In:
Angewandte Chemie, Wiley, Vol. 130, No. 48 ( 2018-11-26), p. 16028-16032
Abstract:
A completely inorganic version of one of the most famous organophosphorus compounds, triphenylphosphine, has been prepared. A comparison of the crystal structures of inorganic triphenylphosphine, PBaz 3 (where Baz=B 3 H 2 N 3 H 3 ) and PPh 3 shows that they have superficial similarities and furthermore, the Lewis basicities of the two compounds are remarkably similar. However, their oxygenation and hydrolysis reactions are starkly different. PBaz 3 reacts quantitatively with water to give PH 3 and with the oxidizing agent ONMe 3 to give the triply‐O‐inserted product P(OBaz) 3 , an inorganic version of triphenyl phosphite; a corresponding transformation with PPh 3 is inconceivable. Thermodynamically, what drives these striking differences in the chemistry of PBaz 3 and PPh 3 is the great strength of the B−O bond.
Type of Medium:
Online Resource
ISSN:
0044-8249
,
1521-3757
DOI:
10.1002/ange.v130.48
DOI:
10.1002/ange.201810366
Language:
English
Publisher:
Wiley
Publication Date:
2018
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