期刊
JOURNAL OF NATURAL PRODUCTS
卷 72, 期 5, 页码 857-860出版社
AMER CHEMICAL SOC
DOI: 10.1021/np9000637
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资金
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (SAUX)
- Fundacao de Amparo a Pesquisa do Estado do Rio Grande do Sul
The first total syntheses of four new polyacetylene compounds have been achieved using convergent routes, which involved Cadiot-Chodkiewicz copper-catalyzed cross-coupling reactions to sp-sp centers as the key steps. 19-Furan-2-ylnonadeca-5,7-diynoic acid (1), 19-furan-2-ylnonadeca-5,7-diynoic acid methyl ester (2), 2-pentacosa-7,9-diynylfuran (3), and 21-furan-2-ylhenicosa-14,16-diyn-1-ol (4) were stable and could be readily identified, isolated, and purified in high overall yields.
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