Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 47
... base complexes . A useful criterion of their stability is pro- vided by Pearson's theory of hard and soft acids and bases.17 The silver ion is a soft acid and so will co- ordinate best with a surface site that is a soft base , and ...
... base complexes . A useful criterion of their stability is pro- vided by Pearson's theory of hard and soft acids and bases.17 The silver ion is a soft acid and so will co- ordinate best with a surface site that is a soft base , and ...
Page 134
... base , and in particular a tertiary amine , can replace 8 + ÑH2R3 ( II ) 10ko 1.05 1.70 0.313 0.515 0.823 1.03 1.25 1.66 0.36 0.61 2.15 2.58 3.43 0- 08- oba k1 20.6 R2 R2 [ t - Bu ] 0.153 0.383 R1 R1- 10k obs 0.30 0.63 k1 = 0-18 H - N H ...
... base , and in particular a tertiary amine , can replace 8 + ÑH2R3 ( II ) 10ko 1.05 1.70 0.313 0.515 0.823 1.03 1.25 1.66 0.36 0.61 2.15 2.58 3.43 0- 08- oba k1 20.6 R2 R2 [ t - Bu ] 0.153 0.383 R1 R1- 10k obs 0.30 0.63 k1 = 0-18 H - N H ...
Page 484
... base - solvent solution was prepared ( 2 ml . of base solu- tion and 10 ml . of solvent mixture ) , and aliquots ( 2 ml . ) were added to five test - tubes fitted with Quickfit stoppers . To one of the tubes was added 1 - ml . of ...
... base - solvent solution was prepared ( 2 ml . of base solu- tion and 10 ml . of solvent mixture ) , and aliquots ( 2 ml . ) were added to five test - tubes fitted with Quickfit stoppers . To one of the tubes was added 1 - ml . of ...
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 |
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absorption acetic acid Acta alcohol alkyl Amer amine angles anion aqueous aromatic ation benzene bond bromide calculated carbanion carbon tetrachloride CH₂ Chem chemical shifts Chemistry Chim chloride CO₂H compounds concentration conformation corresponding coupling constants decomposition derived di-imine dioxan dipole effect electron equation esters ethanol ether experimental Figure first-order formation formed H₂O hydrogen hydrolysis hydroxide hypochlorous acid interaction intermediate iodide irradiation isomer isomerisation isopropyl k₁ ketone kinetic measured 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 sodium hydroxide solution solvent solvolysis spectrum steric steric effect structure substituent sulphoxide t-butyl Table temperature titanium(III triethyl phosphite values