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    Title: 2,4-Dithiouracil: the reproducible H-bonded structural motifs in the complexes with 18-membered crown ethers
    Authors: 王文竹;Wang, Wen-jwu;Ganin, Eduard V.;Fonari, Marina S.;Simonov,Yurii A.;Bocelli, Gabriele
    Contributors: 淡江大學化學學系
    Date: 2005-05
    Issue Date: 2011-10-15 23:09:37 (UTC+8)
    Publisher: Cambridge: Royal Society of Chemistry
    Abstract: 2,4-Dithiouracil (DTU) forms in the crystals the H-bonded monohydrates of a 1 : 1 : 1 ratio with 18-crown-6 (18C6) 1, cis,syn,cis-isomer of dicyclohexano-18-crown-6 (DCH6A) 2, and benzo-18-crown-6 (B18C6) 3, while the anhydrous adduct with cis,anti,cis-isomer of dicyclohexano-18-crown-6 (DCH6B) 4 is of a 2 : 1 ratio. In 1–3 the components reproducibly alternate in the chains, while in 4 the chains are built of the alternative centrosymmetric dimers of 2,4-dithiouracil and the molecules of the cis,anti,cis-isomer of dicyclohexano-18-crown-6.
    Relation: Organic and Biomolecular Chemistry 3, pp.3054-3058
    DOI: 10.1039/B505807D
    Appears in Collections:[Graduate Institute & Department of Chemistry] Journal Article

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