Methyl 1-(4-chlorobenzyl)-2-(4-methylpiperazin-1-yl)-1H-benzimidazole-5 -carboxylate hemihydrate

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| 2000年 / Munksgaard Int Publ. Ltd., Copenhagen K, Denmark卷 / 56期
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10.1107/S0108768100000033
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The title compound, C21H23ClN4O2·0.5H2O, contains two independent molecules in the asymmetric unit. In each molecule the piperazine ring adopts a chair conformation; the deviations of the piperazine N atoms from the best plane through the remaining four C atoms are -0.678 (3) and 0.662 (3) angstroms in molecule A, and 0.687 (3) and -0.700 (3) angstrom in molecule B. The molecules are linked by two hydrogen bonds of the O-H···N type involving the O atom of the water molecule of crystallization.
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