Quarterly Journal of the Chemical Society of London, Volume 1 |
From inside the book
Results 1-3 of 60
Page 264
... activation of Third - order rate constants and activation parameters for the alkaline hydrolysis of cyclic phosphonium salts in 50 % aqueous ethanol Compound k ( 1.2 mole - 2 min . - 1 ) E log A 25.2 ° 35.2 ° 2.84 8.00 ( kcal . per mole ) ...
... activation of Third - order rate constants and activation parameters for the alkaline hydrolysis of cyclic phosphonium salts in 50 % aqueous ethanol Compound k ( 1.2 mole - 2 min . - 1 ) E log A 25.2 ° 35.2 ° 2.84 8.00 ( kcal . per mole ) ...
Page 366
... activation parameters shows that t - butyl nitrate reacts faster than t - butyl chloride owing to a more favourable entropy of activation ( the enthalpies of activ- ation are virtually identical ) , and that it reacts at almost the same ...
... activation parameters shows that t - butyl nitrate reacts faster than t - butyl chloride owing to a more favourable entropy of activation ( the enthalpies of activ- ation are virtually identical ) , and that it reacts at almost the same ...
Page 367
... activation ( AS in e.u. ) , and enthalpies of activation ( AH ‡ in kcal./mole ) for reactions of t - butyl nitrate , chloride , and bromide in various solvents Com- pound Solvent ButONO , MeCN ΔΗ : 25.0 ° Ref . 22.0 This work 105k AS ...
... activation ( AS in e.u. ) , and enthalpies of activation ( AH ‡ in kcal./mole ) for reactions of t - butyl nitrate , chloride , and bromide in various solvents Com- pound Solvent ButONO , MeCN ΔΗ : 25.0 ° Ref . 22.0 This work 105k AS ...
Contents
Physical organic chemistry | 1 |
Aromatic reactivity Part XXXVIII Protodesilylation of 12dihydrobenzocyclobutene indan and tetralin | 12 |
Aromatic reactivity Part XL Additional substituent effects in protodetrimethylsilylation | 21 |
Copyright | |
6 other sections not shown
Other editions - View all
Common terms and phrases
absorption acetic acid Acta alcohol alkyl Amer amine angles anion aqueous aromatic ation benzene bond bromide calculated carbon tetrachloride CH₂ Chem chemical shifts Chemistry Chim chloride CO₂H coefficients compounds concentration conformation corresponding coupling constants decomposition derived di-imine dioxan dipole effect electron equation esters ethanol ether experimental Figure first-order fluorine formation formed hydrogen hydrolysis hydroxide hypochlorous acid interaction intermediate iodide irradiation isomer isomerisation isopropyl k₁ ketone kinetic measured mechanism mercuric mesitylene method methyl mixture mole mole-¹ molecular molecule n.m.r. spectra nitration nitrogen observed obtained olefin oxidation oxygen peaks peroxide phenyl Phys plot polymer proton radical rate constants ratio reactants reaction reactivity reduced relative resonance ring salts showed shown similar singlet sodium solution solvent solvolysis spectrum steric steric effect structure substituent sulphoxide t-butyl Table temperature titanium(III triethyl phosphite values