Journal of the Chemical SocietyThe Society., 1955 |
From inside the book
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Page 119
... bond substitution energy I for H in toluene : = D ( Ph.CH , -H ) - D ( Ph · CH , -I ) = 34.3 ± 1.3 kcal./mole · · ( 8 ) In view of the uncertainties of bond - dissociation energies , stating the result in this form seems preferable at ...
... bond substitution energy I for H in toluene : = D ( Ph.CH , -H ) - D ( Ph · CH , -I ) = 34.3 ± 1.3 kcal./mole · · ( 8 ) In view of the uncertainties of bond - dissociation energies , stating the result in this form seems preferable at ...
Page 120
... bond length ( Å ) 2-13 ( spec . ) , 2.28 ( E.D. ) 2.02 ( E.D. ) Carson , Carson , and Wilms- Roberts and Skinner ... Bond lengths are discussed below . Bond - dissociation Energies . - The marked sequence D ( Ph - I ) > D ( CH , -I ) > D ...
... bond length ( Å ) 2-13 ( spec . ) , 2.28 ( E.D. ) 2.02 ( E.D. ) Carson , Carson , and Wilms- Roberts and Skinner ... Bond lengths are discussed below . Bond - dissociation Energies . - The marked sequence D ( Ph - I ) > D ( CH , -I ) > D ...
Page 148
... bond a ) will accelerate racemisation by tending to force bonds b and c into the plane of ring A : this is the ... bond a only if bond b were similarly restricted , a second centre of asymmetry would be introduced ) . A p - halogen ...
... bond a ) will accelerate racemisation by tending to force bonds b and c into the plane of ring A : this is the ... bond a only if bond b were similarly restricted , a second centre of asymmetry would be introduced ) . A p - halogen ...
Contents
The Chemistry of Nitrosyl Complexes Part I Evidence for the Selfionisation | 56 |
The Senecio Alkaloids Part XII The Synthesis of erythro3Hydroxy2methoxy | 65 |
Experiments on the Synthesis of Tetrahydroworenine | 79 |
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acetic acid acetic anhydride acetone alcohol alkaline Amer anhydride aqueous sodium atom band benzene boiling bromide Calc carbon carbonyl Chem chloroform colour colourless colupulone complex compound concentration cooled crystallised crystals curve cyclohexanone D.Sc decomp derivatives dibromide dilute dioxide dissolved distilled dried ester ethanol ether ethyl acetate EtOH evaporated EXPERIMENTAL extracted filtered formation formed Found fraction gave give H₂O heated hydrochloric acid hydrogen chloride hydrolysis infra-red iodide iodine kcal./mole ketone light petroleum b. p. m. p. and mixed method methyl mixed m. p. mixture mole molecules needles nitrate nitrogen obtained oxidation oxidised oxygen phenol potassium potassium hydroxide precipitate prepared prisms pyridine reaction reagent refluxed Reprint Order requires residue room temperature salt scandium sodium hydroxide solid soluble solution solvent solvolysis spectra spectrum structure sulphate sulphuric acid Table tube values yield