In:
Chemical Science, Royal Society of Chemistry (RSC), Vol. 13, No. 27 ( 2022), p. 8088-8094
Abstract:
The reaction of t Bu 2 P(O)H with Bis 2 AlH (Bis = CH(SiMe 3 ) 2 ) afforded the adduct t Bu 2 P(H)–O–Al(H)Bis 2 (3). It slowly releases H 2 to form the first oxygen-bridged geminal Al/P frustrated Lewis pair t Bu 2 P–O–AlBis 2 . It is capable of reversibly binding molecular hydrogen to afford 3, shown by NMR and H/D scrambling experiments, and forms a 1,2-adduct with CO 2 . Importantly, the H 2 adduct 3 reduces CO 2 in a stoichiometric reaction leading to the formic acid adduct t Bu 2 P(H)–O–Al(CO 2 H)Bis 2 . The formation of the different species was explored by density functional theory calculations which provide support for the experimental results. All products were characterized by NMR spectroscopy as well as X-ray diffraction experiments and elemental analyses.
Type of Medium:
Online Resource
ISSN:
2041-6520
,
2041-6539
Language:
English
Publisher:
Royal Society of Chemistry (RSC)
Publication Date:
2022
detail.hit.zdb_id:
2559110-1
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