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495829488(wolfghost´ú·¢): ½ð±Ò+2, ÓÐЧӦÖú½±Àø~ 2022-10-11 19:45:23
wolfghost: ²©Ñ§EPI+1 2022-10-11 19:45:27
²Î¼ûJournal of Organic Chemistry, 1997, vol. 62, # 5, p. 1348 - 1355 £¬äåÈ¡´úµÃµ½¾ÍÊÇÒ»¸ö»ìºÏÎï¡£
6% dibenzofuran, 82.5%1, 0.4% of another monobromo compound, and 11% of a dibromo compound (GC, DB-5, 200 ¡ãC: tR 2.66, 4.90, 4.73, and11.02 min, respectively).
²Î¼ûJournal of the American Chemical Society, 2022, vol. 144, # 14, p. 6551 - 6557  ,2-Bromodibenzofuran: Dibenzofuran (1.68 g, 10 mmol)) and Br2 (0.56 mL, 11mmol) were dissolved in chloroform (20 mL) and stirred for 24 h at room temperature.
Then, the solvent was removed by rotary evaporation. The resulted white solid was further purified by recrystallization from dichloromethane/methanol to afford whitecrystal (1.98 g) with a yield of 80%. 1 ,Èç¹ûÂ¥Ö÷¾Í´òËã´ÓäåËØä廯¶þ±½²¢ß»à«£¬·´Ó¦Ê±½µµÍÏÂäåËØµÄµ±Á¿ºÍ·´Ó¦Î¶ÈÌá¸ßÑ¡ÔñÐÔ£¬»¹Óг¢ÊÔ¶þÂȼ×Í飺¼×´¼ÖؽᾧÌá´¿Ä¿±ê²úÎï¡£
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