| abstract |
Compound comprising the structure shown in formula I ** (See formula) ** in which R1 and R2 are R1 = CH2 (CH2) nOC (= O) R4 R2 = CH2 (CH2) mOC (= O) R5 in those where n and m are each independently from 1 to 2; and R4 and R5 are independently at each occurrence a C (12-20) alkyl group or a C (12-20) alkenyl group; wherein R3 is selected from ** (See formula) ** wherein each R6 is independently selected from H, alkyl, hydroxyl, hydroxyalkyl, alkoxy, alkoxyalkoxy, and aminoalkyl; each R7 is independently selected from H, alkyl, hydroxyalkyl, and aminoalkyl; Q is O or NR7, where alkyl is C (1-6) alkyl, hydroxyalkyl is hydroxy [C (1-6) alkyl] and aminoalkyl is amino [C (1-6) alkyl]. |