| 摘要 |
Substituted benzophenones are disclosed having the following formula <IMAGE> <IMAGE> where RA and RB are -OH, C1 to C12 linear or branched alkoxy or taken together with the adjacent carbonyl carbons form an anhydride ring, R1 and R2 are the same or different and are hydrogen, C1 to C6 linear or branched alkyl, halo, aryl unsubstituted or substituted with one or more aryloxy groups or R1 and R2 taken together are (CH2)x where x is an integer from 3 to 6 with the proviso that R1 and R2 cannot both be hydrogen. Processes to produce these benzophenones are also disclosed.
|
