申请人:SYNTEX (U.S.A.) INC.
公开号:EP0457326A1
公开(公告)日:1991-11-21
Nucleoside compounds of the formula
wherein:
B is a purine or a pyrimidine;
X and X' are H, OH or F, provided that at least one is H;
Y and Y' are H, OH, OCH₃ or F, provided that at least one is H;
Y' and Z together form a cyclic phosphate ester, provided that Y is H; or
Z is
where n is zero, one, two or three; and
Z' is N₃ or OCH₃;
provided that
whenX' and Y' are OH and Z' is N₃, B is not cytosine,
whenX' and Y' are OH and Z' is OCH₃, B is not uracil, adenine or cytosine, and
whenZ' is N₃, X' is H, and Y' is H, OH, OCH₃, or F, B is not purine, cytosine, uracil, or thymine;
and the pharmaceutically acceptable esters, ethers and salts thereof, have been found to have potent antiviral activity with a high therapeutic ratio.
式中的核苷化合物
其中
B 是嘌呤或嘧啶;
X 和 X'是 H、OH 或 F,但至少有一个是 H;
Y 和 Y'是 H、OH、OCH₃ 或 F,但至少有一个是 H;
Y' 和 Z 共同形成环磷酸酯,条件是 Y 是 H;或
Z 是
其中 n 为 0、1、2 或 3;以及
Z' 是 N₃ 或 OCH₃;
条件是
当 X' 和 Y' 为 OH 且 Z' 为 N₃ 时,B 不是胞嘧啶、
当X'和Y'为OH且Z'为OCH₃时,B不是尿嘧啶、腺嘌呤或胞嘧啶,以及
当 Z' 是 N₃,X' 是 H,Y' 是 H、OH、OCH₃ 或 F 时,B 不是嘌呤、胞嘧啶、尿嘧啶或胸腺嘧啶;
及其药学上可接受的酯、醚和盐,已被发现具有强效抗病毒活性和高治疗比。