Facile formation of β-hydroxyboronate esters by a Cu-catalyzed diboration/Matteson homologation sequence.

Facile formation of β-hydroxyboronate esters by a Cu-catalyzed diboration/Matteson homologation sequence.
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DOI:
10.1021/ol502767m
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发表时间:
2014-12-05
期刊:
影响因子:
5.2
通讯作者:
Clark TB
Clark TB
中科院分区:
化学1区
文献类型:
--
作者:
Moore CM;Medina CR;Cannamela PC;McIntosh ML;Ferber CJ;Roering AJ;Clark TB

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将铜催化的醛的二硼化反应与Matteson同系反应结合使用,提供了β-羟基硼酸酯的有效合成。与α-羟基硼酸酯(分离的水解产物)相比,氧结合的硼酸酯在介导同系化反应中起关键作用。通过氧化一种产物以提供1,2-二醇来证明二硼化/同系化序列的合成效用。
The copper-catalyzed diboration of aldehydes was used in conjunction with the Matteson homologation, providing the efficient synthesis of β-hydroxyboronate esters. The oxygen-bound boronate ester was found to play a key role in mediating the homologation reaction, which was compared to the α-hydroxyboronate ester (isolated hydrolysis product). The synthetic utility of the diboration/homologation sequence was demonstrated through the oxidation of one product to provide a 1,2-diol.
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