Journal of the Chemical SocietyThe Society., 1964 |
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Page 3729
... band system of the heavier oxygen molecules is shifted to lower frequencies . The numbering of the vibrational band - heads in Fig . 1 ( a ) is taken from the literature.4,5 Assignment of the corresponding vibrational band - heads for ...
... band system of the heavier oxygen molecules is shifted to lower frequencies . The numbering of the vibrational band - heads in Fig . 1 ( a ) is taken from the literature.4,5 Assignment of the corresponding vibrational band - heads for ...
Page 3732
... bands is evident from Fig . 2 ( a ) and ( b ) for the ( 6,0 ) vibrational system . Table 3 shows that both the absorption coefficients for several band - heads and the integrated absorption coefficient for the ( 6,0 ) band system of ...
... bands is evident from Fig . 2 ( a ) and ( b ) for the ( 6,0 ) vibrational system . Table 3 shows that both the absorption coefficients for several band - heads and the integrated absorption coefficient for the ( 6,0 ) band system of ...
Page 4299
... band which was observed in the stannic halide experiments and it is the band used when these bases are employed as Hammett indicators . On protonation , or metal halide adduct formation , this band is removed and its fall may be used to ...
... band which was observed in the stannic halide experiments and it is the band used when these bases are employed as Hammett indicators . On protonation , or metal halide adduct formation , this band is removed and its fall may be used to ...
Contents
4028 | 3507 |
Nucleophilic reactivity Part V The reaction between amines and ethyl meth | 3513 |
Molecular polarisability Dipole moments molar Kerr constants and apparent | 3523 |
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absorption acetic acid acetic anhydride acetone acetoxylation acetyl added alcohol alkaline alumina aluminium Amer amine atoms band benzene benzyl bond bromide Calc carbon carbonyl CH₂ chabazite Chem chloride chloroform chromatography cm.¹ compounds concentration crystals decomp derivatives diethyl diluted dimethylformamide diol dissolved distilled dried ester ethanol ethyl acetate evaporated EXPERIMENTAL extracted with ether filtrate formation Found fraction gave give heated hydrochloric acid hydrochloride hydrogen hydrolysis hydroxyl infrared iodide isomers K₁ ketone kinetic light petroleum lithium lithium aluminium hydride m. p. and mixed mixed m. p. mixture mole molecules needles nitrate nitric acid nitrogen o-xylene obtained optical oxide oxygen petroleum b. p. phenol picrate potassium precipitated prepared proton pyridine rate constants reaction recrystallised refluxed requires residue room temperature salt sodium hydroxide solvent spectra spectrum stirred structure substitution sulphuric acid Table values washed yield