| 摘要 |
<p>Process for the preparation of new sulphamoylbenzoic acids The invention relates to processes for the preparation of sulphamoylbenzoic acids of the formula in which R1 is a substituted or unsubstituted aryl radical, X is oxygen or sulphur, R2 is hydrogen, lower alkyl or oxa-lower alkyl or an aryl-radical,Py is a substituted or unsubstituted 1-pyrrolyl-radical and n is an integer from 0 to 4 and salts of these compounds, by methods known per se. The new compounds are valuable diuretics and saliuretics.</p> |
