Inclusion of Triphenylphosphine in the Supercage of Zeolite Y

A mixture of triphenylphosphine and zeolite Y was thermally treated in an autoclave (423 K, 24 h), resulting in the inclusion of PPh3 in the supercage of zeolite Y, up to 21 wt % (1.5 PPh3 molecules per supercage). PdCl2 was introduced to the PPh3-treated zeolite Y to fabricate a Pd complex in the s...

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Bibliographic Details
Published in:Chemistry letters 2016-04, Vol.45 (4), p.427-429
Main Authors: Okumura, Kazu, Nakanishi, Masakazu, Kikuchi, Yujiro, Kouno, Tomoyuki
Format: Article
Language:English
Subjects:
Autoclaving
Chemical reactions
Inclusions
Palladium
Zeolites
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Summary:A mixture of triphenylphosphine and zeolite Y was thermally treated in an autoclave (423 K, 24 h), resulting in the inclusion of PPh3 in the supercage of zeolite Y, up to 21 wt % (1.5 PPh3 molecules per supercage). PdCl2 was introduced to the PPh3-treated zeolite Y to fabricate a Pd complex in the supercage, and a coupling reaction was performed over the obtained complex. The turnover frequency increased with increased PPh3 loading, suggesting that the [PdCl2(PPh3)2] complex included in the supercage could be the active species.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.160019