Sodium Carbonate → HCID 23139677, 화합물

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The procedure of Synthesis Example 1 was repeated except that 2-naphthalene boronic acid in place of phenylboronic acid was used, and then 7.5 g of 1-bromo-4-(naphthalene-2-yl)naphthalene of white crystal was obtained (yield: 43%). Synthesis Example 3 (Synthesis of 2-(biphenyl-2-yl)-6-bromonaphthelene) 15 g of 2,6-dibromonaphthalene on the market, 12.5 g of 2-biphenylboronic acid and 1.8 g of tetrakis(triphenylphophine)palladium were mixed, followed by argon displacement. After adding 250 ml of toluene and 90 ml of 2M sodium carbonate aqueous solution thereto, it was refluxed on heating for 7 hours. After standing to cool, the organic layer was extracted by toluene, and then it was washed by water and saturated salt water. Subsequently the organic layer was dried by using sodium sulfate anhydride, and then the solvent was removed by distillation. The product was refined through a silica gel chromatography and then 10.9 g of 2-(biphenyl-2-yl)-6-bromonaphthalene of white crystal was obtained (yield: 58%).

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