Abstract
Isoflavones were synthesized by two steps in good yields, starting from commercially available 2-hydroxyacetophenones and benzene analogs. First, intermediate 3-(dimethylamino)-1-(2-hydroxyphenyl) prop-2-en-1-ones were obtained by the condensation of 2-hydroxyacetophenones and DMF-DMA in DMF with high yields. Second, isoflavones were synthesized by irradiation of 3-(dimethylamino)-1-(2-hydroxyphenyl)prop- 2-en-1-ones in the presence of iodine using benzene analogs as solvent under a mercury lamp.
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Acknowledgments
This research was supported by the National Natural Science Foundation of China (No. 21372150), the Fundamental Research Funds for the Central Universities (No. GK261001095), and the Science and Innovation Funds of Graduate Programs of Shaanxi Normal University (No. 2009CXS013).
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Liu, L., Wang, Q., Zhang, Z. et al. An efficient strategy to syntheses of isoflavones. Mol Divers 18, 777–785 (2014). https://doi.org/10.1007/s11030-014-9537-3
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DOI: https://doi.org/10.1007/s11030-014-9537-3