:
(a) providing a reactive mixture containing one or more device forming monomers, a radical initiator, and a compound of formula I:
wherein:
m and n are independently 0, 1, 2, 3, or 4;
T is a bond, O, or NR;
X is O, S, NR, SO, or SO 2 ;
Y is a linking group;
P g is a polymerizable group;
R at each occurrence is independently H, C 1 -C 6 alkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, or Y—P g ;
R 1 and R 2 , when present, are independently at each occurrence C 1 -C 6 alkyl, C 1 -C 6 alkoxy, C 1 -C 6 thioalkyl, C 3 -C 7 cycloalkyl, aryl, halo, hydroxy, amino, NR 3 R 4 , or benzyl, wherein R 3 and R 4 are independently H or C 1 -C 6 alkyl, or two adjacent R 1 or R 2 groups, together with the carbon atoms to which they are attached, combine to form a cycloalkyl or aryl ring; and
EWG is an electron withdrawing group; and
(b) polymerizing the reactive mixture to form the ophthalmic device.
2. The method of claim 1 wherein m and n are each independently 0 or 1.
3. The method of claim 1 wherein Y at each occurrence is independently alkylene, cycloalkylene, heterocycloalkylene, arylene, heteroarylene, oxaalkylene, alkylene-amide-alkylene, alkylene-amine-alkylene, or combinations thereof.
4. The method of claim 1 wherein P g comprises styryl, vinyl carbonate, vinyl ether, vinyl carbamate, N-vinyl lactam, N-vinylamide, (meth)acrylate, or (meth)acrylamide.
5. The method of claim 1 wherein X is O.
6. The method of claim 1 wherein X is S.
7. The method of claim 1 wherein EWG is cyano, amide, ester, keto, or aldehyde.
8. The method of claim 1 wherein EWG is cyano.
9. The method of claim 1 that is:
2-(2-cyano-2-(9H-thioxanthen-9-ylidene)acetamido)ethyl methacrylate;
2-(2-cyano-2-(9H-thioxanthen-9-ylidene)acetamido)ethyl acrylate;
N-(2-(2-cyano-2-(9H-thioxanthen-9-ylidene)acetamido)ethyl)methacrylamide;
N-(2-(2-cyano-2-(9H-thioxanthen-9-ylidene)acetamido)ethyl)acrylamide;
2-(2-cyano-N-methyl-2-(9H-thioxanthen-9-ylidene)acetamido)ethyl methacrylate;
2-cyano-2-(9H-thioxanthen-9-ylidene)-N-(2-(N-vinylacetamido)ethyl)acetamide;
2-(2-cyano-2-(9H-xanthen-9-ylidene)acetamido)ethyl methacrylate;
2-(2-cyano-2-(9H-xanthen-9-ylidene)acetamido)ethyl acrylate;
N-(2-(2-cyano-2-(9H-xanthen-9-ylidene)acetamido)ethyl)methacrylamide;
N-(2-(2-cyano-2-(9H-xanthen-9-ylidene)acetamido)ethyl)acrylamide;
2-(2-cyano-N-methyl-2-(9H-xanthen-9-ylidene)acetamido)ethyl methacrylate;
2-cyano-N-(2-(N-vinylacetamido)ethyl)-2-(9H-xanthen-9-ylidene)acetamide;
2-(2-(acridin-9(10H)-ylidene)-2-cyanoacetamido)ethyl acrylate;
N-(2-(2-(acridin-9(10H)-ylidene)-2-cyanoacetamido)ethyl)methacrylamide;
N-(2-(2-(acridin-9(10H)-ylidene)-2-cyanoacetamido)ethyl)acrylamide;
2-(2-(acridin-9(10H)-ylidene)-2-cyano-N-methylacetamido)ethyl methacrylate;
2-(acridin-9(10H)-ylidene)-2-cyano-N-(2-(N-vinylacetamido)ethyl)acetamide;
2-(2-cyano-2-(9H-thioxanthen-9-ylidene)acetamido)-2-methylpropyl methacrylate;
2-(2-cyano-2-(9H-xanthen-9-ylidene)acetoxy)-2-methylpropyl acrylate;
(Z)-2-(2-cyano-2-(3-hydroxyacridin-9(10H)-ylidene)acetamido)ethyl methacrylate;
2-(2-cyano-2-(10-methylacridin-9(10H)-ylidene)acetamido)ethyl methacrylate;
2-(2-cyano-2-(3,6-dihydroxyacridin-9(10H)-ylidene)acetamido)ethyl methacrylate;
(E)-2-(2-(7H-benzo[c]xanthen-7-ylidene)-2-cyanoacetamido)ethyl methacrylate;
(Z)-2-(2-cyano-2-(3-methoxy-9H-xanthen-9-ylidene)acetamido)ethyl methacrylate;
2-(2-cyano-2-(3,6-dihydroxy-9H-xanthen-9-ylidene)acetamido)ethyl methacrylate;
(E)-2-(2-cyano-2-(2-methyl-9H-xanthen-9-ylidene)acetamido)ethyl methacrylate;
(E)-2-(2-cyano-2-(1-hydroxy-9H-xanthen-9-ylidene)acetamido)ethyl methacrylate;
(E)-2-(2-cyano-2-(2,4-dichloro-9H-thioxanthen-9-ylidene)acetamido)ethyl methacrylate;
(E)-2-(2-(2-chloro-9H-thioxanthen-9-ylidene)-2-cyanoacetamido)ethyl methacrylate;
(E)-2-(2-cyano-2-(2-isopropyl-9H-thioxanthen-9-ylidene)acetamido)ethyl methacrylate;
(E)-2-(2-cyano-2-(4-isopropyl-9H-thioxanthen-9-ylidene)acetamido)ethyl methacrylate;
2-(3-oxo-2-(9H-thioxanthen-9-ylidene)propanamido)ethyl methacrylate;
2-(3-oxo-2-(9H-thioxanthen-9-ylidene)butanamido)ethyl methacrylate;
2-(3-methoxy-3-oxo-2-(9H-thioxanthen-9-ylidene)propanamido)ethyl methacrylate;
2-(3-amino-3-oxo-2-(9H-thioxanthen-9-ylidene)propanamido)ethyl methacrylate;
2-(2-cyano-2-(10,10-dioxido-9H-thioxanthen-9-ylidene)acetamido)ethyl methacrylate;
N-(2-(2-cyano-2-(10-methylacridin-9(10H)ylidene)acetamido)ethyl) methacrylamide; or
2-(2-cyano-2-(9H-thioxanthen-9-ylidene)acetoxy)ethyl methacrylate.
10. The method of claim 1 wherein the Ophthalmic device is a silicone hydrogel contact lens, and wherein the silicone hydrogel contact lens has a contact angle of about 70° or less, a water content of at least 25 percent, and an oxygen permeability of at least 80 barrers.