Butane-1,4-diyl bis(pyridine-3-carboxylate)

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Butane-1,4-diyl bis­(pyridine-3-carboxyl­ate)

Mol-ecules of the title compound (alternative name: butane-1,4-diyl dinicotinate), C(16)H(16)N(2)O(4), lie on a inversion centre, located at the mid-point of the central C-C bond of the aliphatic chain, giving one half-mol-ecule per asymmetric unit. The butane chain adopts an all-trans conformation. The dihedral angle between the mean plane of the butane-3-carboxyl-ate group [for the non-H atom...

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Butane-1,4-diyl bis­(benzene­carbodi­thio­ate)

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(Butane-1,3-diyne-1,4-diyl)bis­(tri­isopropyl­silane)

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S,S′-Butane-1,4-diyl bis­(benzene­carbo­thio­ate)

The title compound, C18H18O2S2, which lies on an inversion center, adopts a gauche (+)-trans-trans-trans-gauche (-) (g (+) tttg (-)) conformation in the S-CH2-CH2-CH2-CH2-S bond sequence. In the crystal, mol-ecules are packed in a herringbone arrangement through inter-molecular C-H⋯π inter-actions.

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Butane-1,4-diyl bis­(pyridine-4-carboxyl­ate)

The mol-ecule of the title compound, C(16)H(16)N(2)O(4), lies about an inversion centre; the butane chain adopts an extended zigzag conformation. The dihedral angle between the pyridine ring and the adjacent COO group is 3.52 (s14)°.

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ژورنال

عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online

سال: 2012

ISSN: 1600-5368

DOI: 10.1107/s160053681202260x