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Issue 11, 2019
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Increasing steric demand through flexible bulk – primary phosphanes with 2,6-bis(benzhydryl)phenyl backbones

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Abstract

Sterically demanding primary phosphanes of the type RBhp-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.

Graphical abstract: Increasing steric demand through flexible bulk – primary phosphanes with 2,6-bis(benzhydryl)phenyl backbones

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Submitted
28 Jan 2019
Accepted
19 Feb 2019
First published
21 Feb 2019

Dalton Trans., 2019,48, 3786-3794
Article type
Paper

Increasing steric demand through flexible bulk – primary phosphanes with 2,6-bis(benzhydryl)phenyl backbones

J. Bresien, J. M. Goicoechea, A. Hinz, M. T. Scharnhölz, A. Schulz, T. Suhrbier and A. Villinger, Dalton Trans., 2019, 48, 3786
DOI: 10.1039/C9DT00399A

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