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Direct Synthesis of an alpha,omega-Diester from 2,7-Octadienol as Bulk Feedstock in Three Tandem Catalytic Steps

机译:在三个串联催化步骤中,由2,7-邻二甲苯醇作为原料直接合成α,ω-二酯

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摘要

A new tandem catalytic process was designed and developed as a tool for the direct conversion of the widely available feedstock 2,7-octadienol into an alpha,omega-diester. This innovative auto-tandem catalysis is atom efficient and consists of three consecutive palladium-catalysed reactions: ether formation, ether carbonylation and alkoxycarbonylation. By using the design of experiments (DoE) approach, significant parameters were determined and the yield of the desired alpha, omega-diester was optimised. Model substrates allowed deeper insight into the progress of the reaction to be gained and, as a result, the reaction sequence was uncovered. Furthermore, by simply applying other ligands, a different reaction path was followed, allowing other, new tandem catalytic sequences to be explored and enabling new compounds to be obtained.
机译:设计并开发了一种新的串联催化工艺,作为将广泛使用的原料2,7-辛二烯醇直接转化为α,ω-二酯的工具。这种创新的自动串联催化是原子有效的,由三个连续的钯催化反应组成:醚形成,醚羰基化和烷氧羰基化。通过使用实验设计(DoE)方法,确定了重要参数,并优化了所需α,ω-二酯的收率。模型底物使人们可以更深入地了解反应的进程,因此,发现了反应顺序。此外,通过简单地应用其他配体,可以遵循不同的反应路径,从而可以探索其他新的串联催化序列并获得新的化合物。

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