Issue 16, 2005
From the journal:

Organic & Biomolecular Chemistry

2,4-Dithiouracil: the reproducible H-bonded structural motifs in the complexes with 18-membered crown ethers

Wen-Jwu Wang,a   Eduard V. Ganin,†a   Marina S. Fonari,*b   Yurii A. Simonovb  and  Gabriele Bocellic  

* Corresponding authors

a Department of Chemistry Tamkang University, 151 Ying-Chuan Road Tamsui, Taipei, Taiwan(ROC)
Fax: 886-2-2620-9924

b Institute of Applied Physics Academy of Sciences of Moldova Academy, str. 5, Chisinau, Moldova
E-mail: fonari.xray@phys.asm.md
Fax: (373 22) 72 58 87
Tel: (373 22) 73 81 54

c IMEM-CNR, Parma, Italy

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.

Graphical abstract: 2,4-Dithiouracil: the reproducible H-bonded structural motifs in the complexes with 18-membered crown ethers

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Article information

DOI
https://doi.org/10.1039/B505807D
Article type
Paper
Submitted
26 Apr 2005
Accepted
17 Jun 2005
First published
13 Jul 2005

Org. Biomol. Chem., 2005,3, 3054-3058

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2,4-Dithiouracil: the reproducible H-bonded structural motifs in the complexes with 18-membered crown ethers

W. Wang, E. V. Ganin, M. S. Fonari, Y. A. Simonov and G. Bocelli, Org. Biomol. Chem., 2005, 3, 3054 DOI: 10.1039/B505807D

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