U.S. Pat. No. 6,576,747 of Rina Carlini et al., entitled ???Processes for Preparing Dianthranilate Compounds and Diazopyridone Colorants,??? which is hereby incorporated by reference herein in its entirety, discloses a process for preparing dianthranilate compounds which comprises (a) admixing reactants as follows: (1) a diol of the formula R1(OH)2, wherein R1 is an alkylene group having at least