Here's the real cube, with nothing attached. You're welcome.
Don't conduct any chemical reactions without proper and professional safety analysis and risk management. Measures taken can be invisible, not filmed, not properly visible on camera or misjudged by the viewer due to setup or video construction. Always conduct own appropriate measures regardless of video setup.
Cubane methyl ester synth starting with UV step: https://doi.org/10.1039/D3OB00231D
Methyl ester to diacid: https://doi.org/10.1016/j.tca.2009.10.015
2-Mercaptopyridine N-oxide sodium salt purification: https://doi.org/10.1002/047084289X.rh067.pub2
Diacid to Cubane: https://doi.org/10.1039/C8OB02959H
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0:00 - 0:25 Intro
0:26 - 2:06 Photoreaction to decahedron
2:07 - 3:45 Cubane dicarboxylic acid
3:46 - 5:27 Dimethyl 1,4-cubanedicarboxylate
5:28 - 7:09 Back to the diacid
7:10 - 8:25 Acid chloride
8:26 - 15:40 Decarboxylation to Cubane