固体超强酸SO_4^(2-)/TiO_2/La^(3+)催化合成氯乙酸正戊酯
talytic Synthesis of n-Amyl Chloroacetate by Solid Super Acid of SO_4^(2-)/TiO_2/La^(3+)</span>
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<strong>机构地区：</strong>
<span><a target="_blank" href="search?q=O%3D郧阳师范高等专科学校&dataType=article&articleType=1">郧阳师范高等专科学校</a></span>
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<strong>出 处：</strong>
<span><a target="_blank" href="search?q=M%3D广东化工&dataType=article&articleType=1">《广东化工》</a></span>
<!-- <i>北大核心期刊（2004版）</i>
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2004年第3期8-9,22,共3页</p>
<p class="abstrack">
<strong>摘 要：</strong>
<span>以稀土固体超强酸SO42-/TiO2/La3+为催化剂,氯乙酸与正戊醇为原料合成氯乙酸正戊酯,系统地研究了原料量比、催化剂用量、反应时间诸因素对产品收率的影响。实验结果表明:SO42-/TiO2/La3+是合成氯乙酸正戊酯的良好催化剂,在n(戊醇)／n(氯乙酸)=1.5,催化剂的用量为酸质量的2.0％,环己烷的用量为反应物总摩尔数的10％,反应时间3.0h,反应温度140-155℃.氯乙酸正戊酯的收率达到85％。</span>
<span><abstract>new environmentally-friendly catalyst, SO42-/TiO2/La3+(Ⅰ) was prepaired. n-Amyl chloroacetate was synthesized from chloroacetic acid(Ⅱ) and n-amyl alcohol(Ⅲ) with (Ⅰ) as catalyst . Experimental result showed that I is an excellent catalyst. With n(Ⅲ)/(Ⅱ)=1.5, ω(Ⅰ)=2.0%(based on acid), n(cyclohexane)/n(reactants)=10%, reaction temperature 140-155℃, and the reaction time 3.0h, the yield of n-amyl chloroacetat can reach 85%.</span>
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<strong>关 键 词：</strong>
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<a target="_blank" href="search?q=K%3D固体超强酸&dataType=article&articleType=1">固体超强酸</a>
<a target="_blank" href="search?q=K%3D氯乙酸正戊酯&dataType=article&articleType=1">氯乙酸正戊酯</a>
<a target="_blank" href="search?q=K%3D催化合成&dataType=article&articleType=1">催化合成</a>
<a target="_blank" href="search?q=K%3D氯乙酸&dataType=article&articleType=1">氯乙酸</a>
<a target="_blank" href="search?q=K%3D正戊醇&dataType=article&articleType=1">正戊醇</a>
<a target="_blank" href="search?q=K%3D催化剂&dataType=article&articleType=1">催化剂</a>
<a target="_blank" href="search?q=K%3D原料量比&dataType=article&articleType=1">原料量比</a>
<a target="_blank" href="search?q=K%3D催化剂用量&dataType=article&articleType=1">催化剂用量</a>
<a target="_blank" href="search?q=K%3D反应时间&dataType=article&articleType=1">反应时间</a>
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<strong>领 域：</strong>
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