Abstract

Four new sulfated steroidal compounds, sodium 3-hydroxy-6-hydroximinocholestane 3-sulfate (7a), sodium 3-hydroxy-6-hydroximinostigmastane 6-sulfate (7b), sodium 3-hydroxy-6-hydroximinocholest-4-ene 3-sulfate (10a), and sodium 6-hydroxy-3-hydroximinocholestane 6-sulfate (16) had been synthesized using cholesterol or stigmasterol as starting materials by different synthetic methods. The synthetic compounds were characterized by their analytical and spectral data, and their antiproliferative activity against MGC 7901 (human gastric carcinoma cell line), HeLa (human cervical carcinoma cell line), and SMMC 7404 (human liver carcinoma cell line) were investigated. The results showed that the compounds exhibited a remarkable cytotoxicity against HeLa tumor cells in vitro and 7a displayed a better cytotoxicity than cisplatin (a positive contrast).

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