Title

Bis(1-tosyl-2-pyrrolyl)ethyne

Document Type

Article

Publication Date

1-14-2008

Abstract

The title mol-ecule, C24H20N2O4S2, has crystallographic inversion symmetry with a triple-bond distance of 1.206 (2) Å. The alkyne is not quite linear, with a C - C C angle of 175.78 (16)°. The planar pyrrole rings are parallel but offset from coplanarity by 0.318 (1) Å. The conformation of the sulfonyl group with respect to the pyrrole ring is such that an O atom is nearly eclipsed with this ring, having an O - S - N - C torsion angle of 3.48 (11)°. C - H⋯O inter-actions [C⋯O 3.278 (2) Å, 136° about H] between pyrrole H and sulfonyl O atoms lead to the formation of ladder-like chains. © International Union of Crystallography 2008.

Publication Source (Journal or Book title)

Acta Crystallographica Section E: Structure Reports Online

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