Aromatic substituted alkane-core monomers and polymers thereof for volume Bragg gratings

A compound of Formula I:

• wherein in Formula I:
• Alk is a C1-12 alkyl core;
• Ar is aryl;
• at each independent occurrence, R is hydrogen or a substituent comprising one or more groups selected from optionally substituted alkyl, optionally substituted heteroalkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl, optionally substituted heteroarylalkyl, hydroxy, halo, cyano, trifluoromethyl, trifluoromethoxy, nitro, trimethylsilanyl, optionally substituted epoxide, optionally substituted glycidyl, optionally substituted acrylate, optionally substituted methacrylate, —ORa, —SRa, —OC(O)—Ra, —N(Ra)2, —C(O)Ra, —C(O)ORa, —C(O)SRa, —SC(O)Ra, —OC(O)ORa, —OC(O)N(Ra)2, —C(O)N(Ra)2, —N(Ra)C(O)ORa, —N(Ra)C(O)Ra, —N(Ra)C(O)N(Ra)2, —N(Ra)C(NRa)N(Ra)2, —N(Ra)S(O)tRa, —S(O)tRa, —S(O)tORa, —S(O)tN(Ra)2, —S(O)tN(Ra)C(O)Ra, —O(O)P(ORa)2, and —O(S)P(ORa)2;
• m is an integer from 1 to 4;
• n is independently at each occurrence an integer from 0 to 5;
• t is 1 or 2;
• each Ra is independently selected from hydrogen, optionally substituted alkyl, optionally substituted heteroalkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl, and optionally substituted heteroarylalkyl;
• and
• wherein the compound of Formula I comprises at least one R substituent
• selected from: