Journal of the Chemical Society, Part 4The Society., 1949 |
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Page 2554
... gave dihydrotirucallyl acetate , and thence dihydrotirucallol , both of which gave a yellow colour in tetranitromethane . Tirucallyl benzoate , oxidised with osmic acid and then hydrolysed , gave dihydroxydihydrotirucallol , which with ...
... gave dihydrotirucallyl acetate , and thence dihydrotirucallol , both of which gave a yellow colour in tetranitromethane . Tirucallyl benzoate , oxidised with osmic acid and then hydrolysed , gave dihydroxydihydrotirucallol , which with ...
Page 2556
... gave dihydroxydihydrotirucallol in laminæ , m . p . 172-173 ° , [ a ] 20—26 · 4 ° ( c , 0 · 2 in benzene ) ( Found ... gave a white solid which showed aldehydic properties but could not be separated pure or oxidised to an acid ...
... gave dihydroxydihydrotirucallol in laminæ , m . p . 172-173 ° , [ a ] 20—26 · 4 ° ( c , 0 · 2 in benzene ) ( Found ... gave a white solid which showed aldehydic properties but could not be separated pure or oxidised to an acid ...
Page 2854
... gave B - methyl - lævulic acid as an oil which gave a purple colour with dinitrobenzoic acid and reacted with sodium hydrogen sulphite ( as shown by iodometric titration ) . The oil , dissolved in excess of sodium hydroxide , was ...
... gave B - methyl - lævulic acid as an oil which gave a purple colour with dinitrobenzoic acid and reacted with sodium hydrogen sulphite ( as shown by iodometric titration ) . The oil , dissolved in excess of sodium hydroxide , was ...
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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 CH₂ Chem chloroform colourless needles compound concentrated condensation containing cooled crystallised crystals D.Sc 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 sulphate sulphone sulphuric acid synthesis Table tube values washed yield