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Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :2181-2186
The solvolysis of 4-methoxybenzyl chloride (1) and bromide (3), and 1-(4-methoxyphenyl)ethyl chloride (4) in a variety of solvents were carried out. The observation of linear correlation using the dual-parameter Grunwald–Winstein equation, and the
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :1809
Reaction of the acetoxy chloride (Me3Si)2C(SiMe2OCOMe)(SiMe2Cl), 1, at 35 °C with 3 : 2 v/v MeOH–dioxane containing one equivalent of Et3N gave exclusively the corresponding methoxide (Me3Si)2C(SiMe2OCOMe)(SiMe2OMe), 5, in a pseudo first-order pro
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :101
2,2-Dimethyl-1-(p-methoxyphenyl)propyl cation has been generated by treatment of the corresponding chloride with AgSbF6 in SO2–CH2Cl2(20% CD2Cl2) at –98 °C and its 13C NMR spectrum observed. The reactions of the generated carbocation with methan
Autor:
Christopher Dean, David Whittaker
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :1541
The reactions of menthol with FSO3H–SO2 and neomenthyl chloride with SbF5–SO2ClF follow different routes. The first yields a substituted cyclopentyl cation and the second a substituted cyclohexyl cation. Experiments on substituted cyclohexyl chlo
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :1648
The kinetics of the methanolysis (solvolysis) of a series of p-benzyloxybenzoyl chlorides have been compared with values for benzoyl, p-methoxybenzoyl. and p-phenoxybenzoyl chloride. Small rate differences between benzoyl chloride and the other compo
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :147
Hammett σm and σp values have been determined for the phenyl-ONN-azoxy and phenyl-NNO-azoxy groups by measuring the pKa values of the phenylazoxybenzoic acids in 50% ethanol. The σp+ value for phenyl-ONN-azoxy has been evaluated both from the rate
Autor:
Stephen Thackeray, Brian Brocklehurst, James McKenna, Jean M. McKenna, Andrew R. Walley, David C. Appleton
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :87
The photolysis of benzyl chloride, bromide, iodide, and acetate, and 3,5-dimethoxybenzyl bromide and acetate in methanol and t-butyl alcohol have been examined, and also 3,5-dimethoxybenzyl chloride in ethanol. Solvolysis products and products derive
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :1753
In the reaction of the bromide (Me3Si)2C(SiMe2OMe)(SiPh2Br)(1a) with EtOH the OMe group undergoes a 1,3 Si to Si migration to give exclusively the rearranged product (Me3Si)2-C(SiMe2OEt)(SiPh2OMe)(2). (The same product is obtained if AgCIO4 is presen
Halogen mobility in S N2 reactions of carbonyl compounds. Comparisons with aromatic halogen mobility
Autor:
Oi-Ling Ying, Joseph Miller
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :323
Kinetic studies, using conductimetric techniques, have been carried out for isopropanolysis (solvolysis) reactions of some alkanoyl, benzoyl, and perfluoroalkanoyl halides, viz. butanoyl and benzoyl fluorides, chlorides, and bromides and perfluoropen
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :1397
U.v. irradiation (medium-pressure Hg lamp) induces reaction of TsiSiPh2l (1a)[Tsi =(Me3Si)3C] with methanol to give both the unrearranged and rearranged methoxides TsiSiPh2OMe and (Me3Si)2C(SiPh2Me)(SiMe2OMe); in the presence of LiNO3some (Me3Si)2C(S