Yukawa, Yasuhide; Tsuno, Yuho; Sawada, Masami published the artcile< Resonance effect in Hammett relation. IV. Linear free energy based on the normal substituent constants>, COA of Formula: C10H11BrO2, the main research area is RESONANCE EFFECT HAMMETT RELATION; HAMMETT RELATION RESONANCE EFFECT; SUBSTITUENT CONST FREE ENERGY.
A set of normal substituent constants, σ0, was derived from the rates of alk. hydrolysis of m- and p-substituted Et phenylacetates in 60% Me2CO at 25.0°. The values of the σ0 constants obtained were generally identical with Taft’s values within exptl. uncertainty. On the basis of the derived σ0, substituent effects on the general electrophilic reactions were related excellently by the equation log k/k0 = ρ(σ0 + rΔ σR+), where ΔσR+ corresponds to the exaltation of Brown and Okamoto’s σ+ from σ0 (CA 53, 9120f). Similar treatment could also be applied to the nucleophilic reactions. The utility of this equation for the estimation of resonance contribution and for the consideration of reaction mechanisms is discussed.
Bulletin of the Chemical Society of Japan published new progress about Hydrolysis kinetics. 14062-30-7 belongs to class bromides-buliding-blocks, and the molecular formula is C10H11BrO2, COA of Formula: C10H11BrO2.
Referemce:
Bromide – Wikipedia,
bromide – Wiktionary