the group consisting of hydrogen a group having a formula c a h b n c o d s e wherein a b c d and e are from 0 to 30 and halogen class d lactone based antioxidants may include those compounds that conform to the structure of the following wherein r 15 to r 23 are individually selected from the group consisting of hydrogen a group having a formula c a h b n c o d s e wherein a b c d and e are from 0 to 30 and halogen the following examples are illustrative of the invention but do not in limit the scope of the invention species provided below may enable a person of skill in the art to practice the entire chemical genus represented by the specific species presented below a 100 ml 3 neck round bottom flask equipped with a mechanical stirrer a thermal controller and a reflux condenser was charged with about 20 g 51 mmol of 3 5 chloro 2h benzotriazol 2 yl 5 1 1 dimethylethyl 4 hydroxy benzenepropanoic acid methyl ester 4 4 g 1 4 eq of ethanolamine and 100 ml of xylene the reaction was heated to 130 c under n2 blank and monitored after about eight 8 hours the reaction was completed upon cool down to 5 10 u00b0 c the solid precipitate was collected by filtration and washed with cold methylene chloride and dried overnight 20 5 g of analytical pure product was obtained with a melting point mp of about 132 135 c and an nmr cdcl3 11 51 broad 1h 8 06 s 1h 7 89 s 1h 7 85 d 1h 7 41 d 1h 7 21 s 1h 6 06 m 1h 3 70 t 2h 3 41.