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Título: | 5-(Tryptophyl)amino-1,3-dioxoperhydropyrido[1,2-c]pyrimidine-based potent and selective CCK1 receptor antagonists: Structure-activity relationship studies on the substituent at N2-position |
Autor: | Bartolomé-Nebreda, José M.; Patiño-Molina, Rosario; Martín-Martínez, Mercedes CSIC ORCID; Gómez-Monterrey, Isabel CSIC; García-López, M. Teresa CSIC ; González-Muñiz, Rosario CSIC ORCID; Cenarruzabeitia, Edurne CSIC; Latorre, Miriam; Río, Joaquín del CSIC; Herranz, Rosario CSIC ORCID | Palabras clave: | Alkyls Antagonists Pyrimidine Reaction products Receptors |
Fecha de publicación: | 25-may-2001 | Editor: | American Chemical Society | Citación: | Journal of Medicinal Chemistry 44(13): 2219-2228 (2001) | Resumen: | To establish structure−activity relationships a new series of analogues of the highly potent and selective CCK1 receptor antagonist (4aS,5R)-2-benzyl-5-(N-Boc-tryptophyl)amino-1,3-dioxoperhydropyrido[1,2-c]-pyrimidine (1a) modified at N2-position of the central scaffold has been prepared and evaluated as CCK receptor ligands. With this aim the N2-benzyl group has been replaced by methyl, cyclohexyl, aromatic groups, 1-phenylethyl, and 1-carboxy-2-phenylethyl group. Then, substituents with different electronic and steric properties were introduced into different positions of the phenyl group of analogues 19a and 19b. The results of the CCK receptor binding and in vitro functional activity evaluation suggest the importance of the lipophilic character and an appropriate spatial orientation of the moiety linked at the N2-position of the 1,3-dioxoperhydropyrido[1,2-c]pyrimidine template for potent and selective binding and antagonist activity at CCK1 receptor subtype. The 2-cyclohexyl and (2S)-1-naphthyl derivatives 18a and (2S)-20a have emerged as more potent and selective CCK1 receptor antagonists than the lead compound 1a. Additionally, the results confirm the (4aS,5R)-stereochemistry at the central bicyclic skeleton as an essential structural requirement for potent binding to this receptor subtype. | Versión del editor: | http://dx.doi.org/10.1021/jm010813d | URI: | http://hdl.handle.net/10261/335882 | DOI: | 10.1021/jm010813d | ISSN: | 0022-2623 | E-ISSN: | 1520-4804 |
Aparece en las colecciones: | (IQM) Artículos |
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