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Issue 11, 1984
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Effect of chlorine substitution on the structure and activity of 4-phenylthiosemicarbazide: crystal and molecular structure of 4-(4-chlorophenyl)thiosemicarbazide

Abstract

The crystal structure of 4-(4-chlorophenyl)thiosemicarbazide has been determined by direct methods. This p-chloro-substituted 4-phenylthiosemicarbazide, with greater antibacterial activity than its unsubstituted precursor, crystallises in the space group P21/c with a= 14.594(4), b= 10.495(5), c= 12.384(4)Å, β= 104.73(2)°, Z= 8, Dc= 1.469 g cm–3, and µ(Mo-Kα)= 5.83 cm–1. The structure has been refined using 1 967 reflections with I[gt-or-equal] 3σ(I). The antibacterial activity of both the present compound and its precursor has been attributed to electron delocalisatoin in the thiosemicarbazide moiety enhancing both its donor and reductive capacities.

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Article type: Paper
DOI: 10.1039/P29840001729
J. Chem. Soc., Perkin Trans. 2, 1984, 1729-1733

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    Effect of chlorine substitution on the structure and activity of 4-phenylthiosemicarbazide: crystal and molecular structure of 4-(4-chlorophenyl)thiosemicarbazide

    A. K. Nandi, S. Chaudhuri, S. K. Mazumdar and S. Ghosh, J. Chem. Soc., Perkin Trans. 2, 1984, 1729
    DOI: 10.1039/P29840001729

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