| 摘要 |
<p>Guaiacol esters of alpha- and beta-mercaptopropionyl alanine and of alpha- and beta-mercaptopropionyl glycine having formulae: …<CHEM>… wherein R is hydrogen or methyl and Y is hydrogen or an acyl radical (acetyl, benzoyl or methoxycarbonyl). …<??>Pharmaceutical compositions containing these guaiacol esters have mucolytic activity. …<??>The process for manufacturing these guaiacol esters comprises preparing in a known per se manner a sulhydryl group-containing intermediate wherein the sulfhydryl is protected by a trityl or p-methoxybenzyl group, and removing the protective group under acid conditions.</p> |
