Several aldehydes related to methyl 9-deoxy-9-oxo-alpha-apopicropodophyllat
e, a selective antitumour agent against the HT-29 colon carcinoma, have bee
n prepared and evaluated for their cytotoxic activities on four neoplastic
cell lines (P-388, A-549, HT-29 and MEL-28). All of them lacked the lactone
ring but maintained their cytotoxicity at, or under, the mu M level. (C) 2
000 Editions scientifiques et medicales Elsevier SAS.