30654-45-6Relevant academic research and scientific papers
Reduction of Polycyclic Arenes by BH Boranes, III. Partial Hydrogenation: From Anthracene to Coronene
Yalpani, Mohamed,Koester, Roland
, p. 719 - 724 (2007/10/02)
Tetrapropyldiboran(6) (TPDB) katalysiert die Hydrierung polycyclischer Arene unter Wasserstoff-Druck bei bei 200 deg C.In einigen Faellen koennen sehr hohe Ausbeuten an Hydroarenen erzielt werden .Neben unterschiedlichen kleinen Mengen an Perhydroarenen bilden sich nach langer Reaktionszeit aus saemtlichen Arenen auch C-C-Spaltungsprodukte.
Synthesis and Dediazoniation of 2-Butyl- and 2,5-Dibutylbenzenediazonium Ions
Sikkar, Rein,Martinson, Per
, p. 551 - 558 (2007/10/02)
2-Butylbenzenediazonium ion (1a) and 2,5-dibutylbenzenediazonium ion (1b) have been thermally decomposed in aqueous acid solution.In addition to the major product, the corresponding phenol, 5- and 6-membered ring products are formed (in a ratio of ca. 7:1) as well as products of elimination and substitution in the o-butyl group.The formation of the non-phenolic products is explained in terms of competing reactions of the initially formed aryl cations: cyclization by electrophilic atttack on the o-butyl group and 1,5-hydride ion transfer from the o-butyl group with concomitant elimination or reaction with the medium.Decompositions of 1a in the presence of copper(I) oxide, believed to generate aryl radicals, does not yield any measurable quantities of cyclized products, however.
