Quarterly Journal of the Chemical Society of London |
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Page 46
... separated . The filtrate was washed with ether and evaporated to 10 ml . under reduced pressure , the potassium salt ( 510 mg . ) of the sulphate ester separating . It crystallised from methanol - ether in orange plates and from water ...
... separated . The filtrate was washed with ether and evaporated to 10 ml . under reduced pressure , the potassium salt ( 510 mg . ) of the sulphate ester separating . It crystallised from methanol - ether in orange plates and from water ...
Page 324
... separated and after crystal- lisation from ethanol - ether gave cis - oxalate , m . p . 134–135 ° . The isomers were also separated by base - exchange chromatography as described above for the piperidino - analogue . cis- and trans - 1 ...
... separated and after crystal- lisation from ethanol - ether gave cis - oxalate , m . p . 134–135 ° . The isomers were also separated by base - exchange chromatography as described above for the piperidino - analogue . cis- and trans - 1 ...
Page 501
... separated from the hot solution . The filtrate was cooled and the crystals which separated were removed and washed with benzene and ether . By gradual concentration of the mother - liquors a further quantity of the product was obtained ...
... separated from the hot solution . The filtrate was cooled and the crystals which separated were removed and washed with benzene and ether . By gradual concentration of the mother - liquors a further quantity of the product was obtained ...
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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Common terms and phrases
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