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Hellmann, S.; Beckhaus, H-D.; Ruchardt, C., Thermolabile hydrocarbons. XIX. Syntheses, spectra, structures, and strain of highly branched pentanes, Chem. Ber., 1983, 116, 2219-22. [all data]

Beckhaus, H.D.; Dogan, B.; Schaetzer, J.; Hellmann, S.; Ruchardt, C., Thermische stabilitat und bildungsenthalpie von 1,2,2,2- und 1,1,1,2- tetraphenylethan. - Die stabilisierungsenergien von benzhydryl- und triphenylmethyl-radikalen, Chem. Ber., 1990, 123, 137-144. [all data]

Beckhaus, H.D.; Dogan, B.; Schaetzer, J.; Hellmann, S.; Ruechardt, C., Thermolabile hydrocarbons. 30. Thermal stability and heat of formation of 1,1,2,2- and 1,1,1,2-tetraphenylethane. Energy of stabilization of benzhydryl and triphenylmethyl radicals, Chem. Ber., 1990, 123, 137. [all data]

Anderson, J.E.; Bettels, B.R.; Hoffmann, H.M.R.; Pauluth, D.; Hellmann, S.; Beckhaus, H.D.; Ruchardt, C., Two-fold rotational barriers in 1,1,2,2-tetrasubstituted ethanes. A dynamic NMR and molecular mechanics study of some highly-branched saturated hydrocarbons, Tetrahedron, 1988, 44, 3701. [all data]