| abstract |
Compound, derived from HA, with the formula (I): ** (See formula) ** where n is between 450 and 2500; R is ** (See formula) ** where R1 is H, O-Alk, OH, F, Ph, para-C6H4-F, OPh, CH2Ph; R2 is H, CH2OH, CH2SH, CH2CH2SMe, CH (CH3) 2, CH (CH3) OH; when R2 ≠ H, the stereocenter has an absolute configuration (R); X is an alkyl chain with an atom number of between 3 and 12 optionally containing a C≡C triple bond or one or more heteroatoms selected from the group consisting of N, S, O. |