Please use this identifier to cite or link to this item: https://doi.org/10.1021/om050269x
Title: Organooxotin cages, {[(n-BuSn)3(μ3-O)(OC6H 4-4-X)3]2[HPO3]4}, X = H, Cl, Br, and I, in double O-capped structures: Halogen-bonding-mediated supramolecular formation
Authors: Chandrasekhar, V.
Baskar, V.
Gopal, K.
Vittal, J.J. 
Issue Date: 10-Oct-2005
Citation: Chandrasekhar, V., Baskar, V., Gopal, K., Vittal, J.J. (2005-10-10). Organooxotin cages, {[(n-BuSn)3(μ3-O)(OC6H 4-4-X)3]2[HPO3]4}, X = H, Cl, Br, and I, in double O-capped structures: Halogen-bonding-mediated supramolecular formation. Organometallics 24 (21) : 4926-4932. ScholarBank@NUS Repository. https://doi.org/10.1021/om050269x
Abstract: The reaction of n-BuSn(O)(OH) with H3PO3 and HOC 6H4-4-X (X = H, Cl, Br, and I) afforded the hexanuclear organooxotin cages {[(n-BuSn)3(μ3-O)(OC 6H4-4-X)3]2[HPO3] 4}, where X = H (1), Cl (2), Br (3), and I (4), in moderate yields. These cages possess double O-capped structures. The oxotin cages 1-4 contain two tritin motifs that are joined by four tripodal [HPO3]2- ligands. The three tin atoms in each tritin subunit are held together by a μ3-capping oxygen atom. In addition three phenolate oxygen atoms act as μ2-bridging ligands between two tin atoms. The molecular structures of 1-4 are intimately related to other organooxotin cages such as the O-capped cluster, the drum, and the football cage. The crystal structures of 2-4 reveal intermolecular halogen-bonding-mediated [X- - -O (X = Cl, Br), I- - -I, and I- - π] supramolecular assemblies. © 2005 American Chemical Society.
Source Title: Organometallics
URI: http://scholarbank.nus.edu.sg/handle/10635/94452
ISSN: 02767333
DOI: 10.1021/om050269x
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