Patent ID: 6340754
Filing Date: 2002-01-22
Classification: A61P,C07F,C07H

Abstract:
A compound of formula (I) wherein:B is adenine, guanine or hypoxanthine; Z is hydrogen or a negative charge; and R is âˆ’[CH2CH(R1)â€”O]nâ€”R2 or â€”CH2CH2X, in which wherein R1 is hydrogen or (C1-C6) alkyl, R2 is hydrogen or (C1-C6) alkyl, n is a number from 1 to 6, X is OH, F, NR3R4, and R3 and R4 are independently from each other hydrogen or (C1-C6) alkyl; or a salt thereof when Z is a negative charge.