Journal of the Chemical Society, Part 3Chemical Society., 1949 |
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Results 1-3 of 81
Page 1809
... mixture heated under reflux for a few minutes until the rose colour which appeared at the beginning faded to a straw - yellow . The mixture was cooled and the precipitated solid was crystallised from ethyl acetate . The adduct ( 0.56 g ...
... mixture heated under reflux for a few minutes until the rose colour which appeared at the beginning faded to a straw - yellow . The mixture was cooled and the precipitated solid was crystallised from ethyl acetate . The adduct ( 0.56 g ...
Page 1810
... mixture of styrene ( 4.91 g . ) and p - chlorophenylazotriphenylmethane ( 1 g . ) was heated in a sealed ampoule at 85 ° for 22 hours . The polymer , isolated and purified as in the previous case , weighed 2.2 g . [ Found : C , 9-18 ; H ...
... mixture of styrene ( 4.91 g . ) and p - chlorophenylazotriphenylmethane ( 1 g . ) was heated in a sealed ampoule at 85 ° for 22 hours . The polymer , isolated and purified as in the previous case , weighed 2.2 g . [ Found : C , 9-18 ; H ...
Page 2094
... mixture was evaporated under reduced pressure , the oil mixed with ice - water , and the mixture neutralised with concentrated sodium carbonate solution . The solid was collected , washed with water , and crystallised from aqueous ...
... mixture was evaporated under reduced pressure , the oil mixed with ice - water , and the mixture neutralised with concentrated sodium carbonate solution . The solid was collected , washed with water , and crystallised from aqueous ...
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Common terms and phrases
acetic acid acetic anhydride acetone acetyl added admixture alkaline alkyl aluminium chloride Amer ammonia aqueous solution atoms barium benzene boiling bromine Calc carbinol carbon catalyst Chem Chim chloroform colourless needles compound concentrated condensation cooled crystals cyclohexene D.Sc decomp derivatives dilute dioxan dissolved distilled dithizone dried equiv ester ethanol ethyl acetate ethyl alcohol evaporated EXPERIMENTAL filtered filtrate formed Found fraction gave give heated under reflux hydrocarbon hydrochloric acid hydrogen chloride hydrolysis iodide ions isolated ketone Light absorption light petroleum b. p. method methyl mixed m. p. mixture molecule obtained oxide phenyl plates potassium hydroxide precipitated prepared pressure prisms pyridine Q-enzyme R₁ R₂ reaction reagent reduced removed requires residue room temperature salt semicarbazone separated sodium hydroxide solid soluble solvent specimen structure substance sulphate sulphone sulphuric acid synthesis Table unsaturated washed yield