SCHEDULED MAINTENANCE
The preparation of [2,3,6,7-2H4]biphenylene from the light [1H] compound by exchange with deuterated trifluoroacetic acid is described. Infra-red spectra in solution and as a single crystal, (100) crystal plane, are reported, and the assignment of the infra-red active vibrational modes is discussed in relation to those of the light and fully deuterated analogues.
B. Lunelli and C. Pecile, J. Chem. Soc., Faraday Trans. 2, 1974, 70, 1186 DOI: 10.1039/F29747001186
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