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Ligand and Metal Effects on the Formation of Main‐Group Polyhedral Clusters
Author(s) -
Boss Sally R.,
Coles Martyn P.,
Haigh Robert,
Hitchcock Peter B.,
Snaith Ronald,
Wheatley Andrew E. H.
Publication year - 2003
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200351921
Subject(s) - chemistry , hydride , metal , pyrimidine , ligand (biochemistry) , group (periodic table) , crystallography , medicinal chemistry , stereochemistry , organic chemistry , receptor , biochemistry
The reaction of AlMe 3 or ZnMe 2 with hppH (hppH=1,3,4,6,7,8‐hexahydro‐2 H ‐pyrimido[1,2‐ a ]pyrimidine) and then with t BuLi affords [Li 8 (H) m (hpp) 6 ] n + [X] − n , X=[Zn t Bu 3 ], m = n =1 (the cation core of which is shown); X=[Li(Me 2 Al t Bu 2 ) 2 ], m =0, n =2, as the major product in each case. These data reveal that non‐aromatic heterocycle hppH and ZnMe 2 can be employed to generate novel hydride‐encapsulation main‐group‐metal clusters, and that related polylithium architectures can also incorporate a central void.
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