L. Guo et al., SYNTHESIS AND CRYSTAL-STRUCTURE OF 1,2 A-1,7,13,19-TETRAENE-3,5,9,11,15,17,21,23-OCTAYNE/, Journal of the Chemical Society, Chemical Communications, (3), 1994, pp. 243-244
The title compound has been synthesized in a relatively high yield by
the Glaser coupling reaction and characterized by X-ray crystallograph
y and spectroscopy.