Novel purine derivatives and their isoguanine and dithioxanthine precursor compounds are disclosed. These compounds have bronchial and tracheal relaxation and/or anti-inflammatory activity. The invention is also related to processes for their preparation, to pharmaceutical compositions containing them and to their medical use. In certain preferred embodiments, the invention relates to 3-substituted and 3,8-disubstituted 6-amino purine derivatives.
本研究公开了新型
嘌呤衍
生物及其异
鸟嘌呤和二
硫黄嘌呤前体化合物。这些化合物具有舒张支气管和气管和/或抗炎活性。本发明还涉及它们的制备工艺、含有它们的药物组合物及其医疗用途。在某些优选的实施方案中,本发明涉及 3-取代和 3,8-二取代的 6-
氨基
嘌呤衍
生物。