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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 18, Number 9
BKCSDE 18(9)
September 20, 1997

Title	Structure-Reactivity Relationship of Substituted Phenylethyl Arenesulfonates with Substituted Pyridines under High Pressure
Author	Heon-Young Park, Ki-Joo Son, Duck-Young Cheong, Soo-Dong Yoh*
Keywords
Abstract	Nucleophilic substitution reactions of (Z)-phenylethyl (X)-benzenesulfonates with (Y)-pyridines were investigated in acetonitrile at 60 ℃ under respective pressures. The magnitudes of the Hammett reaction constants, ρX, ρY and ρ Z indicate that a stronger nucleophile leads to a greater degree of bond formation of C-N and a better leaving group is accompanied by a less degree of bond breaking. The magnitude of correlation interaction term, ρij can be used to determine the structure of the transition state (TS) for the SN reaction. As the pressure is increased, the Hammett reaction constants, ρX and
Page	1010 - 1013
Full Text	PDF

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