| abstract |
The present invention relates to compounds of general formula (I) wherein n represents an integer from 0 to 3, preferably n represents 0; X represents O, NR3 or S, preferably X represents O, R1 represents CO2R4, COR4, CH2OR4, C (O) NR4R5, C (O) N (OR5) R4, CH2NR4R5, P (O) (OR4) (OR5), P (O) (OR4) R5, SO2 (OR4) or SO2NR4R5, R2 is H, (C1-C6) alkyl, OR6, CH2OR6 or CH2NR6R7, and R3, R4, R5, R6 and R7 each independently represent one of other, H or (C1-C6) alkyl, their method of manufacture and their use as immunostimulatory agent, especially for the prevention and treatment of neoplastic and infectious pathologies. |