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The title molecule, C24H20N2O4S2, has crystallographic inversion symmetry with a triple-bond distance of 1.206&#8197;(2)&#8197;&#197;. The alkyne is not quite linear, with a C&#8212;C[triple-bond]C angle of 175.78&#8197;(16)&#176;. The planar pyrrole rings are parallel but offset from coplanarity by 0.318&#8197;(1)&#8197;&#197;. 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&#8212;S&#8212;N&#8212;C torsion angle of 3.48&#8197;(11)&#176;. C&#8212;H...O interactions [C...O 3.278&#8197;(2)&#8197;&#197;, 136&#176; about H] between pyrrole H and sulfonyl O atoms lead to the formation of ladder-like chains

Bis(1-tosyl-2-pyrrolyl)ethyne