High heat monomers and methods of use thereof

A compound having formula:

• wherein R1 and R2 at each occurrence are each independently selected from an epoxide-containing functional group;
• Ra and Rb at each occurrence are each independently halogen, C1-C12 alkyl, C2-C12 alkenyl, C3-C8 cycloalkyl, or C1-C12 alkoxy;
• p and q at each occurrence are each independently 0 to 4;
• R13 at each occurrence is independently a halogen or a C1-C6 alkyl group;
• c at each occurrence is independently 0 to 4;
• R14 at each occurrence is independently a C1-C6 alkyl, phenyl, or phenyl substituted with up to five halogens or C1-C6 alkyl groups;
• Rg at each occurrence is independently C1-C12 alkyl or halogen, or two Rg groups together with the carbon atoms to which they are attached form a four-, five, or six-membered cycloalkyl group;
• and t is 0 to 10;
• wherein the compound has a purity of 97% or greater, as determined by high performance liquid chromatography (HPLC);
• the compound has an oligomer impurity content of less than or equal to 1%, as determined by high performance liquid chromatograph, and
• the compound has a softening point of less than 50° C., as measured according to ASTM E28-1999.