N-phenyl-N'-alkylsulfonylureas, process for their preparation and antitumor compositions containing them.

摘要

A compound of the formula <CHEM> wherein: X<1> is halo; X<2> is hydrogen, halo, or CF3; A is C2-C7 alkyl; C2-C7 alkenyl; C4-C8 cycloalkyl; phenyl-substituted C1-C4 alkyl; phenyl-substituted C2-C4 alkenyl; or RZR<1> where R is phenyl or C1-C3 alkyl, R<1> is (CH2)n where n is 1-3, and Z is oxygen or sulfur; and pharmaceutically acceptable salts thereof, for the manufacture of a medicament for the treatment of susceptible neoplasms.