Quarterly Journal of the Chemical Society of London |
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Page 334
... filtered off , washed with water and ethanol , and dried ( 13 g . ) . It was boiled with ethanol [ 520 ml .; sufficient to have dissolved the material had it all been acetylpyrrocoline ( IIIe ) ] and filtered from material ( A ) . The ...
... filtered off , washed with water and ethanol , and dried ( 13 g . ) . It was boiled with ethanol [ 520 ml .; sufficient to have dissolved the material had it all been acetylpyrrocoline ( IIIe ) ] and filtered from material ( A ) . The ...
Page 575
... filtered , and a solution of sodium bromide ( 0-2 g . ) in methanol ( 5 ml . ) added . On standing , purple - blue crystals ( 0.15 g . ) of the tervalent complex were obtained . It decomposed at 304 ° , and was slightly soluble in ...
... filtered , and a solution of sodium bromide ( 0-2 g . ) in methanol ( 5 ml . ) added . On standing , purple - blue crystals ( 0.15 g . ) of the tervalent complex were obtained . It decomposed at 304 ° , and was slightly soluble in ...
Page 1192
... filtered off and crystallised from water ( charcoal ) , and gave 7 - hydroxychroman - 4 - one ( 7 · 5 g . , 46 % ) as colourless needles , m . p . 149 ° , identical with the above material . 7 - Hydroxychroman - 4 - one formed a ...
... filtered off and crystallised from water ( charcoal ) , and gave 7 - hydroxychroman - 4 - one ( 7 · 5 g . , 46 % ) as colourless needles , m . p . 149 ° , identical with the above material . 7 - Hydroxychroman - 4 - one formed a ...
Contents
19 | 4 |
The effect of temperature on azonitriles as initiators in the polymerization of styrene | 12 |
The kinetics and mechanisms of addition to olefinic substances Part V Products | 36 |
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absorption acetic acid acetic anhydride alcohol alkoxides Amer amine ammonia aniline anion aromatic atoms benzene boiling bromine buffer C₁ Calc carbonate catalysed cation Chem chloride chromatography colourless complex compound concentration constant containing crystallised decomp derivative diazotisation dilute dinitrogen trioxide disaccharide dissolved distilled equation ester ethanol ether ethylenediamine evaporated EXPERIMENTAL extracted filtered filtrate formation Found fraction gave give H₂O halides heated hydrochloric acid hydrogen hydrogen chloride hydrolysis hypochlorous iodide ionic isolated isomer K₁ kinetic ligand light petroleum b. p. m. p. and mixed mannose methyl mixed m. p. mixture mole mole-¹ molecular molecule needles niobium nitrate nitrosating nitrosonium nitrous acid obtained oxidation pentafluoride perchloric acid phenylhydrazine potassium precipitate prepared prisms pyridine rate-constants reaction reactivity refluxed requires residue resin salt silver sodium hydroxide solid solvent spectra stoicheiometric sugar sulphuric acid syrup Table values yellow yield