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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Increasing steric demand through flexible bulk - primary phosphanes with 2,6-bis(benzhydryl)phenyl backbones
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Increasing steric demand through flexible bulk - primary phosphanes with 2,6-bis(benzhydryl)phenyl backbones

机译:通过柔性散装 - 伯磷酸含量增加空间需求,具有2,6-双(Benzhydl)苯基骨架

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摘要

Sterically demanding primary phosphanes of the type (R)Bhp-PH2 (Bhp = 2,6-bis(benzhydryl)-4-R-phenyl; R = Me, tBu) could be prepared in high yields by modification of synthetic protocols of established bulky phosphanes. The Bhp substituents simultaneously exhibit extensive steric expansiveness and high degrees of flexibility compared to other 2,6-substituted phenyl backbones, enabling a range of different-sized atoms and functionalities to be located between the flanking benzhydryl moieties. Therefore, it was also possible to isolate and fully characterize several halogenated precursors, a diazonium intermediate, as well as a dihalostibane.
机译:在(R)BHP-PH2(BHP = 2,6-双(BenzhydryL)-4-R-苯基; r = Me,TBU)的基本上要求的主要磷酸盐可以通过改变建立的合成方案来制备高产率 庞大的磷酸盐。 与其他2,6-取代的苯基骨架相比,BHP取代基同时表现出广泛的空间膨胀性和高度的柔韧性,使得一系列不同尺寸的原子和才能位于侧翼的苯甲酰基部分之间。 因此,也可以分离和完全表征几种卤代前体,重氮中间体以及二卤化烷。

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