Patent ID: 8507590
Filing Date: 2013-08-13
Classification: C07D,C08K,C08L

Abstract:
1. A process comprising reacting an anhydride compound of Formula (IV) with an aniline compound of Formula (V) in the presence of a first solvent to provide a compound of Formula (VI) wherein R 1 , R 4 , and R 5 are hydrogen, R 2 and R 3 are each t-butyl, R 7 and R 8 are independently at each occurrence a halogen, a cyano functionality, or a C 1 -C 6 functionality, “n” and “m” are each zero, and X is a halogen selected from chlorine or bromine; and reacting the compound of Formula (VI) with a compound of Formula (VII) in the presence of a base and a second solvent to provide a compound of Formula (I) wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 7 , R 8 , “n”, and “m” have the same meaning as defined above, and R 6 is —(CHS p )—OH where p is an integer having a value of 2 to 4, or