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Evans, M.A. et al.

Synthesis and cytotoxicity of substituted ethyl 2-phenacyl-3-phenylpyrrole-4-carboxylates.

The substituted ethyl-2-phenacyl-3-phenylpyrrole-4-carboxylates were synthesized by a condensation of a beta-chloroenal and an alpha-aminoketone under neutral conditions. They proved to be potent cytotoxic agents against the growth of murine L1210 and P388 leukemias and human HL-60 promyelocytic leukemia, HuT-78 lymphoma, and HeLa-S(3) uterine carcinoma. Selective compounds were active against the growth of Tmolt(3) and Tmolt(4) leukemias and THP-1 acute monocytic leukemia, liver Hepe-2, ovary 1-A9, ileum HCT-8 adenocarcinoma, and osteosarcoma HSO. A mode of action study in HL-60 cells demonstrated that DNA and protein syntheses were inhibited after 60 min at 100 microM. DNA and RNA polymerases, PRPP-amido transferase, dihydrofolate reductase, thymidylate synthase, and TMP kinase activities were interfered with by the agent with reduction of d[NTP] pools. Nonspecific interaction with the bases of DNA and cross-linking of the DNA may play a role in the mode of action of these carboxylates.[1]

References

Synthesis and cytotoxicity of substituted ethyl 2-phenacyl-3-phenylpyrrole-4-carboxylates. Evans, M.A., Smith, D.C., Holub, J.M., Argenti, A., Hoff, M., Dalglish, G.A., Wilson, D.L., Taylor, B.M., Berkowitz, J.D., Burnham, B.S., Krumpe, K., Gupton, J.T., Scarlett, T.C., Durham Jr, R.W., Hall, I.H. Arch. Pharm. (Weinheim) (2003) [Pubmed]

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