Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 22
... involve hydrogen bonding between the acidic solvent species and the carbonyl group , which would increase the electron ... ( involving a factor of 1-25 ) of p - SiMe3.3 This can reasonably be attributed to the greater influence at the para ...
... involve hydrogen bonding between the acidic solvent species and the carbonyl group , which would increase the electron ... ( involving a factor of 1-25 ) of p - SiMe3.3 This can reasonably be attributed to the greater influence at the para ...
Page 135
... involving as transition state ( IV ) . Indeed evidence from aminolysis R1CO2 · R2 + R3¿NH The more branched the amine the smaller the values of. 2 R32NH K. ( R32NH ) 2 fast ( 4 ) R2 slow R - C - O R1CO2 R2 + ( R32NH ) 2 H k R3 - N R3 R3 ...
... involving as transition state ( IV ) . Indeed evidence from aminolysis R1CO2 · R2 + R3¿NH The more branched the amine the smaller the values of. 2 R32NH K. ( R32NH ) 2 fast ( 4 ) R2 slow R - C - O R1CO2 R2 + ( R32NH ) 2 H k R3 - N R3 R3 ...
Page 508
... involves the production of ions . The other mechanism ( Scheme 4 ) requires the formation of a hydrogen - bonded ... involving the ortho- nitro - group in an eight - membered cyclic transition state is also supported by the failure ...
... involves the production of ions . The other mechanism ( Scheme 4 ) requires the formation of a hydrogen - bonded ... involving the ortho- nitro - group in an eight - membered cyclic transition state is also supported by the failure ...
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 | |
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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 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