Journal of the Chemical Society, Part 4The Society., 1949 |
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Page 2509
... indicated by the evolution of ammonia which occurs during the fusion reaction ; no nitrogen oxide fumes are produced , so extensive formation of basic salts is improbable . As pointed out by Marsh , cerium and " didymium " oxides form ...
... indicated by the evolution of ammonia which occurs during the fusion reaction ; no nitrogen oxide fumes are produced , so extensive formation of basic salts is improbable . As pointed out by Marsh , cerium and " didymium " oxides form ...
Page 2645
... indicated 5.5 % inversion to ( + ) - isomenthone , but the proportion of ( + ) - neomenthol was still very close to 70 % . When the modified procedure ( see following paper ) was used for the reduction , ( - ) - menthone ( 20 g . ) , a ...
... indicated 5.5 % inversion to ( + ) - isomenthone , but the proportion of ( + ) - neomenthol was still very close to 70 % . When the modified procedure ( see following paper ) was used for the reduction , ( - ) - menthone ( 20 g . ) , a ...
Page 2828
... indicate that 34 % of the total reaction involves the formation of quaternary nitrogen , that is , that 68 % of the chloroethylamine is transformed into the piperazinium salt . The total amount of methylaniline reacting cannot be ...
... indicate that 34 % of the total reaction involves the formation of quaternary nitrogen , that is , that 68 % of the chloroethylamine is transformed into the piperazinium salt . The total amount of methylaniline reacting cannot be ...
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Common terms and phrases
absorption acetic acid acetic anhydride acetone added alcohol alkaline aluminium chloride aluminium iodide Amer amine ammonia aqueous sodium atom benzaldehyde benzene boiling bond bromide bromine trifluoride Calc carbon CHâ‚‚ Chem chloroform colourless needles compound concentrated condensation containing cooled crystallised crystals decomp decomposition derivatives diazotised dilute dioxan dissolved distilled dried ester ethanol ethyl alcohol extracted with ether filtered filtrate formation formed Found fraction gave Grignard reagent halide heated under reflux hydrochloric acid hydrogen chloride hydrolysis iodide iodine ions isolated ketone light petroleum b. p. liquid method methyl methyl iodide minutes mixture molecule nitrate nitrogen obtained oxidation phenol picrate potassium precipitate prepared prisms pyridine reaction reagent recrystallised from ethanol reduced pressure removed requires residue room temperature salt separated sodium hydroxide solid soluble solution solvent stirred sulphate sulphone sulphuric acid synthesis Table tube values washed yield