Previously we have established that some imidazole and benzimidazole derivatives exhibit cytotoxic and mutagenic action with respect to Drosophila melanogaster larvae [1 ]. Therefore, it was of interest to study the immunocorrector ac- tivity of azolides with respect to the human blood cells. For this purpose, we have synthesized aromatic sulfoacid azolides (Ia, Ib) using the following reaction scheme: ... (Me3Si)2NH 4-RC6H4SO2CI HctH ~ HetSiMe 3 9 R - - ~ /~----SOi--- ...