Asymmetrically substituted xanthine derivatives having adenosine A1 antagonistic activity. These are useful as pharmaceuticals. Exemplary are:
(a) 3-(2-(2-acetyloxyethyl)sulphonylethyl)-8-(1-noradamantyl)-1-n-propyl-xanthine;
(b) 3-(2-(hydroxyethyl)sulphonylethyl)-8-(1-noradamantyl)-1-n-propyl-xanthine; and,
(c) 3-(2-(carbamoylethyl)-8-(1-noradanantyl)-1-n-propyl-xanthine.
具有
腺苷A1受体拮抗活性的非对称取代
黄嘌呤衍
生物,可用作药物。例如:(a)3-(2-(2-乙酰氧乙基)磺酰乙基)-8-(1-去甲密环烷基)-1-正丙基
黄嘌呤;(b)3-(2-(羟乙基)磺酰乙基)-8-(1-去甲密环烷基)-1-正丙基
黄嘌呤;(c)3-(2-(
氨基甲酰乙基)-8-(1-去甲密环烷基)-1-正丙基
黄嘌呤。