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首页> 外文期刊>Catalysis science & technology >Zirconium-catalysed direct substitution of alcohols: enhancing the selectivity by kinetic analysis
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Zirconium-catalysed direct substitution of alcohols: enhancing the selectivity by kinetic analysis

机译：Zirconium-catalysed直接替换醇:提高选择性的动能分析

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摘要

Kinetic analysis was used as a tool for rational optimization of a catalytic, direct substitution of alcohols to enable the selective formation of unsymmetrical ethers, thioethers, and Friedel-Crafts alkylation products using a moisture-tolerant and commercially available zirconium complex (2 to 8 mol%). Operating in air and in the absence of dehydration techniques, the protocol furnished a variety of products in high yields, including glycosylated alcohols and sterically hindered ethers. In addition, the kinetic studies provided mechanistic insight into the network of parallel transformations that take place in the reaction, and helped to elucidate the nature of the operating catalyst.
机译：动力学分析被用作工具理性优化的催化,直接替换醇,使选择性的形成不对称醚类、硫醚傅克烷基化产品使用moisture-tolerant和商用锆复杂(2 - 8摩尔%)。在脱水技术的缺乏,在高协议提供各种各样的产品收益率,包括糖基化的醇位阻醚。动力学研究提供了机械的见解网络并行转换在反应中,有助于阐明操作催化剂的性质。

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