Bromo Phenylethyl bromide

The presence of an aryl group at the /7-carbon atom of an alkyl halide influences both its photochemical behaviour and its photoreactivity (for reviews, see Section VII of Reference 11 and Reference 12). The irradiation of 2-phenylethyl bromide and iodide (40) in nucleophilic solvents such as methanol (equation 44)64 yields simpler and different product mixtures than those of 1-bromo- and 1-iodooctane, described in equation 325 in Section II. A. The only ion-derived product is 41, while for the 1-halooctanes the main ionic... 

Bromo-1 -phenylethane (a-Phenylethyl bromide) Only product... 

In cases where the more established kinetic approaches become insensitive, mixed solvent studies on rate of elimination may prove enlightening. Although p and knlko remain unchanged in the elimination of 2-arylethyl bromides with t-butoxide in t-butyl alcohol on the addition of dimethyl sulphoxide (0-2.23 M), a rate increase of 120 times is noted" . Smaller increases in rate are observed for similar variations in the concentration of added dipolar aprotic solvent in elimination from 1-phenylethyl bromide and 9-bromo-9,9 -bifluorenyP , but a steeper rise in rate is observed for 2,2-diphenylethyl tosylate. A cor-... 

The reaction of 1-phenylethyl-, 2-octyl-, and 2-butyl-magnesium chloride (la,b,C) with vinyl bromide (2a), ( )-B-bromo-styrene (2b), 2-bromopropene (2c), and bromobenzene (2d) was carried out in the presence of 0.5 mol% of a nickel catalyst prepared in situ from nickel chloride and a chiral ligand, or a chiral palladium-phosphine complex (eq. 1). 

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