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Molecules 2009, 14(12), 5189-5202; doi:10.3390/molecules14125189
Article

Synthesis and Evaluation of in Vitro Biological Activity of 4-Substituted Arylpiperazine Derivatives of 1,7,8,9-Tetrachloro-10,10-dimethoxy-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione

1, 1, 1,* , 2, 2, 3,* , 3, 3, 3 and 3
1 Department of Medical Chemistry, Medical University, 3 Oczki Str., 02-007 Warsaw, Poland 2 Faculty of Chemistry, Maria Curie-Sklodowska University, 20-031 Lublin, Poland 3 Department of Biomedical Science and Technology, University of Cagliari, Cittadella Universitaria, 09042, Monserrato, Cagliari, Italy
* Authors to whom correspondence should be addressed.
Received: 5 November 2009 / Revised: 26 November 2009 / Accepted: 1 December 2009 / Published: 11 December 2009
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Abstract

A series of twenty arylpiperazine derivatives of 1,7,8,9-tetrachloro-10,10-dimethoxy-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione have been prepared. These derivatives were tested in vitro with the aim of identifying novel lead compounds active against emergent and re-emergent human and cattle infectious diseases (AIDS, hepatitis B and C, tuberculosis, bovine viral diarrhea). In particular, these compounds were evaluated in vitro against representatives of different virus classes, such as a HIV-1 (Retrovirus), a HBV (Hepadnavirus) and the single-stranded RNA+ viruses Yellow fever virus (YFV) and Bovine viral diarrhea virus (BVDV), both belonging to the Flaviridae. Compounds 2c, 2g and 3d showed a modest activity against CVB-2. The molecular structures of the starting imide 1 and one of propyl-piperazine derivatives, 3b, have been determined by an X-ray crystallography study.
Keywords: 1,7,8,9-tetrachloro-10,10-dimethoxy-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione; arylpiperazine derivatives; X-ray crystal structure analysis; antiviral activity 1,7,8,9-tetrachloro-10,10-dimethoxy-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione; arylpiperazine derivatives; X-ray crystal structure analysis; antiviral activity
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Kossakowski, J.; Pakosinska-Parys, M.; Struga, M.; Dybala, I.; Koziol, A.E.; La Colla, P.; Marongiu, L.E.; Ibba, C.; Collu, D.; Loddo, R. Synthesis and Evaluation of in Vitro Biological Activity of 4-Substituted Arylpiperazine Derivatives of 1,7,8,9-Tetrachloro-10,10-dimethoxy-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione. Molecules 2009, 14, 5189-5202.

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