Fukuyama Cross-Coupling Approach to Isoprekinamycin: Discovery of the Highly Active and Bench-Stable Palladium Precatalyst POxAP
作者:Shuang-Qi Tang、Jacques Bricard、Martine Schmitt、Frédéric Bihel
DOI:10.1021/acs.orglett.9b00031
日期:2019.2.1
identified for use in Fukuyama cross-coupling reactions. Suitable for storage under air, the POxAP precatalyst allowed reaction between thioesters and organozinc reagents with turnover numbers of ∼90000. A series of 23 ketones were obtained with yields ranging from 53 to 99%. As proof of efficacy, an alternative approach was developed for the synthesis of a key precursor of the natural product isoprekinamycin
确定了一种有效且用户友好的钯(II)预催化剂POxAP(后氧化加成预催化剂)可用于福山交叉偶联反应。POxAP预催化剂适合在空气中储存,它可使硫代酯与有机锌试剂之间的反应发生反应,其周转数约为90000。获得了一系列23种酮,产率为53%至99%。作为功效的证明,开发了另一种方法来合成天然产物异普瑞霉素的关键前体。