Journal of the Chemical Society, Part 4The Society., 1949 |
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Results 1-3 of 74
Page 2449
... hydrogen bonds involved in the association of hydroxylic compounds . With regard to the low - frequency shifts of the S - O frequencies observed in chloroform solution , independent spectroscopic support for the hydrogen - bonding ...
... hydrogen bonds involved in the association of hydroxylic compounds . With regard to the low - frequency shifts of the S - O frequencies observed in chloroform solution , independent spectroscopic support for the hydrogen - bonding ...
Page 2980
... hydrogen quantitatively to the difluorides ( Jellinek and Rudat , Z. anorg . Chem . , 1928 , 175 , 281 ) , but the trifluorides of molybdenum and vanadium yielded only the metal . Attempts to prepare molybdenum difluoride by the ...
... hydrogen quantitatively to the difluorides ( Jellinek and Rudat , Z. anorg . Chem . , 1928 , 175 , 281 ) , but the trifluorides of molybdenum and vanadium yielded only the metal . Attempts to prepare molybdenum difluoride by the ...
Page 2995
... hydrogen peroxide was initially present , good yields were obtained ; cyclohexene was more reactive , and experiments were carried out with this olefin at 50 ° , although the optimum temperature is undoubtedly higher ( Expts . 58 , 66 ) ...
... hydrogen peroxide was initially present , good yields were obtained ; cyclohexene was more reactive , and experiments were carried out with this olefin at 50 ° , although the optimum temperature is undoubtedly higher ( Expts . 58 , 66 ) ...
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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 CH₂ 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