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在缓和的条件下,如温度110—130℃,压力30—60大气压,H_2/CO=1—2,反应时间4—12小时,用 Co_3(co)_9(μ_3—CC_6H_5)催化的二异丁烯醛化反应,转化率及选择性均可达90%,产物正异构比 n/i>20。催化剂可循环使用,反复使用10次,共反应243小时,仍未完全丧失活性。共生成羰化产品550克,相当于一克钴生成羰化产品1600克,即0.6公斤钻/吨羰化产物,(不包括破坏回收)。
Under mild conditions, such as the temperature of 110-130 ℃, the pressure of 30-60 atm, H 2 / CO = 1-2, the reaction time of 4-12 hours, with Co_3 (co) _9 (μ_3-CC_6H_5) The reaction, conversion rate and selectivity are both up to 90%, and the product isomerization ratio n / i> 20. The catalyst can be recycled, repeated use of 10 times, a total reaction 243 hours, still not completely lost activity. A total of 550 grams of carbonylated products are produced, equivalent to 1 gram of cobalt to produce 1,600 grams of carbonized products, or 0.6 kg of diamonds / ton of carbonylated product, excluding destruction and recovery.