Heasley, Gene E.; Bundy, J. McCall; Heasley, Victor L.; Arnold, Stanley; Gipe, Alice; McKee, David; Orr, Rob; Rodgers, Stephen L.; Shellhamer, Dale F. published the artcile< Electrophilic additions to dienes and the 1-phenylpropenes with pyridine-halogen complexes and tribromides. Effects on stereochemistry and product ratios>, Related Products of 112-63-0, the main research area is halogenation diene phenylpropene stereochem mechanism.
Dibromide product ratios from bromination with mol. Br, pyridine-Br complexes, and tribromide salts for butadiene, isoprene (I), the piperylenes (II), the 2,4-hexadienes (III), cyclopentadiene (IV), and the 1-phenylpropenes (V), and BrCl addition with analogous reagents to I, II and V are reported. The pyridine-halogen complexes and tribromide give much less 1,4-dihalide product from the dienes than does the mol. halogen; the proportion of 1,4 addition to dienes is suppressed further by an increase in amine concentration Dienes III and alkenes V which give nonstereospecific 1,2 addition with Br and BrCl approach 100% anti addition when a pyridine-halogen complex or tribromide is used as the brominating agent. The stereochem. of 1,4-bromine addition with dienes III and IV is primarily anti in the presence of amine, in contrast to being chiefly syn with mol. halogen in the absence of amine. Possible mechanistic differences between the halogenating agents are suggested.
Journal of Organic Chemistry published new progress about Bromination. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Related Products of 112-63-0.
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