Journal of the Chemical SocietyThe Society., 1964 |
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Page 3725
... bromide concentrations ( Table 1 ) . TABLE 2 . Effect of added tetraethylammonium bromide at 25 ° . [ 2 - Naphthol ] ... hydrogen bromide is removed ( as HBr2 ̄ ) and so step ( 5 ) is removed . Step ( 4 ) then provides a constant con ...
... bromide concentrations ( Table 1 ) . TABLE 2 . Effect of added tetraethylammonium bromide at 25 ° . [ 2 - Naphthol ] ... hydrogen bromide is removed ( as HBr2 ̄ ) and so step ( 5 ) is removed . Step ( 4 ) then provides a constant con ...
Page 3837
... hydrogen bromide in acetic acid ( ca. 4.5N ; standardised by titration with silver nitrate ) to provide 0.004 mole of hydrogen bromide for each benzyloxycarbonyl group was added to a magnetically - stirred suspension of the ...
... hydrogen bromide in acetic acid ( ca. 4.5N ; standardised by titration with silver nitrate ) to provide 0.004 mole of hydrogen bromide for each benzyloxycarbonyl group was added to a magnetically - stirred suspension of the ...
Page 4665
... hydrogen chloride iodide . In a similar manner , a solution of tetra- n - butylammonium iodide in liquid hydrogen ... bromide was prepared , and the solvent was evaporated at -78 ° , leaving a solid , Buo ̧N + I ( HBr ) , ̄ ; on warming to ...
... hydrogen chloride iodide . In a similar manner , a solution of tetra- n - butylammonium iodide in liquid hydrogen ... bromide was prepared , and the solvent was evaporated at -78 ° , leaving a solid , Buo ̧N + I ( HBr ) , ̄ ; on warming 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