Quarterly Journal of the Chemical Society of London |
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Page 135
... observed in other aromatic substitutions in which the meta - position is activated by alkyl groups , as , for example , in the iodination by I + of p - alkylphenols and of p - alkylanilines.12 The differences between the meta ...
... observed in other aromatic substitutions in which the meta - position is activated by alkyl groups , as , for example , in the iodination by I + of p - alkylphenols and of p - alkylanilines.12 The differences between the meta ...
Page 304
... observed with the 1 cm . cell . Fig . 3 shows some typical spectra , e.g. , of the ethanol- methylene - blue system , with water as control . Under these conditions , the absorption maxima were at 615 and at 670 mp , in the unirradiated ...
... observed with the 1 cm . cell . Fig . 3 shows some typical spectra , e.g. , of the ethanol- methylene - blue system , with water as control . Under these conditions , the absorption maxima were at 615 and at 670 mp , in the unirradiated ...
Page 341
... observed rate constant by the relation ak ( true ) = k ( obs . ) , where a is the degree of dissociation . Therefore the slow rate of exchange observed in chloroform may be attributed to a low concentration of free chloride ions . In ...
... observed rate constant by the relation ak ( true ) = k ( obs . ) , where a is the degree of dissociation . Therefore the slow rate of exchange observed in chloroform may be attributed to a low concentration of free chloride ions . In ...
Contents
Dynamic contact angles Part I Changes in airsolutionsolid contact angles with | 22 |
Perfluoroalkyl derivatives of nitrogen Part V The mechanism of the Hofmann | 30 |
Studies on biological methylation Part XVI Natural sulphonium compounds | 39 |
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acetic acid acetic anhydride acetone acetyl added alcohol alkali alkyl Amer ation atom band benzene boiling bond boron trichloride bromide bromine Calc carbon Chem chloroform chromatography colourless complex compound concentration condensation cooled crystallised from ethanol curve decomp derivative dilute dioxan dissolved distilled dried elution equilibrium ester ethanol evaporated EXPERIMENTAL extracted with ether filtered filtrate formed Found fraction gave give H₂O heated hydrochloric acid hydrogen chloride hydrolysis infrared iodide iodine irradiation isolated ketone Light absorption lithium aluminium hydride m. p. and mixed method methyl mixed m. p. mixture mole molecule needles nitrate obtained oxidation oxidised phenyl phosphate picrate potassium hydroxide precipitate prepared pyridine reaction reagent reflux removed requires residue room temperature salt sodium hydroxide solid soluble solvent spectra spectrum structure sulphide sulphuric acid Table tetrahydrofuran trichloride ultraviolet vacuo values washed yellow yield