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Blanco MC, Escobar P, Leal SM, Bahsas A, Cobo J, Nogueras M, Palma A. Synthesis of novel polysubstituted (2SR,4RS)-2-heteroaryltetrahydro-1,4-epoxy-1-benzazepines and cis-2-heteroaryl-4-hydroxytetrahydro-1H-1-benzazepines as antiparasitic agents. Eur J Med Chem 2014; 86:291-309. [PMID: 25173828 DOI: 10.1016/j.ejmech.2014.08.055] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Revised: 08/04/2014] [Accepted: 08/15/2014] [Indexed: 10/24/2022]
Abstract
New series of polysubstituted (2SR,4RS)-2-heteroaryltetrahydro-1,4-epoxy-1-benzazepines and cis-2-heteroaryl-4-hydroxytetrahydro-1H-1-benzazepines were designed and synthesized in moderate to high yields using a three-step procedure from ortho-allylanilines. Their antiparasitic activity was evaluated against the extracellular and intracellular forms of Trypanosoma cruzi and Leishmania (Leishmania) infantum parasites. Their cytotoxicity was also determined on Vero and THP-1 mammalian cells. Many of the tested compounds inhibited significantly the growth of extracellular forms of T. cruzi and L. (L.) infantum without showing cytotoxicity on Vero and HTP-1 cells. Only compounds 10h and 14f demonstrated good activity against amastigotes of T. cruzi, but none was able to inhibit the growth of L. (L.) infantum amastigotes.
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Affiliation(s)
- María C Blanco
- Laboratorio de Síntesis Orgánica, Escuela de Química, Universidad Industrial de Santander, A.A. 678, Bucaramanga, Santander, Colombia
| | - Patricia Escobar
- Centro de Investigación de Enfermedades Tropicales, Departamento de Ciencias Básicas, Escuela de Medicina, Universidad Industrial de Santander, A.A. 678, Bucaramanga, Santander, Colombia
| | - Sandra M Leal
- Centro de Investigación de Enfermedades Tropicales, Departamento de Ciencias Básicas, Escuela de Medicina, Universidad Industrial de Santander, A.A. 678, Bucaramanga, Santander, Colombia
| | - Alí Bahsas
- Laboratorio de RMN, Grupo de Productos Naturales, Departamento de Química, Universidad de los Andes, Mérida 5101, Venezuela
| | - Justo Cobo
- Inorganic and Organic Department, University of Jaén, Campus Las Lagunillas s/n, 23071 Jaén, Spain
| | - Manuel Nogueras
- Inorganic and Organic Department, University of Jaén, Campus Las Lagunillas s/n, 23071 Jaén, Spain
| | - Alirio Palma
- Laboratorio de Síntesis Orgánica, Escuela de Química, Universidad Industrial de Santander, A.A. 678, Bucaramanga, Santander, Colombia.
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