综述了Pd2+催化苯酚氧化羰基化合成碳酸二苯酯反应机理的最新研究进展,详细介绍了对催化机理的验证和如何实现Pd催化体系的高效循环. 苯酚氧化羰基化合成碳酸二苯酯催化机理的研究表明,碳酸二苯酯是通过CO对 Pd - O 键的插入和中间体Pd(COOPh)(OPh)的还原消除而生成的. 在Pd催化剂体系中引入配体和氧化还原助剂,能防止Pd0的聚集,提高Pd0再生为活性Pd2+的速率,加速催化循环. 分析总结了Pd催化剂体系目前存在的问题,并提出了催化剂体系的研究方向.
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