申请人:Reckitt & Colman Products Limited
公开号:US04818764A1
公开(公告)日:1989-04-04
2-[2-(1,4-Benzodioxanyl)]-2-imidazoline or a non-toxic salt thereof, substantially free of 2-[2-(2-methyl-1,3-benzodioxyl)]- 2-imidazoline or a non-toxic salt thereof. 2-[2-(1,4-Benzodioxanyl)]-2-imidazoline or a non-toxic salt thereof characterised in that the nuclear magnetic resonance spectrum of the compound in a protonated form exhibits multiplets in the region of .tau.4.4 and .tau.5.4. Process for the preparation of 2-[2-(1,4-benzodioxanyl)]-2-imidazoline, pharmaceutical compositions thereof or of its salts, and their use as presynaptic .alpha..sub.2 -adrenoreceptor antagonists.
2-[2-(1,4-苯并二氧基)]-2-咪唑啉或其非毒性盐,基本上不含2-[2-(2-甲基-1,3-苯并二氧基)]-2-咪唑啉或其非毒性盐。其中,该化合物质子化形式下的核磁共振光谱在τ4.4和τ5.4区域呈现多重峰。制备2-[2-(1,4-苯并二氧基)]-2-咪唑啉、其药物组合物或其盐的过程,以及它们作为突触前α2-肾上腺素受体拮抗剂的用途。