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FMPhos: Expanding the Catalytic Capacity of Small-Bite-Angle Bisphosphine Ligands in Regioselective Alkene Hydrofunctionalizations
ACS Catalysis ( IF 11.3 ) Pub Date : 2020-11-24 , DOI: 10.1021/acscatal.0c04199 Xiao-Yang Chen 1 , Xukai Zhou 1 , Jianchun Wang 1 , Guangbin Dong 1
ACS Catalysis ( IF 11.3 ) Pub Date : 2020-11-24 , DOI: 10.1021/acscatal.0c04199 Xiao-Yang Chen 1 , Xukai Zhou 1 , Jianchun Wang 1 , Guangbin Dong 1
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In contrast to the plethora of large-bite-angle bisphosphine ligands available to transition-metal catalysis, the development of small-bite-angle bisphosphine ligands has suffered from the limited structural variations accessible on their single-atom-containing backbones. Herein, we report the design and applications of a discrete very small bite-angle bisphosphine ligand, namely, FMPhos. Featuring a fluorene–methylene unit appended on the single-carbon linker, the ligand harbors an unusually rigid backbone that presumably stabilizes its complexation with transition metals during catalysis. Compared with the known dppm ligand, it exhibited superior reactivity and regioselectivity in a number of alkene hydrofunctionalization reactions, catalyzed by iridium and rhodium.
中文翻译：
FMPhos：扩大区域选择性烯烃加氢官能化中的小咬角双膦配体的催化能力。
与可用于过渡金属催化的大量大咬合角双膦配体相反，小咬合角双膦配体的发展受到在其含单原子主链上可及的结构变化的限制。在这里，我们报告了离散的非常小的咬角双膦配体，即FMPhos的设计和应用。该配体具有在单碳连接基上附加的芴-亚甲基单元，具有一个异常刚性的骨架，该骨架可能在催化过程中稳定了其与过渡金属的络合作用。与已知的dppm配体相比，它在铱和铑催化的许多烯烃加氢官能化反应中显示出优异的反应性和区域选择性。
更新日期：2020-12-18
中文翻译：
FMPhos：扩大区域选择性烯烃加氢官能化中的小咬角双膦配体的催化能力。
与可用于过渡金属催化的大量大咬合角双膦配体相反，小咬合角双膦配体的发展受到在其含单原子主链上可及的结构变化的限制。在这里，我们报告了离散的非常小的咬角双膦配体，即FMPhos的设计和应用。该配体具有在单碳连接基上附加的芴-亚甲基单元，具有一个异常刚性的骨架，该骨架可能在催化过程中稳定了其与过渡金属的络合作用。与已知的dppm配体相比，它在铱和铑催化的许多烯烃加氢官能化反应中显示出优异的反应性和区域选择性。
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