Synthesis and evaluation of methoxy substituted 2-benzoyl-1-benzofuran derivatives as lead compounds for the development adenosine A1 and/or A2A receptor antagonists.
Bioorg Chem
; 94: 103459, 2020 01.
Article
em En
| MEDLINE
| ID: mdl-31818481
ABSTRACT
A series of fourteen methoxy substituted 2-benzoyl-1-benzofuran derivatives were synthesised and their affinities determined for adenosine A1 and A2A receptors via radioligand binding assays to establish the structure activity relationships pertinent for A1 and A2A affinity. Compound 3j (6,7-dimethoxybenzofuran-2-yl)(3-methoxyphenyl)methanone exhibited A1 affinity (A1Ki (rat) = 6.880 µM) as well as A2A affinity (A2AKi (rat) = 0.5161 µM). Compounds 3a-b &3i-k exhibited selective affinity towards A1 with Ki values below 10 µM. The results indicate that C6,7-diOCH3 substitution on ring A in combination with meta (C3')-OCH3 substitution on ring B is beneficial for A1 and A2A affinity and activity. Compounds 3a-b &3j-k showed low cytotoxicity. Upon in vitro and in silico evaluation, compound 3j may be considered lead-like (i.e. a molecular entity suitable for optimization) and, thus, of value in the design of novel, potent and selective adenosine A1 and A2A receptor antagonists.
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MEDLINE
Assunto principal:
Benzofuranos
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Receptor A1 de Adenosina
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Receptor A2A de Adenosina
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Antagonistas do Receptor A1 de Adenosina
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Antagonistas do Receptor A2 de Adenosina
Idioma:
En
Ano de publicação:
2020
Tipo de documento:
Article