Mol-ecules of the title compound, C(24)H(28)O(12), are linked by inter-molecular C-H⋯O hydrogen bonds. Bond lengths and angles are normal.
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http://dx.doi.org/10.1107/S1600536808004698 | DOI Listing |
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October 2024
Nelson Mandela University, Summerstrand Campus, Department of Chemistry, University Way, Summerstrand, PO Box 77000, Port Elizabeth, 6031, South Africa.
The title compound, CHO, is an α-hy-droxy-carb-oxy-lic acid whose ortho-rhom-bic polymorph has been reported earlier [Qiu (2007 ▸). , , 1819-1824]. The asymmetric unit contains two complete mol-ecules.
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October 2024
Département de Chimie, Université de Montréal, Complexe des sciences, 1375, Avenue Thérèse-Lavoie-Roux, Montréal, Québec H2V 0B3, Canada.
The title compound, CHBrNO, crystallizes with two similar mol-ecules in the asymmetric unit. The extended structure features dimers linked by pairs of N-H⋯O and C-H⋯O hydrogen bonds. The HNCNO moiety of the title compound shows delocalization over the N-C-N part, as evidenced by the similar C-N bond distances.
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October 2024
Department of Chemistry, National College, Tiruchirappalli, Tamil Nadu, India.
In the title compound, CHNO, the piperazine-2,3-dione ring adopts a half-chair conformation. In the crystal, the mol-ecules are linked by weak C-H⋯O hydrogen bonds, forming (010) sheets.
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October 2024
Department of Chemistry, National College, Tiruchirappalli, Tamil Nadu, India.
In the crystal of the title compound, CHN, the mol-ecules are linked by N-H⋯N hydrogen bonds, generating a (4) chain extending along the -axis direction. One of the ethyl groups is disordered over two sets of sites with a refined occupancy ratio of 0.582 (15):0.
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October 2024
The mol-ecule of the title compound, [Ni(CHO)(CHN)(HO)]·CHOH, has triclinic () symmetry. This compound is of inter-est for its anti-microbial properties. The asymmetric unit comprises two independent complex mol-ecules, which are linked by N-H⋯O and O-H⋯O hydrogen bonds along [111].
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