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Face and edge directed self-assembly of Pd-12 tetrahedral nano-cages and their self-sorting

Howlader, Prodip and Mukherjee, Partha Sarathi (2016) Face and edge directed self-assembly of Pd-12 tetrahedral nano-cages and their self-sorting. In: CHEMICAL SCIENCE, 7 (9). pp. 5893-5899.

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Official URL: http://dx.doi.org/10.1039/c6sc02012g


Reactions of a cis-blocked Pd(II) 90 degrees acceptor cis-(tmeda) Pd(NO3)(2)] (M) with 1,4-di(1H-tetrazol-5-yl) benzene (H2L1) and 1,3,5-tri(1H-tetrazol-5-yl) benzene] (H3L2) in 1 : 1 and 3 : 2 molar ratios respectively, yielded soft metallogels G1 and G2 tmeda = N, N, N', N'-tetramethylethane-1,2-diamine]. Post-metalation of the gels G1 and G2 with M yielded highly water-soluble edge and face directed self-assembled Pd-12 tetrahedral nano-cages T1 and T2, respectively. Such facile conversion of Pd(II) gels to discrete tetrahedral metallocages is unprecedented. Moreover, distinct self-sorting of these two tetrahedral cages of similar sizes was observed in the self-assembly of M with a mixture of H2L1 and H3L2 in aqueous medium. The edge directed tetrahedral cage (T1) was successfully used to perform Michael reactions of a series of water insoluble nitro-olefins assisted by encapsulation into the cage in aqueous medium.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Depositing User: Id for Latest eprints
Date Deposited: 22 Oct 2016 09:34
Last Modified: 22 Oct 2016 09:34
URI: http://eprints.iisc.ac.in/id/eprint/55048

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