2008
DOI: 10.1021/cc800120y
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Parallel Synthesis of a Multi-Substituted Benzo[b]furan Library

Abstract: The solution phase parallel synthesis of a 121 member library of multi-substituted benzo[b]furans is described. 2,3,5-Trisubstituted benzo [b]furans have been prepared by the palladium-catalyzed substitution of 3-iodobenzofurans by Suzuki-Miyaura, carbonylative Suzuki, Sonogashira, Heck, and carboalkoxylation chemistry. The 3-iodobenzofurans are readily prepared in good to excellent yields by the palladium/copper-catalyzed cross-coupling of various o-iodoanisoles and terminal alkynes, followed by electrophilic… Show more

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Cited by 61 publications
(40 citation statements)
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“…As a proof-of-concept, we chose benzofuran salicylic acid as our active site-directed pTyr surrogate. Benzofuran derivatives are of considerable interest because of their widespread occurrence among natural products and their physiological properties (25). Thus, the library contains (a) a benzofuran salicylic acid core to engage the active site and (b) four alkyl linkers of one to four methylene units to tether the pTyr surrogate to (c) a structurally diverse set of 20 amines, aimed at capturing additional interactions with adjacent pockets surrounding the active site.…”
Section: Resultsmentioning
confidence: 99%
“…As a proof-of-concept, we chose benzofuran salicylic acid as our active site-directed pTyr surrogate. Benzofuran derivatives are of considerable interest because of their widespread occurrence among natural products and their physiological properties (25). Thus, the library contains (a) a benzofuran salicylic acid core to engage the active site and (b) four alkyl linkers of one to four methylene units to tether the pTyr surrogate to (c) a structurally diverse set of 20 amines, aimed at capturing additional interactions with adjacent pockets surrounding the active site.…”
Section: Resultsmentioning
confidence: 99%
“…17,18 He et al 19 designed and synthesized a 45-compound library of multi-substituted benzofurans, and using a high-throughput, cell-based HCV luciferase reporter assay studied its anti-hepatitis C virus (HCV) activity. 19 The optimization of the scaffold resulted in the identification of several potent inhibitors (EC 50 <100nM) of HCV with low cytotoxicity (CC 50 >25μM), and good selectivity (selectivity index=CC 50 /EC 50 , >371-fold).…”
Section: Methodsmentioning
confidence: 99%
“…20,21 Nas últimas duas décadas, o HTS de pequenas moléculas tornou--se o método mais comum para a descoberta de compostos líderes para o desenvolvimento de fármacos. Estes testes são realizados geralmente com milhares de compostos de forma automatizada, despendem de grande quantidade de recursos financeiros e os compostos líderes identificados geralmente necessitam de significantes otimizações estruturais, utilizando processos sintéticos.…”
Section: Figura 4 Estrutura Da Cimetidina Fármaco Desenvolvido Emprunclassified