Lamm, Jan-Hendrik published the artcilePolyalkynylanthracenes – syntheses, structures and their behaviour towards UV irradiation, HPLC of Formula: 18512-55-5, the publication is Organic & Biomolecular Chemistry (2014), 12(37), 7355-7365, database is CAplus and MEDLINE.
A series of bis- and tris[(trimethylsilyl)ethynyl]anthracenes (1,5-, 1,8-, 9,10- and 1,8,10-) has been synthesized by multistep (cross coupling) reactions and the behavior of the SiMe3-functionalised alkynylanthracene derivatives towards UV irradiation was qual. studied by NMR spectroscopy. In the case of 9,10-bis[(trimethylsilyl)ethynyl]anthracene we observed a photodimerization upon UV irradiation; the third example was reported for a sym. 9,10-difunctionalised anthracene derivative, besides those with small fluorine- and methyl-substituents. The anthracene dimerization is completely thermally reversible and the temperature dependence of the cycloelimination reaction was studied by 1H VT-NMR experiments The (deprotected) 1,5- and 1,8-diethynylanthracenes were converted with (dimethylamino)trimethylstannane to obtain the corresponding SnMe3-functionalised alkynes, potentially useful as highly conjugated building blocks in Stille cross coupling reactions. The new anthracene compounds were completely characterised by multinuclear NMR spectroscopy, (high resolution) mass spectrometry and – in most cases – by X-ray diffraction experiments
Organic & Biomolecular Chemistry published new progress about 18512-55-5. 18512-55-5 belongs to naphthyridine, auxiliary class Alkynyl,Anthracene, name is 9,10-Diethynylanthracene, and the molecular formula is C18H10, HPLC of Formula: 18512-55-5.
Referemce:
https://en.wikipedia.org/wiki/1,8-Naphthyridine,
1,8-Naphthyridine | C8H6N2 – PubChem