Issue 11, 2019

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

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

Associated articles

Supplementary files

Article information

Article type
Paper
Submitted
28 Sun 2019
Accepted
19 Yan 2019
First published
21 Yan 2019

Dalton Trans., 2019,48, 3786-3794

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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