Compounds of formula ##STR1## in which R, R.sub.1 and Y have the meanings shown in the description, their preparation by condensing an aldehyde or a ketone with cysteine or a derivative thereof and their use in the pharmaceutical field. The compounds of formula I possess antipyretic, anti-inflammatory, mucolytic and analgesic activity together with a low capacity to cause gastric injuries. The compounds of formula I, furthermore, are particularly useful in the treatment of ischemia and reperfusion syndromes.
公式##STR1##中的化合物,其中R、R.sub.1和Y具有描述中所示的含义,它们通过将醛或酮与半胱
氨酸或其衍
生物缩合制备而成,并在制药领域中使用。公式I的化合物具有退热、抗炎、溶痰和镇痛活性,同时具有较低的引起胃损伤的能力。此外,公式I的化合物在缺血和再灌注综合征的治疗中特别有用。