78237-66-8Relevant articles and documents
Ligand-controlled palladium-catalyzed regiodivergent suzuki-miyaura cross-coupling of allylboronates and aryl halides
Yang, Yang,Buchwald, Stephen L.
supporting information, p. 10642 - 10645 (2013/08/23)
An orthogonal set of catalyst systems has been developed for the Suzuki-Miyaura coupling of 3,3-disubstituted and 3-monosubstituted allylboronates with (hetero)aryl halides. These methods allow for the highly selective preparation of either the α- or the
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.
