A molecule that doesn't require any introduction, the title compound 1, can be precipitated as a white powder; solutions in polar solvents are stable. 1 forms transition-metal complexes. The ethynyl groups in the precursors with six Me3SiCC groups on the benzene ring are not exactly linear (X-ray structure analysis).
No takes yet. Share an insight, caveat, or question.
Diercks et al. (1986) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: